SEA76FYE21

NTSB accident investigation · Amer Avco AA1-B · Oak Harbor, WA · November 8, 1975

Accident · Serious injuriesClosed
Date
November 8, 1975
Place
Oak Harbor, WA · OAK HARBOR, WA
Injuries
1 serious, 1 minor
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N9687LAmer Avco AA1-B
Status
Completed · report December 18, 1975
Report
Brief approved by the director
FAA report
19751108037349A
Case key
151859

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
----------------------------------------------------------------------------------------------------------------------------
3-3423   75/11/8   OAK HARBOR,WA       AMER AVCO AA1-B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 255
        TIME - 1918                    N9687L              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 42 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCHE HARBOR,WA             OAK HARBOR,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - ANTI-ICING/DEICING EQUIPMENT-IMPROPER OPERATION OF/OR FAILED TO USE
           MISCELLANEOUS ACTS,CONDITIONS - ICE-CARBURETOR
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    1400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                      SNOW, FREEZING RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          UNKNOWN/NOT REPORTED                                      42
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       7
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FLT THROUGH SNOW SHOWERS.ONLY PARTIAL APPLICATION OF CARB HEAT AFTER PWR LOSS.

Aircraft

Registration
N9687L
Reported as
Amer Avco AA1-B
Category
Airplane
Engine
reciprocating
Damage
Substantial damage

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.