NTSB Identification: DEN86LA037.
The docket is stored on NTSB microfiche number 30656.
Accident occurred Sunday, December 01, 1985 in FORT COLLINS, CO
Aircraft: GRUMMAN AA-5A, registration: N991OU
Injuries: 3 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
THE PLT STATED THAT DURING TAKEOFF ROLL THE ACFT USED OVER TWICE THE NORMAL DISTANCE TO RWY TO BECOME AIRBORNE. AFTER BECOMING AIRBORNE, THE STALL WARNING SOUNDED, AND CONTINUED TO SOUND UNTIL THE FORCED LANDING WHEN THE PLT SAID HE COULDNOT MAINTAIN ALT. THE ACFT CONTACTED A ROAD SIGN APRX 1/2 MILE FROM THE RWY, PRIOR TO TOUCHDOWN ON THE HIGHWAY MEDIAN, AND LATER COMING TO REST OFF A HIGHWAY EXIT. THE ENTIRE SURFACE OF THE WINGS AND HORIZONTAL STABILIZER WERE COVERED WITHROUGH ICE WHICH THE PLT STATED HE DID NOT ATTEMPT TO REMOVE PRIOR TO FLT. THE PLT ALSO STATED THAT THE ICE ON THE SURFACE OF THE AIRFOILS HAD NO BEARING ON THE ACCIDENT.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ICE/FROST REMOVAL FROM AIRCRAFT..NOT PERFORMED..PILOT IN COMMAND
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