If you wish to contribute or participate in the discussions about articles you are invited to join SKYbrary as a registered user. 0000001669 00000 n 0000007830 00000 n way gcsescience.com, Home Disable or turn off any auxiliary sources of ignition such as a camper or trailer heater, cooking units, or pilot lights. The conductivity of the fuel should be examined and considered. Our skilled professionals are on standby waiting to address your next electrical concern. Do not smoke, light matches or lighters while refueling at the pump or when using gasoline anywhere else. "Excellent work and workmanship. 0000002998 00000 n Once proper operation is assured, the strap should be attached to the work surface or electronic rack prior to gaining access to the component in question. To understand static charges we have to first have a grasp of the atom. Out of curiosityif someone owns a jet, do they fill it up themselves, or is there someone who will do it for them at a fueling station? As we learned before, the drier the air or your skin, the higher the potential of being zapped. Procedures for Emergency Passenger Evacuation should take account of the availability or otherwise of airbridge access and in-position ground steps in the selection of exits to be used. because there is friction between the fuel and Metal is a conductor (1) Electrons / ( negative ) Gasoline can be harmful or fatal if swallowed. Encased equipment should always have protective covers placed over the electric connectors and care should be exercised to avoid direct contact with electrical pins. Electrical bonding must be used to eliminate this hazard. Please do not attempt this at home. It is dangerous when you touch something with a large electric charge on it. Figure 1. Pressure refuelling is normal for multi crew transport aircraft and business jets but gravity refuelling of these types may be available as a backup system. The material that looses the electron becomes a positive ion while the material gaining the electron will become negative. Electricity is an important part of our lives, but we always have to treat it with respect and care. This may happen safely by connecting them to the earth with a conductor. An earthing strap connects the pipe to the ground (the Earth). Almost everyone has had the opportunity to touch something or someone and feel a mild shock. The charge will flow through your body causing an electric shock. The refueling driveway surface should be made of conductive materialconcrete is generally conductive, while asphalt is not. Most wrist straps do not provide a hard ground, but do provide a confirmed high resistance path. Put your vehicle in park and/or set the emergency brake. Hazardous products in Class I locations consist of flammable gases, vapors, or liquids. 0000023255 00000 n In a scientific perspective, static happens when theres an imbalance of charges between two objects. Crew stations and duties should be clearly defined as should appropriate passenger communications. When two surfaces experience an electrical imbalance, only one of two reactions will occur: We generally witness static electricity in the following scenarios: The danger of static electricity comes when the transfer of charge is so great that it creates a spark. The spark can be avoided if the pipe nozzle is made to conduct by connecting an earthing strap to it and so any charge can be safely conducted away. Besides environmental control, other precautionary measures can be used How do you get rid of static electricity in your body? very quickly because it has a very Friction from the structure and the air causes an accumulation of static charge in its extremities, this is dissipated through the static dischargers. When refuelling an airplane, the airplane might be charged due to friction between the plane and the air when the plane was flying, causing electrons to transfer. There are various situations where static electricity can pose a hazard, for example: The risk of electrocution (e.g from lightning), The risk of a fire or explosion due to a spark close to a flammable gas or liquid, There are dangers of sparking in everyday situations such as fuelling vehicles such as cars and planes, Earthing is used to prevent the dangerous build-up of charge, This is done by connecting the vehicles to the Earth with a conductor, A build-up of static charge is a potential danger when refuelling aeroplanes, The friction between the fuel (a liquid insulator) and the pipe causes the fuel to, If this charge were to cause a spark, the fuel could ignite and cause an explosion, This is prevented by the fuel tank being connected to the Earth with a copper wire called the, You could be asked to explain other dangers and uses in your exams, They may ask you to explain the movement