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Quiz: 6 Questions To Test Your On Knowledge On IFR Aircraft Requirements

Boldmethod

Make sure you're flying an airworthy airplane...


  1. 1) You and a friend are in your Cessna 182 sitting on the ramp prior to taxiing. You haven't done a VOR check in 30 days, so you do a ground VOR test before taxiing. What is the tolerance for a ground VOR test?

    When conducting a VOR ground test, the CDI must read within +/- 4 degrees of the selected radial, otherwise, your VOR is considered not suitable for IFR flight.

    When conducting a VOR ground test, the CDI must read within +/- 4 degrees of the selected radial, otherwise, your VOR is considered not suitable for IFR flight.

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  2. 2) You're taxiing out to the runway when you notice the clock next to your instrument panel has stopped working. Both you and your friend have wrist watches if you ended up needing to reference the time during the flight. Can you continue with the flight?

    The clock that is a part of the required equipment for IFR flight refers to a clock that is installed in the airplane. It cannot be from an external source such as a wrist watch or a smartphone.

    The clock that is a part of the required equipment for IFR flight refers to a clock that is installed in the airplane. It cannot be from an external source such as a wrist watch or a smartphone.

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  3. 3) Your transponder was inspected and tested on April 24th, 2019. What date will the inspection period lapse on the transponder for IFR flight?

    The transponder needs to be checked every 24 calendar months. So, starting May 1st, 2021 the airplane would no longer be able to fly under IFR.

    The transponder needs to be checked every 24 calendar months. So, starting May 1st, 2021 the airplane would no longer be able to fly under IFR.

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  4. 4) You are flying an old King Air 350 (equipped with DME) up to FL260 along a victor airway. Passing FL250 in VMC, the DME becomes unreliable. What do you do?

    FAR 91.205(e) states that you must have a reliable DME or suitable RNAV system that is operable if you plan to fly above FL240 on an airway using a VOR. However, if it becomes inoperative at these altitudes, you need to tell ATC but you can continue along your route above FL240 to a place where repairs can be made.

    FAR 91.205(e) states that you must have a reliable DME or suitable RNAV system that is operable if you plan to fly above FL240 on an airway using a VOR. However, if it becomes inoperative at these altitudes, you need to tell ATC but you can continue along your route above FL240 to a place where repairs can be made.

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  5. 5) You are performing an instrument cockpit check while taxiing to the runway. During your turns, you notice the inclinometer isn't moving. Does this need to be operative for you to takeoff into IMC?

    Under FAR 91.205 (d)(4), the inclinometer or 'ball' is required to be operative for IFR flight.

    Under FAR 91.205 (d)(4), the inclinometer or 'ball' is required to be operative for IFR flight.

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  6. 6) Looking in your maintenance books, you can see that the last time the pitot-static system was checked was on January 16th, 2017. Today's date is April 24th, 2019. Are you good to go?

    The pitot-static's 24 calendar month system check has expired. Starting February 1st, 2019 the system would have needed to be rechecked. 

    The pitot-static's 24 calendar month system check has expired. Starting February 1st, 2019 the system would have needed to be rechecked. 

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Corey Komarec

Corey is an Embraer 175 First Officer for a large regional airline. He graduated as an aviation major from the University of North Dakota, and he's been flying since he was 16. You can reach him at corey@boldmethod.com.

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