Originally Posted by
kenparry
Another unrelated but relevant aspect is that helicopters also produce a wake that can be dangerous to light aircraft. A former student of mine died in an accident at Oxford when his SEP encountered the wake of a large helicopter (S61?) in the hover near the threshold.It was about 30 years ago, but I have been unable to find any details online.
12 July 1992, CSE PA-28 Cadet and Bristow S-61N.
Report on the accident to Piper PA-28-161 Cadet, G-BPJT at Oxford Airport, Kidlington on 12 July 1992