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Use this tag for questions regarding UTC, zulu time, daylight savings time, or flight time.

10 votes
Accepted

Why is a sweeping second hand required for IFR?

Historically planes may have had more complicated nav clocks like this hamilton where the large second hand is for the chronometer and not the elapsed time clock. …
Amazon Dies In Darkness's user avatar
0 votes

How does this instrument in a DA20 measure flight time?

There is a good overview on the different between tach time and hobbs time here. Real world example from my past few flights. … I put 1.1 on the hobbs but spent a chunk of time taxiing on the ground and coasting into some nice landings so I only ended up getting charged for 0.2 hours on the tach as I was well below cruise RPM for …
Dave's user avatar
  • 102k
4 votes
Accepted

What is the flight time from Beirut to Paris using different aircraft?

So chances are the A321 which only cruises 1MPH faster than the A320 will take the same 4:40 time. … The 787-9 is a bit shy of 10% faster so it will shave about 28 minutes off the flight time if we are comparing total times on a more holistic basis. …
Community's user avatar
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2 votes
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What are the missions of high-endurance aircraft?

Before the jet age crossing oceans was a time consuming affair and required what some may consider a "high endurance" aircraft/flight. Keep in mind it took Charles Linbergh in the Spirit of St. … On the operational front: The Air Force operated Boeing VC-25 (often called "Air Force Once") is capable of aerial refueling and could remain aloft for quite some time and is built to be a mobile command …
Peter Kämpf's user avatar
1 vote

Can I log any PIC time if my medical certificate is out of date and I haven't flown in 20 ye...

All that being said you can log PIC time if you comply with the above listed things. You will need at least a biannual review so instructor time will have to happen. … If you have not flown in 20 years some training is well worth your time before brining any passengers along. …
Dave's user avatar
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0 votes
Accepted

Hobbs vs Tach time?

Generally the engine time is measured using the Tach (and is what the engine is serviced based on) while the airframe time is measured off the hobbs meter. … The FAA defines Time In Service as Time in service, with respect to maintenance time records, means the time from the moment an aircraft leaves the surface of the earth until it touches it at …
Dave's user avatar
  • 102k