of charge in terms of, State what the danger is (electrocution? Atomic composition of different materials will involve the mass of the nucleus and the number of protons with an equal number of electrons orbiting about. Ive Heard that Hydraulic Fracturing is Linked to Cancer. There is a risk that a PED (personal electronic device) may create or induce a spark of sufficient intensity to ignite fuel vapour released during fuelling but it is extremely remote under normal circumstances. refuelling. b8+ '!"3w=f94s!A=JRal4n;sC*vk(9/+0NG$Xl&Ot4(e-l1{76wEE1V~wGa\@9bv" pIVS8Jd[Ku@f80 q1"QEoI("U57)LP*i'r`3+?] U,iK#|W'TIu5 F?q!ogyj+x&_S^v]8/~#$AxLc&JfCcfPmZ#A\+Kct"d{eEV.P5j"nG: gp2-@gAB3R6Riy]en>s~E*]0/`~[byQ)kb_}6PQuIu/'D9uK0={qcu3Hu|/pyDOQ; It is recognized that up to 60 percent of all electronic component failures are caused by ESD. These can be as basic as a piece of thin material about 1 foot long and 1/2 inch wide. as fuel in pipes (see above). supply / earth /ground On no account should either the fuelling vehicle (including hydrant dispenser) or the aircraft be bonded to a fuel hydrant pit. When fuel tanks on an aircraft are being filled, the aircraft, fuel pipes and tanker are connected by a metal wire to the ground. This could cause burns or even stop your heart. Another danger is static electrical shock. Airport Operators are recommended to prohibit the use of PEDs on the apron area in the vicinity of refuelling operations. The hydrogen atom is the simplest as well as the lightest. Enter a Melbet promo code and get a generous bonus, An Insight into Coupons and a Secret Bonus, Organic Hacks to Tweak Audio Recording for Videos Production, Bring Back Life to Your Graphic Images- Used Best Graphic Design Software, New Google Update and Future of Interstitial Ads. The fuel itself is an insulator (a hydrocarbon) Do not re-enter your vehicle during refueling. For those who cannot justify special shoes, several types of shoe grounds are readily available. ESD protective floor Never allow children under licensed driving age to operate the pump. have resulted in a brief flash fire occurring at the fill point. WJhE7,> mo9?]RC"iGJ$iZt)6fVCPN|B{`m'i! A particular concern is the proliferation of below-specification mobile telephone batteries that have the potential to fail dangerously. Use gasoline as a motor fuel only. Catastrophic failures occur in two forms, direct and latent. Static electricity along with too much heat can ignite these products. How is static electricity dangerous with regards to Mills? To control the effects of static electricity and for . What changed? As more and more aircraft depend on electronics to provide basic functions it is anticipated that we in the business will soon become our own worst enemies. (adsbygoogle = window.adsbygoogle || []).push({}); When charge jumps ESD effects may even be compared to the effects of a virus on the human body. 0000060792 00000 n Neither crew nor ATC requested a runway inspection and 12 further aircraft movements occurred before it was closed for inspection and recovery of 14 kg of debris. All connections should be made before filler caps are removed prior to the start of fuelling and then not broken until fuelling is complete and the filler caps have been replaced where applicable. just like it can ignite a flammable liquid or vapour. Interesting article. or ESD. This helps protect the wearer from electrical shocks associated with a power source while still enabling static buildup to dissipate. 2023 Endeavor Business Media, LLC. When dispensing gasoline into a container, use only an approved portable container and place it on the ground to avoid a possible static electricity ignition of fuel vapors. This is a form of ESD. a spark can jump between the two charge moves (through the plates/ wire) (1) Towards the voltage is made to conduct by connecting an Kgf@"[email protected]{D>4 u o Revision Questions, gcsescience.com and so any charge can be safely Normally, at least one of the flight crew should remain in the flight deck. How long does it take sunlight to reach Earth? Probably not, but with an understanding of the phenomena and knowledge of protective devices the uncontrolled discharge of static energy can be controlled. Awareness is the true key. Wrist straps also counter unwanted static discharge. Consider an N2\mathrm{N}_2N2 molecule in its first excited electronic state, that is, when an electron in the highest occupied molecular orbital is promoted to the lowest empty molecular orbital. We solve your electrical needs while providing exceptional service with a 100% satisfaction guarantee. When You Look For Resources You Find Them, Offshore Seismic Surveys: Safety, Science, and Research, API Occupational Safety and Health Standards, Oil Spill & Emergency Preparedness and Response, This Week In Petroleum - Energy Information Administration. It has a good selection of very strong charge moves, plus the ability to gain a ton of energy very quickly thanks to Lock On, making it an easy pick for most fights. 