# NTSB ANC79IA073: Brittnorman BN-2A, N31MN, Tin City, AK, July 25, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: July 25, 1979
- Place: Tin City, AK · TIN CITY, AK
- Location: 65.5586° N, 167.9481° W: Placed by OpenAirDocs: center of Tin City, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=65.5586&lon=-167.9481&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report March 28, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133859
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC79IA073
- Page: https://openairdocs.org/ntsb/ANC79IA073

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0020  79/7/25    TIN CITY,AK         BRITTNORMAN BN-2A   CR-  0  0  1  SCHED DOM PASSG SRV       COMMERCIAL, AGE 36, 8040
        TIME - 1230                    N31MN               PX-  0  0  3                            TOTAL HOURS, 4110 IN
                                       DAMAGE-MINOR        OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - TIN CITY
        OPERATOR - MUNTZ NORTHERN AIRLINES
        DEPARTURE POINT             INTENDED DESTINATION
          NOME,AK                     TIN CITY,AK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - FAILED TO INITIATE GO-AROUND
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        WEATHER BRIEFING - OTHER
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          FOG                                                      170
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           22                                                      IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- WX BRIEFING BY RADIO W NON-FAA FAC.WND GUSTING 26KTS.UN VISUAL APCH INTO WND.
```

## Aircraft

- Registration: N31MN (not matched to a registry record)
- Reported make and model: BRITTNORMAN BN-2A
- Category: Airplane
- Engines: reciprocating
- Damage: Minor damage
- Airport: Tin City

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19790725021989I](https://openairdocs.org/incident/19790725021989I), Jul 25, 1979: Bnorm BN2, Tin City, AK, Substantial damage. Landed downwind. Unable to stop on runway, ground looped airplane off side of runway.

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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