SEA91LA199

1991-08-02 · W. YELLOWSTONE, Montana, United States · None · 1 aircraft · Status: Completed

Aircraft involved

N757PR Cessna C-152 None

Probable cause & findings

THE FAILURE BY THE PILOT TO CALCULATE AIRCRAFT FUEL COMSUMPTION AND THE PILOT'S POOR INFLIGHT PLANNING. FACTORS RELATING TO THE ACCIDENT WERE THE INADEQUATE PREFLIGHT PLANNING BY THE PILOT, HIS LACK OF QUALIFICATION AND EXPERIENCE, AND HIS DISORIENTATION DURING THE FLIGHT.

Factual narrative

THE PILOT BECAME LOST/DISORIENTED ON A X-COUNTRY FLT WHEN HE FLEW OFF HIS AVAILABLE MAPS. HE DID NOT CALCULATE FUEL CONSUMPTION, BELIEVED HE WAS LOW ON FUEL AND ELECTED TO MAKE A PRECAUTIONARY LANDING ON A PUBLIC ROAD. THE ACFT STRUCK A SIGN ON LANDING ROLL, SWERVED RIGHT AND IMPACTED A GUARD RAIL. ABOUT 9 GALS OF FUEL WAS DRAINED FROM THE 26 GALS CAPACITY FUEL TANKS AFTER THE ACCIDENT. THE STU PILOT DID NOT HAVE A REQUIRED INSTR ENDORSEMENT FOR THE FLT. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_SEA91LA199.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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