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SEA91LA067

1991-03-16 · AURORA, Oregon, United States · None · 1 aircraft · Status: Completed

Airport 3S2

N69CK has since been reassigned. It is now registered to a different aircraft (GULFSTREAM AEROSPACE GV-SP (G550), built 2004), which was not involved in this event.

Aircraft involved

Probable cause & findings

A LOSS OF ENGINE POWER DUE TO FUEL STARVATION BECAUSE OF AN INADEQUATE COMPONENT AND INADEQUATE FUEL SYSTEM DESIGN.

Factual narrative

THE PILOT OF THE AMATEUR-BUILT OSPREY II AMPHIBIAN COLLIDED WITH TREES AFTER THE AIRCRAFT SUSTAINED A POWER LOSS. THE ELECTRIC AUTOMOTIVE-TYPE BOOST PUMP WAS KNOWN TO SUSTAIN A PRESSURE DROP FROM 6 PSI TO .5 PSI AFTER THREE MINUTES OF OPERATION. THAT PUMP WAS USED TO PUMP FUEL FROM THE FUSELAGE TANKS TO THE PEDESTAL-MOUNTED ENGINE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_SEA91LA067.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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External sources are reported, not agency: signal that something happened, not fact about what happened.

Related research

Matched on aircraft type or causal vocabulary (fuel starvation). All research papers