Instrument IQ — May/June 2017

Avatar for John MontgomeryBy John Montgomery | May 3, 2017

Estimated reading time 3 minutes, 15 seconds.

SHARPEN YOUR IFR SKILLS

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:

Fort McMurray, A.B. (CYPR)
RNAV (GNSS) Z RWY 25 APPROACH

Instrument IQ test

Click the question to see the answer

1) What minimum ceiling and visibility would be required to establish the required visual reference to land straight in via the LPV approach?
 A minimum ceiling of 300 feet and visibility of 1 SM.

2) As above, but circling for RWY 07 with an IAS of 125 knots.
 A minimum ceiling of 600 feet and visibility of 2 SM. At this speed we are a Category C aircraft. 

3) Is RWY 25 RVR equipped?
 Negative, there is no RVR value in the minima box.

Spoiler title
 Yes, since this runway is not RVR equipped there is no general aviation approach ban in place. 

5) You are at 4,000 feet ASL established on the inbound track of the approach between OTRIL and DUSEG. You are planning to conduct the LNAV approach as you are not WAAS equipped and are planning to do the CDFA approach. The active waypoint is DUSEG. How many nautical miles back from DUSEG should the descent be initiated?
3.8 NM back from DUSEG is effectively 8.6 back from RW25. This is where the descent on the 3.0 degree glidepath should be initiated. 

6) What should be your course of action upon reaching VIKTU in a missed approach, prior to receiving further clearance to proceed beyond? Hold entry?
Hold as published at VIKTU; an offset entry would work best. 

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 john@proifr.com.

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