Instrument IQ — June/July 2019

Avatar for John MontgomeryBy John Montgomery | June 6, 2019

Estimated reading time 2 minutes, 40 seconds.


Test your instrument flight rules (IFR) proficiency and sharpen your piloting skills with this exclusive Skies feature! Examine the following approach plate and take your best shot at the accompanying questions:



Instrument IQ test

Click the question to see the answer

1.Your aircraft is equipped with an IFR certified GPS. The QX NDB is U/S. Are you legal to complete this approach?
Yes, this approach is designed as a GPS overlay and this approach can legally be flown solely with GPS guidance. .

2.You are on final approach at 2,200 ASL and are planning to do the CDFA (constant descent final approach). The active waypoint on the GPS is QX. How far back from QX should descent to MDA be initiated?
2 NM. Refer to approach profile and table provided below plan view. 

3.What ceiling and visibility would give you the required visual reference to successfully complete the landing?
400 and 1 SM (RVR 5000).

4.The Safe Altitude 100 NM is published as 3,800 ASL. This will provide ______ feet of obstacle clearance and is based upon 100 NM from ______.
 1,500; the geographic centre of the aerodrome. 

5.What should be your course of action in the event of a missed approach and arrival over the QX NDB prior to receiving further clearance? Hold entry?
Hold as published; Offset entry. 

John Montgomery is the founder and president of Professional Flight Centre in Delta, B.C., which was established in 1986. A 12,000-hour ATPL pilot and Multi IFR instructor, John also specializes in ground school and seminar instruction. John can be reached at

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  1. Avatar for John Montgomery
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  1. I was looking for the answers to the AprilMay Skies magazine IFR skills test, but couldn’t find them here. Are they no longer available or is it my internet skills that are the problem!?! Thanks for taking the time to do these tests, btw, I like how you have the answers come up when clicking the questions.

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