Procedure Vs. Technique

If youre lucky, youve gotten some of your aviation education from an instructor with extensive real-world experience. One CFI who fits that description-having flown freight, charter, airline and corporate without ever giving up teaching in the 35 years hes had his certificate-likes to remind students of the difference between procedure and technique. The former is what you have to do; the latter is how you choose to go about doing it. Before landing, for example, a constant-speed prop should be moved to its full-forward high-rpm setting to prepare for a possible go-around. Whether its done after turning final, on base or immediately after reducing power on downwind is entirely at the pilots discretion, provided it gets done. Reasonable arguments can be made for each alternative.

Editorial Staff

Wednesday, February 21, 2018 at 12:00 AM ET

Verified

Key Takeaways:

The 180-degree power-off spot landing, a required maneuver for commercial and CFI certificates, distinguishes between mandatory procedures (e.g., touching down within 200 feet of a point) and flexible techniques (e.g., timing of gear/prop deployment), emphasizing that it's a performance demonstration of energy management, not a simulated emergency.
Diverse techniques exist for this maneuver, with debates over when to extend the landing gear and set prop RPM, each having unique advantages and drawbacks depending on the aircraft, weight, wind, and density altitude.
Mastering the power-off landing requires extensive practice and experimentation to develop a personalized technique that effectively manages aircraft energy for specific conditions, as no single method is universally optimal, while still consistently meeting Airman Certification Standards.

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If you’re lucky, you’ve gotten some of your aviation education from an instructor with extensive real-world experience. One CFI who fits that description—having flown freight, charter, airline and corporate without ever giving up teaching in the 35 years he’s had his certificate—likes to remind students of the difference between procedure and technique. The former is what you have to do; the latter is how you choose to go about doing it. Before landing, for example, a constant-speed prop should be moved to its full-forward high-rpm setting to prepare for a possible go-around. Whether it’s done after turning final, on base or immediately after reducing power on downwind is entirely at the pilot’s discretion, provided it gets done. Reasonable arguments can be made for each alternative.

For whatever reason, this distinction tends to get lost teaching and testing certain maneuvers. One example is the 180-degree power-off spot landing, part of the practical tests for commercial and flight instructor certificates in single-engine airplanes. The goal is straightforward enough: Having chosen a point on the runway (e.g., “the departure end of the second stripe”), pull the power to idle abeam it on downwind and touch down on centerline no more than 200 feet beyond (but not short, which is an automatic bust). The written test standards say very little about how to accomplish this miracle (see “May” or “Shall”, below). However, a good many instructors and at least a few DPEs invest their preferred methods with an inviolability that approaches dogma. Some prefer lowering the gear before the initial power reduction and advancing the prop just after. Others insist on leaving the gear up until the runway’s made; some even set the prop to low rpm to minimize drag.