DEN84FA071
1984-01-18 · CASPER, Wyoming, United States · None · 1 aircraft · Status: Completed
Airport CPR
Aircraft involved
Factual narrative
THE PLT STATED HE WAS TOLD, THE R AUX FUEL PUMP WAS INOP & TO PRIME/START THE R ENG, HE HAD TO POSITION THE R FUEL SELECTOR (SEL) TO X-FEED. ON THE 1ST 2 LEGS OF THE FLT, HE USED THIS PROCEDURE, BUT NOTED THE R FUEL SEL WAS HARD TO MOVE. WHILE STARTING FOR THE 3RD LEG, HE WAS UNABLE TO MOVE THE R FUEL SEL TO X-FEED & GOT A MECHANIC TO MANUALLY REPOSITION THE SEL IN THE WING. THE MECHANIC RECOMMENDED REPAIRING THE ACFT BEFORE FLT. HOWEVER, THE PLT ELECTED TO LEAVE THE R SEL IN X-FEED & CONTINUE. IN FLT, BOTH ENGS USED FUEL FROM THE LEFT SIDE. DURING DESCENT, BOTH ENGS LOST POWER. SUBSEQUENTLY, THE PLT MADE A FORCED LANDING ON UNEVEN TERRAIN & THE GEAR COLLAPSED AFTER X-ING A DEPRESSION. AN EXAM REVEALED THE L MAIN & AUX TANKS WERE AT OR NEAR EMPTY, THE NACELLE & R AUX TANKS WERE FULL & THE R MAIN TANK WAS RUPTURED. THE PLT WAS UNAWARE THAT HE COULD HAVE X-FED FUEL FROM THE R TANKS TO THE L ENG. FUEL FROM THE NACELLE TANK MUST BE TRANSFERRED TO THE MAIN TANK TO BE USED. UNUSED FUEL/VAPOR FROM THE ENGS ARE ROUTED TO THE RESPECTIVE MAIN TANK. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12
Verbatim from NTSB's published report. Source file
NTSB_1984_DEN84FA071.txt.
Findings + structured fields enriched from FAA avall.mdb.
Full investigation docket on
data.ntsb.gov ↗.
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