Originally Posted by
gulliBell
The data points in that ALT/GS plot are odd. Going from 60 kts to 160 kts, and then zero kts, in the space of a few minutes...there must be 60+ kts worth of tail wind as the UH-1H typically only does 100 kts IAS. With a turn into wind followed by a turn downwind again. And all those altitude changes. Makes you wonder what they might have been doing, must have been a wild ride.
Perhaps a Pitot / Static system fault?