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Posted: 2/3/2020 1:03:01 AM EDT
Hopefully this hasn't been posted before. King County Sheriffs helicopter on a high altitude mission had a loss of tail rotor effectiveness event and contacted terrain but recovered. Flew it back with a dangling left skid and landed it on pallets.
 Police Helicopter Loss of Tail Rotor Effectiveness & Collision With Terrain (HD) |
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Posted: 2/3/2020 2:06:03 AM EDT
[#1]
Brass balls..!! |
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Posted: 2/3/2020 9:00:44 AM EDT
[#2]
H model UH-1s were never blessed with an abundance of tail rotor thrust.
Outfit one like that, load it up, take it over 7,000’ PA in mountainous terrain, slow below ETL out of ground effect and it can get very sporty very quickly. But nice job of them to not panic and get the aircraft home safely once they had crashed yet found themselves still flying. |
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Posted: 2/3/2020 4:29:08 PM EDT
[#3]
Watched that video a while back. Happened pretty quick. Scary.
Pilot did a good job not allowing it to become an aluminum pancake. |
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Posted: 2/3/2020 8:12:31 PM EDT
[#4]
What causes loss of tail rotor authority? I didn't realize it was a "can come and go" thing. Then again, I'm not a pilot. I thought it happened when you lost power to the tail rotor (which is obviously not coming back), but was not aware of other situations.
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Posted: 2/3/2020 8:22:14 PM EDT
[#5]
I just don’t think I could risk anyone’s life to set it down on the pallets like that. If that chopper had rolled over those two guys would have been hamburger meat.
Personally, I’d have evacuated everyone, burned gas to empty and put her on her side leaving me as the PIC to suffer the consequences. |
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Posted: 2/3/2020 10:56:39 PM EDT
[#6]
You know, I've been flying helicopters for years now, but I appreciated this reminder to reread FAA AC 90-95 for the umpteenth time. In the windy winter Northeast, while hover taxiing in 15 gust 25 conditions, or landing with a similar left crosswind, in a small helicopter, and thinking you are "all that", it's always good to remind yourself that this shit can bite you no matter how good your footwork is.
I really try to avoid a left crosswind on landing. |
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Posted: 2/3/2020 11:07:36 PM EDT
[#7]
Quote HistoryQuoted:
What causes loss of tail rotor authority? I didn't realize it was a "can come and go" thing. Then again, I'm not a pilot. I thought it happened when you lost power to the tail rotor (which is obviously not coming back), but was not aware of other situations. https://en.wikipedia.org/wiki/Loss_of_tail-rotor_effectiveness |
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Posted: 2/4/2020 8:13:59 AM EDT
[#8]
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