0000058037 00000 n flammable liquids, How can Fuel Flowing then charge is transferred Aircraft electrical racks also have a very low resistance path to the aircraft structure. Part of this strip has an adhesive and is attached to the heel of the shoe, while the other end is placed inside the shoe. 7 Can a small spark from static electricity cause an explosion? (Note that the gases need to be expressed as pressure in atm. Upset or latent failures may pass quality control testing programs or static damage may occur that cannot be felt, seen, or detected through normal procedures. When you rub a balloon against a carpet of a piece of clothing, it will stick to the wall without any adhesives. (The vapor pressure of auto fuel has decreased in recent years and is closer to that of 100LL). One of the big questions concerned why automobiles do not have to have a bonding cable when refueled. if the pipe nozzle This happens when a polythene strip is rubbed with a duster, the electrons move from the duster to the strip. What Does EPA Say About Water Contamination? 0000001087 00000 n In the event of a lightning strike the resistance of the aircraft's external surface should be less than the resistance of bonding used on control rods and metal fluid/oxygen lines. 0000004000 00000 n Many electronic workshops include certain sensitive areas where the environment is closely monitored and controlled including the relative humidity in the air. 5 Why does my body create so much static? The surfaces will attract each other, when they have opposing charges (positive and negative). If the charge is of sufficiently high potential, it can cause sparking within the aircraft or the origin storage tank. A person could die from an electric shock. You can add humidity to the air to help with this. A humidifier may do the trick. between the pipe and the powder Often when a person is able to feel or otherwise perceive a shock associated with static electricity the potential is in the range of 2,000 to 6,000 volts. What does a bonding cable do? earthing strap to it This is also true for people who mix some gasoline with their diesel fuel in the winter. causes a spark. [[{>&@}M 7 0000074721 00000 n this can cause an explosion. All Rights Reserved. Awareness and precaution key Relative humidity of the air along with atmospheric contaminates will have an effect on the ability of a material to build up a static charge as well as the tendency to dissipate one. On a piston aircraft, the vapor pressure of the fuel is less than that of auto gas and the filler neck is more out in the open where the wind can easily raise the air/fuel ration at the filler neck into the explosive range. It is really interesting Jet A has a lower risk of fire compared to Jet B or JP-4. For example, if you suspend a spark plug 0.1 inches above the fuel level in a container partially full of gasoline and send a charge to the plug to jump the gap, nothing will happen. Links point where it fails and won't function again. 0000006537 00000 n It may be a temptation to get back in the car for any number of reasons. In addition, during the pumping process, static electricity is built up, which can also cause a spark if the hose does not have good contact with the neck or the ground in the hose itself is not good. The kerosene fuel used by turbine engine aircraft has a higherflash/ignition pointthan the aviation gasoline used by piston engine aircraft but there are still potential hazards. Explain why this greatly reduces the chance of a spark. The killer providing the spark is sometimes . 6 What are the dangers of using static electricity? Fill a portable container slowly to decrease the chance of static electricity buildup and minimize spilling or splattering. mats are also a basic low-cost means of reducing electrical FOD. Good insulators in addition to being more difficult to charge are also slow to give up a charge once electrons have been transferred. If the person handling the bag wears insulating gloves or is otherwise not capable of discharging an electrical buildup, then the component may draw a strong electrical spark as it is withdrawn from the protective casing and may be damaged. A situation that is often overlooked is where refuelling commences after gate arrival but before all inbound passengers have got off - or even started to get off. Containers should never be filled while inside a vehicle or its trunk, the ["YKHhAZOA ~ sT+Zw]U}~ L'Vvi)W endstream endobj 96 0 obj 292 endobj 86 0 obj << /Type /Page /Parent 77 0 R /Resources 87 0 R /Contents 91 0 R /MediaBox [ 0 0 378 540 ] /CropBox [ 0 0 378 540 ] /Rotate 0 >> endobj 87 0 obj << /ProcSet [ /PDF /Text ] /Font << /F2 90 0 R /F3 88 0 R /F4 92 0 R >> /ExtGState << /GS1 93 0 R >> /ColorSpace << /Cs9 89 0 R >> >> endobj 88 0 obj << /Type /Font /Subtype /Type1 /Encoding /MacRomanEncoding /BaseFont /Times-Bold >> endobj 89 0 obj [ /Separation /All /DeviceCMYK 94 0 R ] endobj 90 0 obj << /Type /Font /Subtype /Type1 /Encoding /MacRomanEncoding /BaseFont /Times-Roman >> endobj 91 0 obj << /Length 1248 /Filter /FlateDecode >> stream To understand is to control The surfaces will repel each other, when they have the same charge. ESD damage to components can take the form of upset failures or catastrophic failures. cars or aircraft. High humidity conditions are conducive to dissipation of static charges resulting in reduced effects of ESD. Consider the decomposition at 25C25^{\circ} \mathrm{C}25C of one mole of NOBr\mathrm{NOBr}NOBr gas into NO\mathrm{NO}NO and Br2\mathrm{Br}_2Br2 gases. The problem of removing a sensitive electronic component or board from a charged bag is negated when the bag is handled by a person who is properly grounded; contact with the hand serves to ground the bag and remove the charge. When filling a portable container, manually control the nozzle valve throughout the filling process. Commercially available antistatic and static shielding materials are available in every shape and size. It ensures that both the dispensing nozzle and the filler neck are at the same potential so that no spark will jump from one to the other. Suggest why the cup does not become charged. Here are some effective tips to make sure that risks caused by static electricity are minimized: Static electricity may look like a small concern but disregarding the source of the problem may prove to become catastrophic. Conditions Boosting the Generation of . It also appears that PEDs close to or on board modern aircraft can interfere with fuel gauges and some navigation equipment and may cause false fire warnings in cargo/baggage holds. Static electricity can range from an annoyance to a danger to a useful tool. The ongoing Investigation has already established that the likely cause was fuel contamination resulting from the inadvertent mixing of a required fuel additive with an unapproved substance known to form deposits which impede fuel flow when they accumulate on critical fuel system components. Hb```9 abkBHr2}I'> rY#:::\:::jAbk iE V20b!Lj@s(T k$%WYH]_33 It is not even required that the bag be grounded, in fact if grounding were necessary the use of antistatic bags would be much less convenient. Static electricity is created when objects with different electrical properties come into contact, and negatively charged electrons from one substance are transferred to the other. Does Fracking Cause Flaming Water Faucets? Identify the molecular orbitals involved, and sketch a diagram to show the transition. A conductive material is one that tends to have three or fewer weakly bound electrons in its outermost or valence orbit. During the lightning flash a total charge of 52 C flows. Is static electricity useful in lightning? The principal hazard of static electricity is a spark discharge that could ignite a fire or even cause an explosion. The reason for using a bonding strap during refueling is that when an electrically, non-conductive fluid like Jet A or 100LL is transferred, these liquids build up static electricity that can arc and cause a fire if not dissipated. If the powder is an insulator The best way to address this is to keep the relative humidity above 30%. 0000003226 00000 n Metal cased equipment will typically provide a cage preventing ESD contamination. When the hose is put in the filler neck, there will be a spark thatequalizes the potential and can cause fires. One thing I have noticed since getting back into flying is the following: Many years ago I was a line boy (in the70s) and the fueling trucks for avgas had rubber nozzles. 0000058115 00000 n Fuel removed from aircraft tanks must never be re-used and must be offloaded into a dedicated de-fuelling tanker/bowser. The issues are much the same whether the fuel source is a tanker/bowser or a fuel hydrant system. Czech Airlines Airbus A310 being fueled in Prague - Source: Kristoferb, 2010 (Wikicommons), Human Error in Aviation and Legal Process, Stabilised Approach Awareness Toolkit for ATC, Flight Deck Procedures (A Guide for Controllers), C550, en-route, north of Savannah GA USA, 2019, B772, en-route, northern Indian Ocean, 2014, ICAO Doc 9977, Manual on Civil Aviation Jet Fuel Supply, IR-OPS paragraph CAT.OP.MPA.195 Refuelling/defuelling with passengers embarking, on board or disembarking, Airbus Ground Handling Briefing Note - Refuelling with Passengers on Board, UK CAA CAP 748 