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  1. M

    Setting Recording Tach

    Both the owners manual and installation manual for the FlightDEK-180 discuss the availability of Recording Tach Time, simiular to the round gage recording tach from the dynasoar years. While I have lobbied in the past for a method to provide airtime, I am ready to conceed that I will use your...
  2. M

    Tach vs Hobbs

    In the real world, engine operations at low power settings do not matter. If they did, the FAA would factor that time into the maintenance equation. A recording tach would be a mandatory instrument. Time In Service inspections of the engine do not use time as a measurment other than specify...
  3. M

    Tach vs Hobbs

    Look: I've been around this business for 48 years and have well over 24,000 hours. I have flown and taught professional grade EFIS from Collins to Honeywell since 1984. I am saying that maintenance on an aircraft is based upon Time In Service. Time In Service is defined as when the aircraft...
  4. M

    Tach vs Hobbs

    You may think that you are doing the same thing...counting pulses, but you are not. Whatever number is selected is a guess. On the other hand, selecting a speed such as 20 or 30 kts will be off by seconds at the most. Again, this is what Collins and Honeywell use. Tach Time is the best we had...
  5. M

    Tach vs Hobbs

    Flight time is defined as when the aircraft leaves earth until it lights again on terra ferma. This is the time that should be used for maintenance. Block time is when the aircraft taxies under its own power until it is parked. This is the time you log in your flight logbook. Certainly the...
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