Instrument IQ – March/April 2016

By John Montgomery | August 30, 2016

Estimated reading time 2 minutes, 6 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 March April 2016

1)    The SAFE ALT 100 NM provides for ____ obstacle clearance in this area and is based upon which geographical reference?

2)      You are established on the 17 DME ARC. The aerodrome surface temp is -10C. What is the minimum altitude that should be flown?

3)      The glide path is U/S by NOTAM and you are conducting the LOC/DME approach. To achieve the required visual reference to land, you would need a minimum ceiling of ___ and an advisory visibility of ____.

4)      You are flying this LOC/DME approach via the DME ARC. You are now established on final and have a groundspeed of 130 knots.- At what point should you commence descent out of 2100 feet and what should be your target sink rate to fly a CFDA (continuous descent final approach)?

5)      How would the missed approach point be identified on the LOC/DME approach?

6)      What is the clearance limit of this approach, and what should be the appropriate course of action upon arrival if further clearance is not received prior to fix passage?

For answers, click here.

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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