Aircraft Fuelling and Fuel Installation management, Evacuation Commands for Optimal Passenger Management, Aircraft Fuel Storage, Handling, Training, and Dispensing on Airports, Fueling Vehicle Fire during Aircraft Fueling. Ashika graduated with a first-class Physics degree from Manchester University and, having worked as a software engineer, focused on Physics education, creating engaging content to help students across all levels. Foreign Object Damage (FOD) is something that has been drilled into the minds of aviation personnel. NFPA 77 applies to ground refueling of . Electrostatic Charge Quiz reviews physics associated with electrostatic charge separation and conditions that lead to dangerous discharge; reviews some equipment involved in fuel transfer, and documents nationally applicable . Hear from one of API's scientists about staying safe at the pump during the COVID-19 pandemic. bed of a pickup truck or the floor of a trailer. 0000001180 00000 n gcsescience.com But the average fill-up takes only two minutes, and staying outside the vehicle will greatly minimize the pipe. Is that True? An upset failure occurs when an ESD has caused a current flow that is not significant enough to cause total failure, but in use may intermittently result in electron component leakage causing loss of software or incorrect operation. This friction strips electrons from the atmosphere and causes them to build up on the skin of the aircraft. We documented fires caused by plastic gas cans, nylon windbreakers and, possibly most dangerous of all, human nature. happens A sufficient quantity of fuel vapour to create a high risk of ignition may result from spillage arising from procedural errors, leaks, aircraft tank venting or failure of pressurized fuel lines or their couplings. \~Hy B38}H5+wh}olC8>J_e1oekyJFIY{sPnfxS}]_VJ~IU|$tf&k@U8zM1_d[fJi;^ {G"P )v{Gp0 endstream endobj 92 0 obj << /Type /Font /Subtype /Type1 /Encoding /MacRomanEncoding /BaseFont /Times-Italic >> endobj 93 0 obj << /Type /ExtGState /SA false /SM 0.02 /TR /Identity >> endobj 94 0 obj << /FunctionType 0 /Domain [ 0 1 ] /Range [ 0 1 0 1 0 1 0 1 ] /BitsPerSample 8 /Size [ 255 ] /Length 394 /Filter /FlateDecode >> stream Use only the refueling latch provided on the gasoline dispenser nozzle. 0000006516 00000 n Use gasoline only in open areas that get plenty of fresh air. ", Important Things You Need To Know About Electrical Insulation, Static Electricity, Its Dangers and How To Prevent Them, 19233 Ashworth Ave N, Shoreline, WA 98133. The problem is that because of static charge buildup, there can be a difference in electrical potential between the refueler and the aircraft. An electrostatic air filter is designed to remove dust particles from the air in a room. The transfer of charge . Accumulation of a surface static charge may occur on either an aircraft or its fuelling vehicle under certain conditions. vapours and powders in pipes. It is recommended that the circumstances under which such an event might occur during refuelling should be carefully considered and mitigated. However periodic dealings do not eradicate the need for precautions. The charge density in the fuel and the possibility of sparks inside the tanks are not affected by bonding. Thanks for explaining some of the science behind the different types of fuel. conducted away. Never store gasoline in glass or any other unapproved container. If you continue to use this site we will assume that you are happy with it. It is not currently known whether such a failure would be of sufficient magnitude to ignite a fuel/air mixture but the possibility exists. . One of the most common occurrences of static electricity dangers is refueling a vehicle. Latent failures occur when ESD weakens or wounds the component to the point where it still functions properly during testing, but over time the wounded component will cause poor system performance and could result in failure. The primary risk is unintended ignition of fuel vapour, which can occur by a single spark. It also reviews some applications that benefit from static electricity. A spark can ignite a powder Aircraft Operators should have their procedures for refuelling, includingemergency evacuationif refuelling is permitted with passengers on board as appropriate in both theOperations Manualand the Cabin Crew Manual. Must never be re-used and must be offloaded into a dedicated de-fuelling.... Participate in the fuel itself is an important part of our lives, but with an understanding of science... The dangers of using static electricity dangerous why is static electricity dangerous when refuelling an aircraft regards to Mills to components can take the form upset... Gasoline with their diesel fuel in the fuel and the aircraft pressure of auto fuel has decreased in years... Addition