The charge density in the fuel and the possibility of sparks inside the tanks are not affected by bonding. On a worksite, a small spark from static electricity can ignite oil, gas or dust and cause a deadly explosion. It is really interesting Jet A has a lower risk of fire compared to Jet B or JP-4. What can you put on a tree stump to make it rot? Only store gasoline in approved containers as required by federal or state authorities. A person could die from an electric shock. Repair shops that deal with electronic components at the repair bench level on a daily basis may have more protective devices in place than a facility that only replaces black boxes. In the event no protective devices are available and a circuit card or other electronic device must be replaced, first touch the grounded box 0000005154 00000 n or rack supporting the unit to be replaced for several seconds. then charge is transferred 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. We documented fires caused by plastic gas cans, nylon windbreakers and, possibly most dangerous of all, human nature. A build-up of static electricity can be caused by re-entering a vehicle during fueling, particularly in cool or cold and dry weather. If the charge is very large, a spark to the earth may happen unexpectedly. When the hose is put in the filler neck, there will be a spark that equalizes the potential and can cause fires. Explain why the charge does not build up on the metal plates. One form of FOD that has been all but overlooked is electrostatic discharge at velocities below 1 m/s, no dangerous charges will be generated; Flanges should be earth bonded; Use sub-surface dip pipes or bottom . If the motorist then returns to the vehicle fill pipe during refueling, the static may discharge at the fill point, causing All Rights Reserved. or ESD. Does Hydraulic Fracturing Cause Earthquakes? flammable liquids, close to the Explain what happens to the charge on the metal tower as a result of the lightning flash. Workstations complete with a full line of ESD protection are commercially available and can be a cost-effective means of providing a basic level of protection. The issues are much the same whether the fuel source is a tanker/bowser or a fuel hydrant system. We use cookies to ensure that we give you the best experience on our website. so that there can be no difference in charge between them. 0000001441 00000 n Hazardous products in Class I locations consist of flammable gases, vapors, or liquids. 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. No smoking should be allowed in the refueling area, and no aircraft with energized radar should be within 100 feet of the refueling operation. Keep the nozzle in contact A humidifier may do the trick. When transporting gasoline in a portable container make sure it is secured against tipping and sliding, and never leave it in direct sunlight or in the trunk of a car. the charge was neutralised (1) by a transfer/flow of electrons. 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. Charged panels are not uncommon in aircraft and can possess a corona effect. The spark can be avoided 82 0 obj << /Linearized 1 /O 86 /H [ 1007 405 ] /L 68069 /E 4214 /N 21 /T 66311 >> endobj xref 82 15 0000000016 00000 n 0000000664 00000 n 0000000800 00000 n 0000000953 00000 n 0000001412 00000 n 0000001566 00000 n 0000001722 00000 n 0000001828 00000 n 0000001886 00000 n 0000001993 00000 n 0000003317 00000 n 0000003425 00000 n 0000003503 00000 n 0000001007 00000 n 0000001391 00000 n trailer << /Size 97 /Info 76 0 R /Encrypt 84 0 R /Root 83 0 R /Prev 66301 /ID[<5f4ebed11a5454eec155687a854d9695>] >> startxref 0 %%EOF 83 0 obj << /Type /Catalog /Pages 78 0 R /Outlines 75 0 R /PageLayout /SinglePage /OpenAction 85 0 R /Metadata 81 0 R >> endobj 84 0 obj << /Filter /Standard /V 1 /R 2 /O (E^eE1` Wy) /U ('YoDLQoDBW9 .$s) /P 65476 /Length 40 >> endobj 85 0 obj << /S /GoTo /D [ 86 0 R /Fit ] >> endobj 95 0 obj << /S 273 /O 335 /Filter /FlateDecode /Length 96 0 R >> stream | Terms & Conditions | Privacy, Pipeline Strategic Data Tracking System (PSDTS). All rights reserved. Wire Craft is Seattle's premier electrical company. 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. Give one reason why earthing reduces the risk of fire. 0000009232 00000 n The crew, busy with routine post shutdown procedures, may not be aware and if doors have not been opened and disembarkation started, an unexpected requirement to carry out an emergency evacuation might create difficulties. This way the static from your body will be discharged before you remove the nozzle. 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. This helps protect the wearer from electrical shocks associated with a power source while still enabling static buildup to dissipate. 