Originally Posted by
S-Works
So am I. And an Examiner.
So then you know that having the pressurisation controller set at 500 feet above the airfield elevation of departure would mean once the aircraft was descending towards SL and below 500 feet give or take variations in local pressure altitude that the hull should be de-pressurized below 500 feet or have very little pressure remaining in the hull, bar the squat switch not being activated as the gear was probably up for the ditching would leave a very minor positive pressure in the hull.
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