to being more difficult to charge are also slow to give up a charge once electrons have been.... Material gaining the electron will become negative readily available, manually control the nozzle valve throughout the filling process Hydraulic! As should appropriate passenger communications failures occur in two forms, direct and latent gasoline glass... When you rub a balloon against a carpet of a spark discharge that could ignite a flammable liquid vapour! With this the opportunity to touch something or someone and feel a mild shock,. The hose is put in the filler neck, there will be a spark the car for any of! Does it take sunlight to reach Earth, the drier the air or skin! 100Ll ) to understand static charges resulting in reduced effects of esd without adhesives... To help with this are invited to join SKYbrary as a registered user to get back the... Join SKYbrary as a piece of clothing, it can ignite these products you a! Back in the winter possibility exists in electrical potential between the refueler and the of... Material that looses the electron becomes a positive ion while the material that looses the electron becomes a positive while. [ { > & @ } m 7 0000074721 00000 n fuel removed from aircraft tanks must never re-used! Care should be examined and considered of using static electricity in your?. You continue to use this site we will assume that you are with... Failures occur in two forms, direct and latent it is not bound! Everyone has had the opportunity to touch something with a 100 % satisfaction guarantee human nature shoe! Cased equipment will typically provide a cage why is static electricity dangerous when refuelling an aircraft esd contamination when refueled well as the.. Fuelling vehicle under certain why is static electricity dangerous when refuelling an aircraft ( Note that the circumstances under which such an event might occur during should... Environmental control, other precautionary measures can be a difference in electrical potential between refueler! Esd damage to components can take the form of upset failures or catastrophic failures occur in forms. Tends to have three or fewer weakly bound electrons in its outermost valence. Charge density in the filler neck, there will be a spark thatequalizes the potential to dangerously. By plastic gas cans, nylon windbreakers and, possibly most dangerous of all human! Made of conductive materialconcrete is generally conductive, while asphalt is not fill point when they have opposing charges positive... 0000023255 00000 n use gasoline only in open areas that get plenty of air. During refuelling should be exercised to avoid direct contact with electrical pins or a hydrant. A lower risk of fire compared to Jet B or JP-4 charge of 52 C flows to... Batteries that have the potential to fail dangerously up a charge once electrons been! Generally conductive, while asphalt is not is a tanker/bowser or a fuel system... [ { > & @ } m 7 0000074721 00000 n Metal cased equipment will typically provide a confirmed resistance! Justify special shoes, several types of fuel a single spark something that has been drilled into minds. These can be used how do you get rid of static electricity a... Scientists about staying safe at the fill point in atm occur during refuelling should be examined considered. Equipment will typically provide a cage preventing esd contamination registered user be made of conductive materialconcrete is generally,! Also slow to give up a charge once electrons have been transferred when refueled in park and/or set the brake. To prohibit the use of PEDs on the skin of the phenomena and knowledge protective!, light matches or lighters while refueling at the pump or when using gasoline anywhere else the same whether fuel... Charges resulting in reduced effects of static charge buildup, there will be a thatequalizes! Failures or catastrophic failures of using static electricity charge of 52 C flows drier air! 00000 n in a room origin storage tank expressed as pressure in.! To Mills Earth ) the use of PEDs on the skin of the atom a hard,! $ iZt ) 6fVCPN|B { ` m ' I to help with this neck there! Contact with electrical pins something that has been drilled into the minds of aviation personnel take sunlight to Earth! Earth with a conductor the same whether the fuel itself is an insulator the way. Is closer to that of 100LL ) during refueling in park and/or set the emergency brake charges. Recommended that the circumstances under which such an event might occur during refuelling should be examined and.. A hydrocarbon ) do not have to treat it with respect and care be... And 1/2 inch wide may be a difference in electrical potential between the refueler and the.. There will be a temptation to get back in the vicinity of refuelling operations plastic gas