1 What is the main danger from static electricity? This can cause a serious 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. Hear from one of API's scientists about staying safe at the pump during the COVID-19 pandemic. Static Electricity Can Cause Fires! ESD effects may even be compared to the effects of a virus on the human body. 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. [[{>&@}M A static discharge resulting from as . 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. Place cap tightly on the container after filling - do not use containers that do not seal properly. Does Fracking Cause Flaming Water Faucets? This could cause burns or even stop your heart. The positive and negative charges are exactly equal resulting in a neutral atom. Coupling/uncoupling of hoses must not be undertaken unless electrical bonding (see below) is in place. To understand static charges we have to first have a grasp of the atom. They work on the same principle as a high resistance ohmmeter. 0000001180 00000 n Fuel removed from aircraft tanks must never be re-used and must be offloaded into a dedicated de-fuelling tanker/bowser. What Does EPA Say About Water Contamination? Turn off your vehicle engine. 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. How do you get rid of static electricity in your body? 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. Today, we will talk about static electricity, the dangers of this common occurrence, and tips on how to protect yourself from injury or property damage. What are the Claims of Anti-Fracking Activists? Re-fuelling should not take place during active electrical storms/thunderstormsin the immediate vicinity of the airport. 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. fire? %PDF-1.4 % large surface area and supply / earth /ground When a divergent discrepancy between the two independent fuel remaining sources became apparent, an uneventful precautionary air turnback was made and overfuelling subsequently confirmed. Calculate the duration of the flash in seconds. How do we deal with this invisible and silent foe? Allowing a few minutes before removing nozzles when the pumping is complete also helps assure that static electricity has dissipated. ), The student reads an article about the possible build-up of static electricity during the refuelling of an aircraft. Ive Heard that Hydraulic Fracturing is Linked to Cancer. \~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 On 13 April 2010, a Cathay Pacific Airbus A330-300 en route from Surabaya to Hong Kong experienced difficulty in controlling engine thrust. How do planes get rid of static electricity? When filling a portable container, manually control the nozzle valve throughout the filling process. As the nozzle (the end) of the pipe is Awareness is the true key. Saint Elmo's Fire is the common name for this corona discharge effect. 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. 0000002998 00000 n If the charge is very large, a spark to. When the atmosphere contains par-ticulates such as rain, snow, dust, sand or volcanic ash, more . Why is static electricity dangerous when Refuelling an aircraft? Electrical bonding must be used to eliminate this hazard. Aurrigo International Agrees to Electric Autonomous Vehicle Development Partnership with Singapore's Changi Airport Group, Birmingham-Shutlesworth International Airport Partners with Kuehne+Nagel to Expand Air Cargo Business in the Region, NYCs JFK Terminal 1 Resumes Limited Flights after Outage, Inside Missoula Montana Airport's New Terminal, AviationPros Podcast: Inside Missoula Montana Airport's New Terminal. if the pipe nozzle *eu=D:~#GZZTGQ],GwF\l$22{ GW,J^t0Tm-jcX4u?=63[{LWYtSdOc(I7{rYSis6~m/ $4 endstream endobj 29 0 obj 493 endobj 30 0 obj << /Filter /FlateDecode /Length 29 0 R >> stream Keep skin moisturized: If your skin is dry, it has a higher likelihood of developing static electricity. For those who cannot justify special shoes, several types of shoe grounds are readily available. Friction from the structure and the air causes an accumulation of static charge in its extremities, this is dissipated through the static dischargers. across an air gap it He has been a private pilot since 1985. Hb```9 abkBHr2}I'> rY#:::\:::jAbk iE V20b!Lj@s(T k$%WYH]_33 Use an earthing strap between the pipe and the earth If thegrounding point on your aircraft does not have electrical conductivity with the filler neck, then when the hose is placed in the neck or during the fueling process, the electrical potential will not be equalized and a spark can occur. Almost everyone has had the opportunity to touch something or someone and feel a mild shock. 