1990-04-21: Avions Mudry CAP10B — University OF North Dakota

1990-04-21: Avions Mudry CAP10B — University OF North Dakota — Grand Forks, ND

Casualties unknown • Grand Forks, ND, US

Probable cause

AN OVER TEMPERATURE OF THE INLET FUEL LINE RESULTING IN FUEL STARVATION (VAPOR LOCK) IN THE FUEL INJECTION SYSTEM. A FACTOR IN THE ACCIDENT WAS THE LACK OF A SUITABLE LANDING AREA.

— NTSB Determination

Accident narrative

N64UV SUSTAINED SUBSTANTIAL DAMAGE DURING AN EMERGENCY LANDING, IN A FIELD NEAR THE GRAND FORKS INTERNATIONAL AIRPORT, NORTH DAKOTA. DURING FINAL APPROACH TO LANDING, THE AIRCRAFT ENGINE SUDDENLY STOPPED. THE INSTRUCTOR TOOK OVER THE CONTROLS. HE SAID THE ENGINE DID NOT RESTART AND HE WAS FORCED TO LAND ON AN UNSUITABLE LANDING SURFACE. DURING THE LANDING ROLL THE AIRCRAFT NOSED OVER. INSPECTION OF THE ENGINE INDICATED THAT THE POER LOSS WAS DUE TO VAPOR LOCK IN THE INLET FUEL LINE TO THE ELECTRIC BOOST PUMP. SUBSEQUENT ENGINE TEST RUN WAS SUCCESSFUL.

Frequently asked questions

What happened in the 1990-04-21 Avions Mudry CAP10B accident near Grand Forks, ND?

What aircraft was involved and where did it happen?

The accident on 1990-04-21 involved a Avions Mudry CAP10B, registration N64UV, operated by University OF North Dakota, at Grand Forks, ND.

What was the probable cause of the accident?