gulredrel Posted December 3, 2023 Share Posted December 3, 2023 Hello, back from a flight in the C-101CC where fuel warning came on short after a touch and go. Went around, landed and during taxiing back, fuel pressure warning came on first flickering and shortly afterwards was solid and the engine quit. I started my flight with 1980 lbs of fuel regarding to mission editor. With the engine quitting during taxi, the fuel totalizer showed 1400 lbs of used fuel. The fuel gauge showed around 200 lbs. Haven't found something in the manual regarding usable fuel and reliability of the fuel totalizer or the fuel gauge. What should be taken into account for fuel planning if neither the fuel gauge nor the totalizer is showing accurate data?! What amount of fuel needs to be considered as not usable? I have the track file, but it's 6.7MB large and you would need to watch more than an hour of just a scenic flight in SA map. Thanks Jens Link to comment Share on other sites More sharing options...
Vibora Posted December 3, 2023 Share Posted December 3, 2023 We'd need the trk anyway. Roberto "Vibora" Seoane Alas Rojas [sIGPIC][/sIGPIC] Link to comment Share on other sites More sharing options...
gulredrel Posted December 4, 2023 Author Share Posted December 4, 2023 (edited) @Vibora: Thanks for investigation. Here you go with the trk file: 20231203_C-101CC_fuel_empty_on_taxi_back.trk Also some screens taken from the cockpit yesterday. Fuel flow gauge and fuel gauge after engine went out. Edited December 4, 2023 by gulredrel Link to comment Share on other sites More sharing options...
gulredrel Posted December 10, 2023 Author Share Posted December 10, 2023 And an update for completeness of data. Did the same flight with the EB version. Started with 1980 lbs fuel regarding mission editor. The fuel warning light came on as the fuel flow meter showed a total used fuel of 1540 lbs. Fuel gauge was roughly showing 400 lbs fuel left. Shortly after landing, fuel totalizer showed 1600 lbs of used fuel, fuel pressure warning came on and the engine quit. Fuel gauge showed around 300 lbs of remaining fuel. Here is the corresponding track file: 20231210_C-101EB_fuel_empty_on_taxi_back.trk Regarding the manual, the low fuel warning comes on at around 370 lbs remaining fuel. Being near the airport, this amount should be sufficient to do a missed approach and a circuit, landing and taxi back to the parking space. Thanks Jens Link to comment Share on other sites More sharing options...
Vibora Posted December 10, 2023 Share Posted December 10, 2023 Txs for your report. There was no need to provide more trks or feedback, we are looking at it. 1 Roberto "Vibora" Seoane Alas Rojas [sIGPIC][/sIGPIC] Link to comment Share on other sites More sharing options...
gulredrel Posted December 11, 2023 Author Share Posted December 11, 2023 No problem. Just wanted to do this flight anyway, Doing some VOR navigation radial flying and using the TACAN to receive the DME ranging info. So I now know I need to have the extra fuel in the current state. Link to comment Share on other sites More sharing options...
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