Instrument IQ — October/November 2020

Avatar for John MontgomeryBy John Montgomery | September 25, 2020

Estimated reading time 3 minutes, 16 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:

Winnipeg Manitoba (CYWG)


Instrument IQ test

Click the question to see the answer

1. What is the runway length of RWY 13, and is it equipped with a high intensity approach lighting system (HIAL)?
LDA is 8,841 feet and yes, “AN” infers HIAL.

2. How many transitions for a straight in approach are indicated, and your aircraft must be ____ equipped to fly them?
Two transitions, AVSUN and KEPGA are indicated, and the aircraft must be equipped with an IFR-certified GPS to fly them. 

3. What minimum ceiling and visibility would be required to achieve the required visual reference when planning to land on RWY 13, and is this RWY RVR equipped?
Ceiling of 200, and visibility ½ SM or RVR value of 2,600 feet. Yes, this runway is RVR equipped.

4. What would be your course of action upon arrival over MUSIB in the missed approach if further clearance has not been received in advance?
 Hold as published at 3,000 feet via either an offset or parallel entry. 

5. With a groundspeed of 120 knots, you should target a sink rate of ____ FPM to fly the descent profile.
635 FPM. Interpolate between 110 and 130 sink rate numbers. 

6. How many NM back from the ZWN NDB are protected for the procedure turn in the event of completing a full procedure approach?
Note the comment, “Procedure turn LEFT within 8 NM of ZWN NDB.” 

7. Calculate the alternate minima if planning to carry CYWG as your alternate to a planned landing on RWY 13 via this approach?
600 and 2 via a valid CYWG TAF. 

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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