# NTSB ANC69A0021: Aero Comdr 680, N401M, Tin City, AK, October 12, 1968

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 12, 1968
- 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: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 2 serious
- Status: Completed, report July 22, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 192144
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC69A0021
- Page: https://openairdocs.org/ntsb/ANC69A0021

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4735  68/10/12   TIN CITY,ALAS       AERO COMDR 680      CR-  0  1  0  COMMERCIAL                COMMERCIAL, AGE 34, 5219
        TIME - 1110                    N401M               PX-  0  1  0  AIR TAXI-PASSG            TOTAL HOURS, 1897 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - TIN CITY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: RUN
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           MISCELLANEOUS ACTS,CONDITIONS - CARBON DEPOSITS
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- WITNESSES STATED RT ENG BACKFIRED.PLT CONT T/O,CLIMBED AT STEEP ATTITUDE.2 PREVIOUS T/O ABORTED.
```

## Aircraft

- Registration: [N401M](https://openairdocs.org/deregistered/N401M-1970-06-26), registration cancelled 1970-06-26, S/N 680-338-31, built 1956 (OpenAirDocs)
- Reported make and model: AERO COMDR 680
- Registry model: [Aero Commander 680](https://openairdocs.org/model/aero-commander-680) (registry code 0141602) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Tin City

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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