SH.VIII.I.K1c
KnowledgeExhibits knowledge of the elements related to ground resonance by describing:
Landing surface
From the FAA library
- Chapter 5: Aerodynamics of Flight › Ground Effect
This is due to the air that is trapped between the wing and the landing surface, as if there were an air cushion. This phenomenon is called ground effect. When an aircraft in flight comes within several feet…
- Chapter 11: Helicopter Emergencies and Hazards › Autorotation › Common Errors
weight is placed on the landing carriage, slowing the helicopter; however, this is dependent on the condition of the landing surface. One common error is the holding of the helicopter off the surface, versus cushioning it onto the surface during ... contacting the tail boom. The rotor rpm should be used to cushion the helicopter on to the surface for a controlled, smooth landing instead of allowing the helicopter to drop the last few inches. Common Errors 1. Not understanding…
- Glossary › Pilot’s Operating Handbook/Airplane Flight Manual
drag and induced drag. Touchdown zone elevation (TDZE). The highest elevation in the first 3,000 feet of the landing surface, TDZE is indicated on the instrument approach procedure chart when straight-in landing minimums are authorized. Touchdown zone lights…
- Chapter 11: Helicopter Emergencies and Hazards › Autorotation › Technique (How to Practice)
weight is placed on the landing carriage, slowing the helicopter; however, this is dependent on the condition of the landing surface…
- Chapter 11: Helicopter Emergencies and Hazards › Ground Resonance
something like 122°, 122°, and 116° between blades. [Figure 11-4] When another part of the landing gear strikes the surface, the unbalanced condition could be further aggravated…
- Chapter 9: Approaches and Landings › Final Approach › Wrong Surface Landing Avoidance
excessive rate of descent or a low altitude stall. It is possible for either or both to occur. Wrong Surface Landing Avoidance A wrong surface landing occurs when an aircraft lands or tries to land on the wrong runway ... driven by GPS, and these devices should increase situational awareness and safety. If there is a doubt over the landing surface, the pilot should go around and consider the situation further…