ANC79DAG47

NTSB accident investigation · Brittnorman BN-2A · St Mary'S, AK · April 2, 1979

Accident · No injuriesClosed
Date
April 2, 1979
Place
St Mary'S, AK · ST MARY'S, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N37MNBrittnorman BN-2A
Status
Completed · report June 21, 1979
Report
Brief approved by the director
Case key
137052

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
----------------------------------------------------------------------------------------------------------------------------
3-0973   79/4/2  NR.ST MARY'S,AK       BRITTNORMAN BN-2A   CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, FL.INSTR.,
        TIME - 2230                    N37MN               PX-  0  0  0  FERRY                     AGE 24, 3645 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1400 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ST.MARY'S
        DEPARTURE POINT             INTENDED DESTINATION
          NOME,AK                     ST.MARY'S,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: ROLL
        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
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           TERRAIN - ROUGH/UNEVEN
           WEATHER - CONDITIONS CONDUCIVE TO CARB./INDUCTION SYSTEM ICING
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 2 ENGINES
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN/LOWER SCATTERED                                    4500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     140
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           25                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- 0 TO 1 DEGREE TEMP/DEW POINT SPREAD FORECASTED ALONG ROUTE OF FLT.

Aircraft

Registration
N37MN
Reported as
Brittnorman BN-2A
Category
Airplane
Engine
reciprocating
Damage
Substantial damage
Airport
St.Mary'S