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Smaller aircraft simply have gas-caps on top of the wing. The caps are removed and fuel is poured straight into the fuel tanks.
Most jets can be fueled in this manner as well, however jets often require much more fuel, and so most use whats called a "single-point" nozzle which mechanically connects to the body of the aircraft at some point, when a lever is pulled a valve is opened, and thousands of gallons of fuel can be pumped without spilling a drop.
All airliners, most military jets and helicopters, and most middle and large sized executive jets are equipped with this system. Jet aircraft which do not have the single-point system must be fueled "over-wing" by removing the fuel cap and pouring fuel straight into the tank. This process is much slower so it is not used on large aircraft.
Medium sized airports generally utilize a fuel truck which can drive out onto the ramp to fuel the aircraft where it sits. Smaller airports may have a single pump that aircraft must taxi to or be towed to in order to refuel. Airliners often require much more fuel than can be hauled in a single fuel truck, and so at large airports the fuel is often pumped from an underground tank.
In all cases, the aircraft is attached to ground before fuel is pumped in. When pumping large amounts of fuel it is possible for a static charge to build up, an electrical spark could result in disaster, and so refueling is always undertaken with great care.
The FAA prohibits smoking on the aircraft or within 500 feet of the aircraft or fuel truck while fueling is taking place. If there are disabled passengers onboard during refueling, the FAA requires a team of firefighters to be standing by on scene during fueling.
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What is invalid passenger in aircraft?
An invalid passenger usually refers to a disabled or incapacitated passenger. Such passengers are obviously unable to exit the aircraft themselves if there were an emergency, so the FAA mandates that if the aircraft is to be refueled while passengers are aboard (which is a very common practice), if there are invalid passengers onboard there must be a fire crew standing by during fueling.
How many feet from explosives can vehicles or equipment be refueled?
100
Can a C-130 aircraft be air refueled by a KC-135 aircraft?
They'd have to have a refueling probe installed and hustle like heck to keep station with a KC-135, who would have to seriously slow down to ditto. I'd have to look at the spec's to confirm and invite a more informed opinion. A KC-130 would be the smart solution and may already be in inventory.
How often does a nuclear plants needs to be refueled?
every 3 days :P
How are helicopters refueled in air?
Some large helicopters use 'drogue and hose' refuelling
When was the first solo nonstop non-refueled flight around the world completed?
The answer is: Brook Knapp
Where did American military planners decide to invade so b29s could be refueled?
Iwo Jima
How many aircraft does the kc-135 refuel?
The KC-135 has been in service to the U.S. Air Force since June of 1957, and since then has refueled nearly every aircraft the the inventory from that time onward. KC-135s typically refuel using what is known as an Air Refueling Boom, which is a flyable, arm-like device attached to the rear of the aircraft. The KC-135 is also capable of being outfitted with one and/or two Probe-and-Droge-type refueling devices. These are the MPRS (Multi-Point Refueling System) Pods, and the Probe-and-Drouge Adapter. This flexibility in function allows the KC-135 to refuel both Boom-type receivers, which are standard to the U.S. Air Force inventory, and Drogue-type receivers, which are typical of the U.S. Naval inventory. The only commonly used, fixed-wing military aircraft that cannot be refueled by the KC-135 are basic models of the C-130, the U-2, and all UAVs (such as the MQ-9 "Reaper" and RQ-4 "Global Hawk").
Where should non essential personnel stand during refueling?
Anywhere away from the area that is being refueled.
How much separation is required between vehicles being refueled and structures or sites containing explosives?
100
How much separation distance is required between vehicles being refueled and structures or sites containing explosive?
100
Do aircraft dump fuel before landing?
Not normally. This is an emergency procedure sometimes done because the maximum takeoff weight is usually larger than the maximum landing weight on aircraft carrying large passenger or freight loads. The dumping of fuel is one action that can be used in an inflight emergency; however, I can guarantee that the takeoff weight of ANY aircraft (unless refueled in flight) is ALWAYS greater than said aircraft's landing weight. Fuel used enroute will always reduce the gross landing weight. Aircraft are generally serviced with enough fuel to make its primary destination and an alternate runway (due of emergency). The landing weight can be adjusted by dumping fuel (normally) in case of damage to the aircraft or destination runway conditions (snow/ice, rain) requiring a lighter aircraft gross landing weight. Naval aircraft operating from Carriers routinely dump fuel to adjust for landing conditions (wet deck, reduced landing area, slower ship speed into the wind, etc...).
