What triggers need for 100 hour inspection?

AdamZ

AdamZ

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Adam Zucker
What is it that triggers the need for a 100 hour inspection on a plane?


My understanding is that if a plane owner rents or leases a plane to a pilot or pilots no 100 hour inspection is needed. However if the same owner rents it to pilots and gives them instruction in the plane then a 100 hour inspection is needed. Is that correct?
 
Perhaps you're confusing the "annual inspection" with the 100 hour rule? 100 hours if the aircraft is used for commercial purposes - is leased or rented out.

91.409.(b) ... no person may operate an aircraft for hire and no person may give give instruction for hire in an aircraft which that person provides, unless within the preceeding 100 hours of time in service the aircraft has received an annual or 100-hour inspection...

So if the annual has been performed, life is good.
 
murphey said:
Perhaps you're confusing the "annual inspection" with the 100 hour rule? 100 hours if the aircraft is used for commercial purposes - is leased or rented out.

91.409.(b) ... no person may operate an aircraft for hire and no person may give give instruction for hire in an aircraft which that person provides, unless within the preceeding 100 hours of time in service the aircraft has received an annual or 100-hour inspection...

So if the annual has been performed, life is good.
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Not "leased or rented out." You left out important language from your extract:

==============================
91.409(b) Except as provided in paragraph (c) of this section, no person may operate an aircraft carrying any person (other than a crewmember) for hire, and no person may give flight instruction for hire in an aircraft which that person provides...
==============================

Renting or leasing an aircraft is not carrying a person for hire. You need a 100 hour for paid flight instruction (if the instructor provides the aircraft) or if carrying passengers for hire. That's all.
 
AdamZ said:
My understanding is that if a plane owner rents or leases a plane to a pilot or pilots no 100 hour inspection is needed. However if the same owner rents it to pilots and gives them instruction in the plane then a 100 hour inspection is needed. Is that correct?
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That's correct (assuming we're not talking about a paid passenger operation*).

(*and keeping it simple by not getting into the myriad "what is compensation" issues)
 
murphey said:
Perhaps you're confusing the "annual inspection" with the 100 hour rule? 100 hours if the aircraft is used for commercial purposes - is leased or rented out.

91.409.(b) ... no person may operate an aircraft for hire and no person may give give instruction for hire in an aircraft which that person provides, unless within the preceeding 100 hours of time in service the aircraft has received an annual or 100-hour inspection...

So if the annual has been performed, life is good.
Click to expand...

midlifeflyer said:
Not "leased or rented out." You left out important language from your extract:

==============================
91.409(b) Except as provided in paragraph (c) of this section, no person may operate an aircraft carrying any person (other than a crewmember) for hire, and no person may give flight instruction for hire in an aircraft which that person provides...
==============================

Renting or leasing an aircraft is not carrying a person for hire. You need a 100 hour for paid flight instruction (if the instructor provides the aircraft) or if carrying passengers for hire. That's all.
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Thanks Mark that what I thought!
 
Rotor&Wing said:
The AD's themselves don't necessitate the 100 hour inspection, but there are some AD's that are required at 100 hour intervals.
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...and unlike 100-hour inspections, there's no 10-hour grace period for those AD's, for which 100 hours means 100 hours and not a minute over. Folks running aircraft in operations requiring 100-hour inspections have been tripped up on that before.

For example, if you're a flight school using a Grumman subject to the 100-hour aileron inspection, and the airplane ends up somewhere else when 100 hours since the last 100-hour inspection and AD inspection were accomplished, that airplane is stuck where it is until the AD inspection is done. However, assuming the last 100-hour wasn't done late, the 100-hour inspection can be delayed up to 10 hours to get the plane home.
91.409(b) said:
The 100-hour limitation may be exceeded by not more than 10 hours while en route to reach a place where the inspection can be done. The excess time used to reach a place where the inspection can be done must be included in computing the next 100 hours of time in service.
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There is a way around all that 100 / annual mess.
 
TMetzinger said:
Are you referring to a progressive inspection program?

Doesn't help with the AD's, does it?
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Yes it really does, because any A&P can comply with ADs, and if they are due before the next phase you do them while the aircraft is in for maintenance and the A&P-IA only needs to supervise the progressive which is basically review the paper work and see the aircraft is being maintained IAW the Progressive schedule.

A&Ps and A&P-IAs love them, because it is the easy way to renew their IA ships every year.
 
Tom-D said:
Yes it really does, because any A&P can comply with ADs, and if they are due before the next phase you do them while the aircraft is in for maintenance and the A&P-IA only needs to supervise the progressive which is basically review the paper work and see the aircraft is being maintained IAW the Progressive schedule.

A&Ps and A&P-IAs love them, because it is the easy way to renew their IA ships every year.
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I was thinking Experimental class! :D
 
airguy said:
I was thinking Experimental class! :D
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At the risk of starting a 200 page thread, doesn't your letter of limitation require the inspector to comply with FAR 43.D ?
Can your aircraft be safe to operate with out complying with the ADs?
 
Quick question, what if the airplane is used ALSO for hire or flight instruction, in addition to just flying around.
Do you need to do the 100 hour inspection every 100 hours? every 100 hire/instruction hours?

Here's another one, what if the plane flies 99 hours a year, do you do the annual, then fly an hour, then do the 100 hour inspection?
 
gil_mor said:
Quick question, what if the airplane is used ALSO for hire or flight instruction, in addition to just flying around.
Do you need to do the 100 hour inspection every 100 hours? every 100 hire/instruction hours?

Here's another one, what if the plane flies 99 hours a year, do you do the annual, then fly an hour, then do the 100 hour inspection?
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An annual re-sets the clock for the 100 hour.

only the hours used as "for hire" are computed for the 100 hour.
 
If you fly 100 hours or more per year, you could place your aircraft on a progressive inspection and use the 25/50/75/100 hour cycle given by the manufacturer in their manual, and do a segment of the cycle every 3 months and compete the cycle once each 100 hours and never be down more than 1 day each 3 months.
 
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