CPL Instrument Flight Rules and Procedures Flashcards
6 cards from real CPL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CPL Instrument Flight Rules and Procedures flashcards as text
Under IFR, what is the minimum visibility required for a commercial pilot to commence an instrument approach to a runway with a standard 200-ft decision height (CAT I ILS)?
Answer: 1/2 statute mile
CAT I ILS approaches require at least 1/2 statute mile (2,400 RVR) visibility for a 200-ft decision height under FAR 91.175.
When flying IFR in controlled airspace, what is the minimum fuel reserve required beyond the destination airport under FAR Part 91?
Answer: 45 minutes at normal cruise
FAR 91.167 requires IFR flight to carry enough fuel to fly to the destination, then to the alternate, and then for 45 minutes at normal cruise speed.
What does the term 'decision altitude (DA)' refer to during an instrument approach?
Answer: The altitude at which the pilot must begin the missed approach if visual reference is not established
Decision altitude (DA) is the point during a precision approach where the pilot must initiate a missed approach if the required visual references are not in sight.
An aircraft is cleared for a standard instrument departure (SID). The SID procedure requires a minimum climb gradient of 300 ft/NM. At a groundspeed of 120 knots, what is the minimum required rate of climb in feet per minute?
Answer: 600 fpm
Rate of climb (fpm) = gradient (ft/NM) × groundspeed (NM/min); 300 × (120/60) = 300 × 2 = 600 fpm.
Under IFR, when is an alternate airport required to be filed in a flight plan?
Answer: When the forecast at the destination, from 1 hour before to 1 hour after ETA, is less than 2,000-ft ceiling or 3 SM visibility
FAR 91.169 requires an alternate when the destination forecast within ±1 hour of ETA does not meet the 2,000/3 rule (2,000-ft ceiling and 3 SM visibility).
What is the purpose of the Minimum Enroute Altitude (MEA) on an IFR chart?
Answer: It guarantees terrain/obstruction clearance and navigational signal reception along the entire route segment
The MEA ensures both obstacle clearance (1,000 ft in non-mountainous, 2,000 ft in mountainous) and acceptable navigation signal reception along the entire airway segment.