1994-04-08: Helio 295 — Wright Air Service, Inc. — Manley Hot Sprg, AK

Casualties unknown • Manley Hot Sprg, AK, US

Probable cause

FUEL STARVATION CAUSED BY A BLOCKED FUEL VENT LINE. A FACTOR IN THE ACCIDENT WAS THE IMPROPER AIRCRAFT PREFLIGHT.

— NTSB Determination

Accident narrative

DURING CRUISE FLIGHT IN SNOW SHOWERS THE ENGINE SUDDENLY LOST POWER. SUBSEQUENT EXAMINATION OF THE PLANE BY COMPANY MAINTENANCE PERSONNEL REVEALED THAT THE FUEL VENT TUBE LOCATED ON TOP OF THE LEFT WING HAD BEEN BENT BACK ALLOWING SNOW TO BECOME IMPACTED THROUGH THE CURVE OF THE LINE. THIS WOULD RESULT IN FUEL STARVATION TO THE ENGINE.

Frequently asked questions

What happened in the 1994-04-08 Helio 295 accident near Manley Hot Sprg, AK?

DURING CRUISE FLIGHT IN SNOW SHOWERS THE ENGINE SUDDENLY LOST POWER. SUBSEQUENT EXAMINATION OF THE PLANE BY COMPANY MAINTENANCE PERSONNEL REVEALED THAT THE FUEL VENT TUBE LOCATED ON TOP OF THE LEFT WING HAD BEEN BENT BACK ALLOWING SNOW TO BECOME IMPACTED THROUGH THE CURVE OF THE LINE. THIS WOULD RESULT IN FUEL…

What aircraft was involved and where did it happen?

The accident on 1994-04-08 involved a Helio 295, registration N42DC, operated by Wright Air Service, Inc., at Manley Hot Sprg, AK.

What was the probable cause of the accident?

FUEL STARVATION CAUSED BY A BLOCKED FUEL VENT LINE. A FACTOR IN THE ACCIDENT WAS THE IMPROPER AIRCRAFT PREFLIGHT.

Investigation report by the U.S. National Transportation Safety Board (NTSB) historical archive. Original record: https://carol.ntsb.gov/event/20001206X01018. This page is a structured re-presentation; facts and quotes are in the National Transportation Safety Board (NTSB), United States.

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