I’d never heard until yesterday that the difference in operation of the articicial horizon versus what he was used to did him in. I mean GEEZ, know you damn plane...
...The board determines that the probable cause of this accident was the pilot’s unwise decision to embark on a flight which would necessitate flying solely by instruments when he was not properly certificated or qualified to do so.
Contributing factors were serious deficiencies in the weather briefing, and the pilot’s unfamiliarity with the instrument which determines the attitude of the aircraft...