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Ron has raised a good question which pilots have
many opinions about. My FAA Inspector friend since the sixties (just
retired-VNY FSDO) and I had a long conversation about this issue some years
ago. In the spirit of the law and in some cases in the letter as well, the
feds don't care how you keep track of time. Whether it is in a hand
written log or with any of the myriad devices we now have including that
digital clock, they just insist that you do, in fact, keep track of time.
This is both for you as a pilot and for the airframe, engine and
propeller. Any time change rotable part must have a record kept of
its time in service (your engine?).
As experimental types we are not free of the regs
completely. We must obey all of part 91 operating rules and also part 43
maintenance. There are more. I'll dig out the AC that tells what we
must follow and what not. You probably have it. It is in an AC
for homebuilders.
As far as the Hobbs/Sierra issue... all I can say
is that I put in a hobbs, too. And that damn clock I haven't mastered
yet. You know, I wouldn't be surprised if there is a little bird in
the tail boom taking down T.O. and landing times. Oh, and on
that point the FAA usually allows 15% for the difference between block to block
and flight times as a fair adjustment should you only have one way to measure
time of use in your aircraft.
Personally the CFS and a Hobbs are both good as you
then have both block and flight time. The clock? Damned if I
know!
Walter Dodson 1895740IA IV-P N990Y still for
sale at a very high price. Know any
sheiks?
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