PPRuNe Forums - View Single Post - Lack of lubrication certification for helicopter gearboxes
Old 28th Jul 2017, 11:49
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JohnDixson
 
Join Date: Mar 2007
Location: Hobe Sound, Florida
Posts: 950
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Megan, the story re the machine ( 1965 or 66 ) was that it was a few minutes. I found the following link for a later incident, which quoted 2 minutes:

https://www.vhpa.org/KIA/incident/700217101ACD.HTM
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