Questions tagged [fuel]

Different aircraft engines use different fuels; the most common types are Jet A or A-1 for jet and turboprop engines, and avgas for piston engines.

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On average, how much fuel is left in commercial flights after landing?

I recently asked what kind of fuel reserve airlines were required to have. It turns out there are international guidelines for that, which for commercial flights are: Per ICAO Annex 6, Part I, ...
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341 views

How to get the fuel on board reading on UVdatalink via Honeywell ACARS system?

I would like to find out if anyone has encountered the following issue and how was it rectified. We are currently seeing the following results on UVdatalink for some of our aircraft that have ...
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What is the specific fuel consumption and cruise thrust of PW1521G engines?

I'm looking for the specific fuel consumption (SFC) and thrust related to PW1521G in cruise regime, as well as the associated assumptions for these ratings. I can't find them online.
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What is a typical fuel temperature entering the burner for different mission flight points of a civil aircraft?

Is there a target regarding the fuel temperature that enters the turbine engine's combustion chamber and if so does it change with different operation flight points in civil aircraft applications? Is ...
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190 views

How much pressure do boost and jettison fuel pumps produce?

What is the pressure output of a (boost) fuel pump on a Boeing 767 and/or 777, compared to a heavy-duty jettison fuel pump.
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100 views

Flying in V formation with multiple planes

Logistically choreographed using air-traffic controllers to pair like planes headed in the same direction or by scheduling flights together, how much fuel could be saved pairing planes to fly in a ...
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329 views

What are the fuel requirements for Canadian flights?

I am aware of the "US Flag Jet", "Piston" and "Domestic" policies in the US, and the ICAO policies. Is there a specific requirement in Canada for domestic and also international flights? Does ...
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323 views

What is the fuel/air ratio of the CFM56-5A1 engine (in the A320 model)?

I could find the fan-bypass ratio, which was 6:1 (on some models 5:1) but I was unable to find the fuel to air ratio used in this engine. For reference, it is a high-bypass turbofan engine.
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106 views

How much fuel did the N Class Navy blimp carry?

The Navy N Class blimp was powered by 2 Wright R-1300 Cyclone 7 radial engines and was able to cross the Atlantic and back again without refueling. How many gallons of fuel did it carry for a maximum ...
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82 views

Are there any feasibility studies or research regarding the possibility of using Jet A in tropical countries?

Based on the ASTM D1655 standard specification for turbine fuels, the only difference between Jet A and Jet A-1 is the freezing point. Max [min?] -40 degrees Celsius (-40° F) for Jet A and max -47 ...
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173 views

Where can I find EUROCONTROL's fuel coefficients for the B737?

I am trying to compare the fuel impact of different types of approaches, to compute the fuel flow I am using a model developped by Eurocontrol (Base of aircraft data). I am struggling to find the fuel ...