← All explained questions · Supplemental · IV — Takeoffs, Landings, and Go-Arounds
A forward slip to a landing is used primarily to
Choices
increase airspeed quickly during a go-around.
Slips DECREASE efficiency, they don't accelerate the airplane.
✓ lose excess altitude on final approach without gaining airspeed, by using cross-controlled inputs.correct
A forward slip loses excess altitude without gaining airspeed by cross-controlling (rudder one way, opposite aileron) to increase drag. A forward slip lowers the airplane on a steep descent path without speed buildup. Use opposite rudder to yaw the nose, opposite-direction aileron to maintain ground track. The high drag from the misaligned fuselage allows steep descent at safe IAS — useful when too high on final or to clear an obstacle.
compensate for a tailwind on takeoff.
Tailwind on takeoff requires turning into wind, not slipping.
shorten the takeoff roll on a short field.
Slips are a landing/descent tool, not a takeoff tool.
Why
A forward slip loses excess altitude without gaining airspeed by cross-controlling (rudder one way, opposite aileron) to increase drag. A forward slip lowers the airplane on a steep descent path without speed buildup. Use opposite rudder to yaw the nose, opposite-direction aileron to maintain ground track. The high drag from the misaligned fuselage allows steep descent at safe IAS — useful when too high on final or to clear an obstacle.
FAA source: AFH Ch 9 — Slips; AFH Chapter 9 — Approaches and Landingsbrowse the reference library →
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Original study question written for this course — representative of FAA knowledge-test topics, not an actual current FAA exam question. Reviewed by a panel of three CFIs + AI review.