# NTSB ANC79DAG47: Brittnorman BN-2A, N37MN, St Mary'S, AK, April 2, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 2, 1979
- Place: St Mary'S, AK · ST MARY'S, AK
- Location: 62.0531° N, 163.1658° W: Placed by OpenAirDocs: center of St. Mary's, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.0531&lon=-163.1658&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 21, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137052
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79DAG47
- Page: https://openairdocs.org/ntsb/ANC79DAG47

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 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 (not matched to a registry record)
- Reported make and model: BRITTNORMAN BN-2A
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: St.Mary'S

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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