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48 votes

Why are fuel tanks in the wings filled first, and why are they used last?

Having all the payload of a plane concentrated at the fuselage creates a large bending load on the wings in order to support that weight. Storing fuel in the wings allows some of that weight to be ...
fooot's user avatar
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34 votes
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How does jet fuel not spill out upon disconnecting from the wing's intake?

The system is based on two elements: The underwing coupling is closed by a spring-loaded lid which can be pushed up to open the tank fuel line. The refueling nozzle has a poppet valve which ...
mins's user avatar
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26 votes

Where does Air Force One refuel?

I can't confirm whether either VC-25 has refueled in flight while acting as AF1 but the aircraft is so equipped for the job. I do know refueling on the ground depends on where the jet is and the ...
Romeo_4808N's user avatar
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15 votes
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What is the official term for a gas / petrol station for planes?

At airport with a standalone self-serve facility, it's a Self Serve Fuel(ing) Station. If it's a business selling fuel in addition to other services, that is a Fixed Base Operator, or FBO.
John K's user avatar
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13 votes
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Why do pilots sample the fuel before a flight?

On the first flight of the day, after every refueling, and if you have flown through precipitation or the plane is left in the rain, you check the fuel for water and to make sure you have the right ...
JScarry's user avatar
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12 votes

Why are fuel tanks in the wings filled first, and why are they used last?

A minor point - keeping less of the flammable fuel in the body has a safety benefit. Using up what's in the body first helps keep it further away from the crew and passengers. In a crash you'd ...
Criggie's user avatar
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12 votes
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Is it normal practice to refuel commerical planes whilst boarding is taking place?

Refueling with passengers onboard is quite normal and is done according to the recommendations of regulatory bodies/manufacturers and operators. Refueling with some fuel types are not permitted, while ...
aeroalias's user avatar
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12 votes

How do aircraft refueling in-air deal with wake turbulence?

Like to see the fleet and crews talking here. I am a US Navy A7E pilot who flew in the Med aboard the USS Nimitz in the mid-1980's. I served as tanker pilot, and had my share of plugging behind an A6 ...
Aaron's user avatar
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12 votes
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Why ground a plane while fueling?

On cars I think it's because static charges don't build up as much but theoretically it's still possible for a spark to occur when the nozzle touches the tank inlet and provides a ground path. On ...
John K's user avatar
  • 132k
12 votes

What is the official term for a gas / petrol station for planes?

On a small GA airfield we just refer to them as "The pumps". As in my typical radio conversation goes like this [Airfield] [service], G-ABCD request taxi to pumps.
Jamiec's user avatar
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11 votes

Where does Air Force One refuel?

The VC-25A (which is usually used as Air Force One) can definitely make the trip from Washington D.C. to Athens in one fuel tank! I think the longest the VC-25A has gone without refuelling is from ...
Nam Ba Vo's user avatar
  • 121
10 votes

How is it safe for helicopters and Ospreys to refuel in mid-air?

When fully extended the probe does extend past the rotor of the HH-60G; however, there is a potential for the probe not to extend. And in that case, the probe is well inside the rotor disc. Still, ...
Fudd's user avatar
  • 101
10 votes

Why are fuel tanks in the wings filled first, and why are they used last?

Probably the main reason why fuel is put into the main wing tanks first is because on some airliners (if not most) the engines are fed directly from the wing tanks. Some airliners have to pump the ...
Devil07's user avatar
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9 votes

Why are fuel tanks in the wings filled first, and why are they used last?

The simplest explanation is that the wings are designed to be the load bearing structure in the air and on the ground. So, you want the most weight to be in/on the wings. In other words, you want to ...
DTRT's user avatar
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9 votes
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Why is Iceland an efficient connection point between London and Boston/NYC?

One of the benefits of having a stop halfway is that the aircraft can refuel. It therefor doesn't have to carry the fuel for the second half of the flight during the first half, which saves fuel. ...
DeltaLima's user avatar
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9 votes
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Why is there always a fire truck present before refuelling?

As far as I know it is not mandated, but ICAO (for which many aviation authorities derive their regulations) states in Annex 14 Section 9.6 Ground servicing of aircraft: 9.6.1 Fire extinguishing ...
Jamiec's user avatar
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8 votes
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How do you know which fuel an aircraft uses?

The actual fuel type limitations will be listed in at least two places: the aircraft type certification data sheet (TCDS), and the limitations section of the aircraft Flight Manual, Operating Handbook,...
J W's user avatar
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8 votes

How much does a refueling stop for an Avro RJ85 cost in Bolivia/Colombia?

It's hard to give an exact figure as their are a number of considerations. If we assume that the re-fueling stop is at El Dorado, and the airplane was a BA146 (RJ85 is a variant) then approximate ...
GdD's user avatar
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8 votes
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Do large aircraft accumulate water in their tanks?

AFAIK all aircrafts accumulate water in their tanks. Since you ask for large aircraft acccording to wikipeadia: FAA definition of large aircraft The US Federal Aviation Administration defines a ...
Atilla Arda Açıkgöz's user avatar
8 votes
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What was this vehicle doing?

This looks like an Aircraft Fuel Servicing Cart, which transfers fuel from an underground network to the aircraft. There are two types of vehicles that transfer fuel at larger airports with these fuel ...
Bianfable's user avatar
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8 votes
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How do rental prices that include fuel work if you refuel?

Every FBO that rents aircraft wet should have a published policy on this, possibly even in the rental agreement you signed. In every case I’ve seen or heard of, you just submit the receipt for any ...
StephenS's user avatar
  • 27.8k
7 votes

What is the official term for a gas / petrol station for planes?

They’re referred to as self service fuel pumps, or fuel terminals. I don’t know if anybody has officially named the but pilots call them that.
Romeo_4808N's user avatar
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7 votes
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How might one fly from KRYN to SDRS in a de Hallivand DHC-6 Twin Otter?

I would recommend that you go to https://skyvector.com/ and create a flight plan. It isn't too difficult, just click on "Flight Plan" in the top left corner and you should be able to figure out the ...
Michael Hall's user avatar
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7 votes
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What's the refueling process like for a light aircraft?

The DHC-6 Twin Otter has two fuel tanks located in the belly of the fuselage, one forward (1235 lbs or 185 gal) and one aft (1341 lbs or 201 gal). There is a fuel fill port on the port side of the ...
StephenS's user avatar
  • 27.8k
6 votes

What is the official term for a gas / petrol station for planes?

Our fuel pumps are on the west side of the airport and most people just request: “Taxi to west-side fuel.”
JScarry's user avatar
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