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How can you determine that an aircraft airworthy if the inop inst or equip not among the required?

Asked by: 3113 views
Aircraft Systems, Commercial Pilot, FAA Regulations, Flight Instructor, General Aviation, Instrument Rating, Private Pilot, Student Pilot

We all know the instruments and equipments required for the VFR and IFR flights. My question is: how can we determine if an aircraft is airworthy if an instrument or equipment found INOP during the pref-light and there is no Minimum Equipment List (MEL)?

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4 Answers

  1. Kris Kortokrax on Oct 13, 2013

    See 91.213(d)

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  2. Wes Beard on Oct 13, 2013

    91.213(d) is only part of the solution.

    Everything that was originally installed on the airplane when it was certified is required for the airplane to be airworthy. The propeller spinner on a C-182 is not required equipment but the prop spinner is required on a Piper Cherokee (it may be the other way around… I don’t remember anymore). The point is you can legally takeoff without a propeller spinner in a C-182 but you cannot in a Piper Cherokee.

    Everything that was on the airplane when it was certified is listed in the equipment list. Each part number is listed with a “-R” meaning required equipment. You cannot takeoff without that equipment unless you have a ferry permit.

    The equipment list has shows equipment that is standard (but not required), optional (able to replace required or standard equipment without an STC) and additional equipment.

    How do you know if the inoperative equipment can be placarded inop or removed per 91.213(d)? Find the equipment list and if it is not required you can follow the guidance in 91.213(d).

    The regulations require some equipment be operative in flight per 91.205 and some equipment to be inoperative and still be on the airplane per 91.213.

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  3. Kris Kortokrax on Oct 13, 2013

    91.213(d) is the solution. It directs the reader to the documents that need to be checked.

    If you believed that he couldn’t read 91.213 and that you needed to elaborate on the equipment list, you probably should have gone into airworthiness directives and Kinds of Operations lists as well.

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  4. Mark Kolber on Oct 14, 2013

    I’m with Kris on this. The solution is 91.213(d) since it leads you to everything you need for the answer. Everything Wes listed, and more, is discussed in 91.213(d).

    My question back to Lion is this: you start by saying “we know all the instruments and equipment required…” Do you? What are they? Where do you find them? (People who know me know I’m sniffing for the bad odor of smoldering red fruit.)

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