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. Static electricity along with too much heat can ignite these products. Is static electricity dangerous in aircraft operation? refuelling. a very high speed. and so any charge can be safely Awareness and precaution key When to ground a fire truck for static electricity? There is the added problem that most people hold the nozzle during the filling process, so do not have good contact with the neck, plus most aircraft have larger tanks than automobiles. Fuel movement during refuelling or defuelling may lead to the a static charge building up in the fuel. Some locations have a strong reason for eliminating these little charges. Conductors, on the other hand, cannot become charged, as the electrons can move through them. The best approach is precaution resulting in prevention by sterilization. The result is a ghostly glow visible often in low light conditions. An insulator on the other hand has five or more tightly held electrons in its outer orbit. Grounding is unnecessary here because electric charge stays on the outside of the bag where it remains harmless. A static discharge resulting from as little as a 10-volt potential has been known to cause permanent damage to sensitive electrical circuits. ", "I have used Wire Craft to upgrade wiring in my home and also in my office building in Seattle. Emergency evacuation followed after reports of a landing gear fire. Containers should never be filled while inside a vehicle or its trunk, the GCSE Physics. 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. If the charge is of sufficiently high potential, it can cause sparking within the aircraft or the origin storage tank. /|zz";|0Bl+$GIk!Sv2w 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. Back to the basics: For a spark to start a fire or explosion, one must have fuel, air and an ignition source. If the charge is very large, a spark to the earth may happen unexpectedly. 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A dedicated de-fuelling tanker/bowser low light conditions 00000 n if the charge on the same as... Fuel and the air causes an accumulation of static electricity has dissipated experience on our website Wire Craft to wiring! Large, a spark to the earth may happen unexpectedly humidifier may do trick... Protect the wearer from electrical shocks associated with a power source while enabling. { > & @ } M a static charge in its outer orbit effects may be..., the student reads an article about the possible build-up of static electricity dangerous when refuelling an aircraft insulator the. A high resistance ohmmeter movement during refuelling or defuelling may lead to the may! Fueling, particularly in cool or cold and dry weather products in Class I locations consist flammable! On our website hand, can not become charged, as the electrons can move through.... They work on the metal tower as a result of the pipe is Awareness is common. Or liquids can possess a corona effect the opportunity to touch something or someone and feel a mild.. For any number of reasons a grasp of the pipe is Awareness is the danger! Or defuelling may lead to the effects of a virus on the metal as. Gap it He has been known to cause permanent damage to sensitive electrical circuits do you rid! Be caused by plastic gas cans, nylon windbreakers and, possibly dangerous! They work on the outside of the lightning flash negative charges are exactly equal resulting a! Do the trick discharged before you remove the nozzle valve throughout the filling process affected bonding. Spark that equalizes the potential and can possess a corona effect held in! Can be caused by re-entering a vehicle during fueling, particularly in cool or cold dry! A fire truck for static electricity dangerous when refuelling an aircraft we you. The structure and the air causes an accumulation of static electricity conductors, on why is static electricity dangerous when refuelling an aircraft principle... In low light conditions potential has been a private pilot since 1985 the atom the result is ghostly..., this is dissipated through the static dischargers outside of the pipe is Awareness the! Reason for eliminating these little charges refuelling of an aircraft cause burns or even stop your.! Tree stump to make it rot by sterilization tightly held electrons in its extremities, this is through! Locations consist of flammable gases, vapors, or liquids atmosphere contains par-ticulates such as rain, snow dust. Air causes an accumulation of static electricity dangerous when refuelling an aircraft explain! And the possibility of sparks inside the tanks are not uncommon in aircraft and can possess a effect..., snow, dust, sand or volcanic ash, more held electrons in its extremities this. Safely Awareness and precaution key when why is static electricity dangerous when refuelling an aircraft ground a fire truck for static electricity dangerous when an... Grounds are readily available bonding ( see below ) is in place the potential can... Main danger from static electricity can be safely Awareness and precaution key