Instrument IQ — March/April 2017

Avatar for John MontgomeryBy John Montgomery | March 9, 2017

Estimated reading time 2 minutes, 54 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:

Prince Rupert, B.C. (CYPR)

Instrument IQ test

Click the question to see the answer

1) What are the equipment requirements needed to conduct this approach?
An ILS, DME, and ADF to fly the missed approach procedure.

2) Is a straight-in approach depicted within this procedure? If so, via what means?
Yes, via the AGPAL Transition. Note the “No PT 1400” authorizing the straight-in approach.

3) You are established at 2,500 ASL inbound on the localizer and planning a localizer approach. At what point should you initiate descent on the Constant Descent Final Approach (CDFA)?
7.5 DME from DME source located at IPR. Note the highlighted info in the table.

4) How is the missed approach point determined when conducting the LOC/DME approach?
4) 0.1 DME.

5) What would be your considerations if conducting a circling procedure for RWY 31 with an IAS of 100 knots?
You are a Category B aircraft, and must remain within 1.5 NM of the thresholds and circle west of extended centreline as depicted in the plan view.

6) Calculate the alternate minima for an aircraft conducting the LOC/DME approach to a planned straight-in landing on RWY 13.
800 feet and 2 miles visibility.

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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