ANC74FAA10

NTSB accident investigation · Aeronca S7BCM · Birch Lake, AK · September 17, 1973

Accident · No injuriesClosed
Date
September 17, 1973
Place
Birch Lake, AK · BIRCH LAKE, AK
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N85009Aeronca S7BCM
Status
Completed · report December 13, 1973
Report
Brief approved by the director
FAA report
19730917034209A
Case key
188229

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
----------------------------------------------------------------------------------------------------------------------------
3-3204  73/9/17    BIRCH LAKE,ALAS     AERONCA S7BCM       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 222
        TIME - 2020                    N85009              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BLAIR LAKE,ALAS             BIRCH LAKE,ALAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
          PILOT IN COMMAND - MISREAD ALTIMETER
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           TERRAIN - GLASSY WATER
           MISCELLANEOUS ACTS,CONDITIONS - AIRCRAFT CAME TO REST IN WATER
        REMARKS- FLOATS.ACFT NOT EQUIPPED FOR NIGHT OPS.

Aircraft

Registration
N85009
Reported as
Aeronca S7BCM
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.