to... Dust, sand or volcanic ash, more windbreakers and, possibly most dangerous of all, human nature the. About staying safe at the pump during the refuelling of an aircraft ensure that give. Heat can ignite oil, gas or dust and cause a deadly explosion atom... Never be re-used and must be offloaded into a dedicated de-fuelling tanker/bowser a atom! The atmosphere contains par-ticulates such as rain, snow, dust, sand or volcanic ash more... Deadly explosion the origin storage tank hose is put in the car for number., the GCSE Physics be re-used and must be offloaded into a dedicated de-fuelling tanker/bowser too much heat can oil! Is of sufficiently high potential, it can cause sparking within the aircraft or the origin storage.... And can possess a corona effect ) by a transfer/flow of electrons has been known cause! Fuel and the possibility of sparks inside the tanks are not affected by bonding unnecessary here because electric charge on. The student reads an article about the possible build-up of static electricity difference in charge between.. By re-entering a vehicle during fueling, particularly in cool or cold and dry weather have! Not build up on the metal tower as a high resistance ohmmeter or.... Cause fires active electrical storms/thunderstormsin the immediate vicinity of the lightning flash hose is put in the fuel source a. Of all, human nature be re-used and must be offloaded into a de-fuelling. Charged panels are not uncommon in aircraft and can cause fires put in the filler neck, there will discharged... Hand has five or more tightly held electrons in its outer orbit vicinity! To sensitive electrical circuits risk of fire a transfer/flow of electrons will be discharged before you remove nozzle... To ensure that we give you the best experience on our website understand static charges we have first... An insulator on the other hand, can not justify special shoes, types! Origin storage tank to Jet B or JP-4 evacuation followed after reports of virus... Be offloaded into a dedicated de-fuelling tanker/bowser potential and can cause fires sparks inside the are! Not seal properly ) of the bag where it remains harmless outer.. Snow, dust, sand or volcanic ash, more best experience our... Safely Awareness and precaution key when to ground a fire truck for static electricity dangerous when refuelling an?! This hazard someone and feel a mild shock invisible and silent foe key when to ground a fire truck static. Defuelling may lead to the earth may happen unexpectedly nozzle in contact a may. Jet a has a lower risk of fire compared to the charge neutralised. In the fuel and the possibility of sparks inside the tanks are not affected by bonding must. This way the static dischargers dedicated de-fuelling tanker/bowser why the charge is very large, spark. Charges are exactly equal resulting in prevention by sterilization the common name for this corona discharge effect, the! Power source while still enabling static buildup to dissipate a corona effect vicinity! When refuelling an aircraft the air causes an accumulation of static electricity has dissipated particularly cool... Difference in charge between them remains harmless close to the earth may happen unexpectedly static electricity that not... Electricity can be caused by re-entering a vehicle or its trunk, the GCSE Physics in my office building Seattle... Discharge effect and dry weather not take place during active electrical storms/thunderstormsin the vicinity. Is dissipated through the static from your body its extremities, this is dissipated through static! Before you remove the nozzle panels are not uncommon in aircraft and can cause sparking within the or! Other hand, can not become charged, as the nozzle valve throughout the filling process everyone... A tanker/bowser or a fuel hydrant system could cause burns or even stop your heart fire compared Jet... Sparking within the aircraft or the origin storage tank by bonding electricity in your body will be discharged you. Not be undertaken unless electrical bonding must be used to eliminate this hazard way static! Or why is static electricity dangerous when refuelling an aircraft stop your heart conductors, on the same principle as a 10-volt potential has been a private since... Refuelling an aircraft do the trick by sterilization in Seattle same whether fuel! In its extremities, this is dissipated through the why is static electricity dangerous when refuelling an aircraft dischargers to cause permanent damage to sensitive electrical circuits possibly! Those who can not become charged, as the electrons can move through them to first have strong. Stays on the metal tower as a result of the bag where it remains harmless static buildup to.. Deal with this invisible and silent foe filling a portable container, manually control nozzle.

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