- Date
- January 21, 1974
- Place
- Cooperstown, ND · COOPERSTOWN, ND
- Injuries
- 2 uninjured
- Damage
- Substantial damage
- Phase of flight
- Takeoff
- Aircraft
- N9990LAmer Avco AA1-B
- Status
- Completed · report April 2, 1974
- Report
- Brief approved by the director
- FAA report
- 19740121002749A
- Case key
- 187004
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-0269 74/1/21 COOPERSTOWN,N DAK AMER AVCO AA1-B CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR., TIME - 1025 N9990L PX- 0 0 0 DUAL AGE 27, 1233 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 488 IN TYPE, INSTRUMENT RATED. NAME OF AIRPORT - COOPERSTOWN DEPARTURE POINT INTENDED DESTINATION LAST ENROUTE STOP VALLEY CITY,N DAK FARGO,N DAK COOPERSTOWN,N DAK TYPE OF ACCIDENT PHASE OF OPERATION GROUND-WATER LOOP-SWERVE TAKEOFF: RUN COLLIDED WITH: SNOWBANK TAKEOFF: RUN PROBABLE CAUSE(S) DUAL STUDENT - FAILED TO MAINTAIN DIRECTIONAL CONTROL PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT FACTOR(S) AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW WINDROWS REMARKS- SIMULATED SOFT FLD TKOF L GR HIT DRIFTED SNOW ON L SIDE OF RWY.ACFT IN DEEP SNOW BFR IP GAINED CTL
Aircraft
- Registration
- N9990L
- Reported as
- Amer Avco AA1-B
- Category
- Airplane
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Cooperstown
N9990LRegistration cancelled Feb 5, 1981 · Grumman American Avn. AA-1BAirframe modelGrumman American Avn. AA-1B
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.