SEA71DTA24

NTSB accident investigation · Piper PA-11 · Alzada, MT · June 16, 1971

Accident · No injuriesClosed
Date
June 16, 1971
Place
Alzada, MT · ALZADA, MT
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N4986HPiper PA-11
Status
Completed · report February 14, 1972
Report
Brief approved by the director
Case key
161943

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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
----------------------------------------------------------------------------------------------------------------------------
3-2066  71/6/16    ALZADA,MONT         PIPER PA-11         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 1200
        TIME - 1030                    N4986H              PX-  0  0  0  BUSINESS                  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - FOSTER
        DEPARTURE POINT             INTENDED DESTINATION
          ALZADA,MONT                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: TREES                                     TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND 20K GUSTING.STRIP 60FT WIDE,TREES BOTH SIDES.

Aircraft

Registration
N4986H
Reported as
Piper PA-11
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
Foster

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.