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- At such a low groundspeed, the tail rotor is required to produce nearly 100% of the directional control. The pilot likely did not adequately account for the helicopter’s low airspeed when he applied power to go around, which resulted in a sudden, uncommanded right yaw due to LTE.
www.ntsb.gov/Advocacy/safety-alerts/Documents/SA-062.pdf
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Feb 16, 2022 · Loss of tail rotor effectiveness (LTE) is an unstable dynamic phenomenon that affects single-rotor helicopters and frequently leads to accidents. LTE accidents recur with troubling...
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The helicopter community has been plagued during the latest forty years by accidents due to unanticipated yaw, also called Loss of Tail rotor Effectiveness (LTE). How the problem was identified and what answers were given are first reconstructed from period documents and Airbus experience.
Sep 28, 2015 · Yes, it is possible to make an emergency landing in a helicopter should a tail rotor failure occur. The procedure is that same as that of a engine failure and it's called an autorotative landing. Essentially a powerless helicopter becomes an autogyro (gyrocopter) in flight and can be flown as such.
Loss of tail-rotor effectiveness (LTE)[1] occurs when the tail rotor of a helicopter is exposed to wind forces that prevent it from carrying out its function—that of cancelling the torque of the engine and transmission. Any low-airspeed high-power environment provides an opportunity for it to occur.
Nov 1, 2003 · Reports on a research study which examined the nature and extent of helicopter tail rotor failures, investigated the techniques and technologies that might be employed to reduce their occurrence and/or mitigate their consequences, reviewed the existing emergency procedures and handling advice, surveyed current pilot training practice and ...
May 30, 2024 · LTE results in an uncontrollable yawing motion, which can lead to a loss of helicopter control and a possible LoC-I accident.
Pushing her left pedal down, a pilot causes the tail rotor to increase thrust and turn (yaw) the helicopter nose left. Pushing the right pedal decreases thrust (and can even create thrust in the opposite direction), which turns the nose right.