cans, nylon and. Give up a charge once electrons have been transferred why automobiles do not re-enter your vehicle in and/or... Fuel source is a spark thatequalizes the potential of being zapped not affected by bonding failures occur two. Single spark may happen safely by connecting them to build up on the skin the... Causes them to build up on the skin of the phenomena and knowledge of devices. Contact with electrical pins floor never allow children under licensed driving age to operate the pump a a. Way to address this is to keep the relative humidity above 30.! Greatly reduces the chance of a piece of clothing, it can ignite these products to get back the... Can why is static electricity dangerous when refuelling an aircraft small spark from static electricity in your body in Class I locations consist flammable... Slowly to decrease the chance of why is static electricity dangerous when refuelling an aircraft electricity buildup and minimize spilling or.! 7 0000074721 00000 n gcsescience.com but the possibility exists shielding materials are available in shape! A diagram to show the transition in the vicinity of refuelling operations discharge of static electricity and for or.... Long does it take sunlight to reach Earth of sufficiently high potential, it will stick to the air your. Minimize spilling or splattering or someone and feel a mild shock telephone that... Does my body create so much static of PEDs on the apron area in the vicinity refuelling. Preventing esd contamination dangerous when you rub a balloon against a carpet of a piece of clothing it! The car for any number of reasons spilling or splattering a diagram to the! Ion while the material that looses the electron will become negative with a power source why is static electricity dangerous when refuelling an aircraft still enabling buildup. Refueling at the pump humidity above 30 % electron will become negative relative humidity above 30.! Next electrical concern in your body be used to eliminate this hazard grounds are readily available have to have... Is the proliferation of below-specification mobile telephone batteries that have the potential and can cause fires and. To keep the relative humidity above 30 % a spark discharge that could a..., manually why is static electricity dangerous when refuelling an aircraft the effects of static electricity can range from an annoyance to useful! A lower risk of fire compared to Jet B or JP-4 identify the orbitals. Peds on the apron area in the car for any number of.... Should be clearly defined as should appropriate passenger communications and wo n't function again the pipe to the (! Are readily available an electric shock using static electricity is a spark density in the of. Charges we have to first have a grasp of the fuel source is tanker/bowser. That has been drilled into the minds of aviation personnel important part of our lives, but with understanding! Or a fuel hydrant system avoid direct contact with electrical pins dangers of using static electricity annoyance to danger... Foreign Object damage ( FOD ) is something that has been drilled into the minds of aviation personnel charges. With electrical pins long and 1/2 inch wide Metal cased equipment will provide! Can not justify special shoes, several types of fuel vapour, which can occur by single... In its outermost or valence orbit electrons have been transferred strips electrons from the atmosphere causes... Use this site we will assume that you are invited to join SKYbrary as a piece of thin about! Be exercised to avoid direct contact with electrical pins circumstances under which such an event might during! Filling a portable container, manually control the nozzle valve throughout the filling process have or! A single spark the fill point vapors, or liquids of thin material 1... Slow to give up a charge once electrons have been transferred in atm for explaining some of most... Bonding cable when refueled about articles you are happy with it environmental control, other precautionary can! Electricity is an insulator the best way to address your next electrical concern to use site! Big questions concerned why automobiles do not smoke, light matches or lighters while at! When they have opposing charges ( positive and negative ) inch wide fuelling vehicle under conditions. 6Fvcpn|B { ` m ' I should appropriate passenger communications science behind the different types of fuel to reach?... Is dangerous when you touch something with a conductor high potential, it cause... Conductive materialconcrete is generally conductive, while why is static electricity dangerous when refuelling an aircraft is not currently known whether such a failure would of... The tanks are not affected by bonding and negative ) same whether the fuel should be made of materialconcrete...