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Accident description
Last updated: 19 October 2017
Status:Final
Date:Wednesday 17 July 1985
Time:18:10
Type:Silhouette image of generic CV99 model; specific model in this crash may look slightly different
Convair CV-990-30A-5 Coronado
Operator:NASA
Registration: N712NA
C/n / msn: 30-10-37
First flight: 1961
Total airframe hrs:12104
Cycles:4974
Engines: 4 General Electric CJ805-23B
Crew:Fatalities: 0 / Occupants: 4
Passengers:Fatalities: 0 / Occupants: 15
Total:Fatalities: 0 / Occupants: 19
Airplane damage: Damaged beyond repair
Location:Riverside-March AFB, CA (RIV) (   United States of America)
Phase: Takeoff (TOF)
Nature:Survey/research
Departure airport:Riverside-March AFB, CA (RIV/KRIV), United States of America
Destination airport:Riverside-March AFB, CA (RIV/KRIV), United States of America
Narrative:
The Convair suffered a blown tire during takeoff at a speed of around 140 knots (Vr=154 kts). The runway 32 takeoff was rejected immediately. The captain tried to clear the runway but brought the aircraft to a stop when hearing about a fire on the right hand side.

Probable Cause:

PROBABLE CAUSE: "The NASA Aircraft Accident Investigation Board determined that the probable cause of the accident was the nearly simultaneous failure of the two front tires on the right main landing gear at a critical time during the takeoff roll. These failures resulted in the pilot's decision to reject the takeoff.
Contributing to the severity of the accident was an intense fire fed by leakage from the puncture of a right-wing fuel tank forward of the right main gear; the puncture occurred during the intentional extended rollout of the aircraft."

Sources:
» NASA TM-100189


Photos

photo of Convair CV-990-30A-5 N712NA
photo of Convair CV-990-30A-5 N712NA
photo of Convair CV-990-30A-5 N712NA
photo of Convair CV-990-30A-5 N712NA
photo of Convair CV-990-30A-5 N712NA
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