# NTSB CHI71FGD22: Mitsubishi MU-2B, N549LK, Northfield, OH, October 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 13, 1970
- Place: Northfield, OH · NORTHFIELD, OH
- Location: 41.3389° N, 81.5268° W: Placed by OpenAirDocs: center of Northfield, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.3389&lon=-81.5268&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor, 2 uninjured
- Status: Completed, report May 5, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 178901
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71FGD22
- Page: https://openairdocs.org/ntsb/CHI71FGD22

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2926  70/10/13   NORTHFIELD,OHIO     MITSUBISHI MU-2B    CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 33, 7244
        TIME - 1620                    N549LK              PX-  0  0  3  CORP/EXEC                 TOTAL HOURS, 995 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NORTHFIELD
        DEPARTURE POINT             INTENDED DESTINATION
          S                           CLEVELAND,OHIO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SOFT RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - FAILED TO USE ALL AVAILABLE RUNWAY
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- ALL RWYS MUDDY.BEGAN T/O ROLL 690 FT SHORT OF DEP END DUE MUD.92 FT TREES ABOUT 60 FT FROM RWY END
```

## Aircraft

- Registration: [N549LK](https://openairdocs.org/deregistered/N549LK-1970-12-21), registration cancelled 1970-12-21, S/N 022, built 1967 (OpenAirDocs)
- Reported make and model: MITSUBISHI MU-2B
- Registry model: [Mitsubishi MU-2B](https://openairdocs.org/model/mitsubishi-mu-2b) (registry code 5780404) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Northfield

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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