TBM Loss Puts Renewed Focus on Hypoxia
Pilot became unresponsive after reporting an unspecified problem and asking for a descent
The TBM900 that crashed on a Rochester, N.Y., to Naples, Fla., flight was the aircraft on display at Sun ’n’ Fun in April.
The TBM900 that crashed on a Rochester, N.Y., to Naples, Fla., flight was the aircraft on display at Sun ’n’ Fun in April.

Two months after the September 5 crash off the coast of Jamaica of TBM N900KN, with two people on board, depressurization and the danger of hypoxia have drawn renewed attention, even though–and perhaps because–the pilot’s actions after he reported an unspecified problem to ATC appear inconsistent with recommended procedures for loss of pressurization.