# NTSB CHI81FA051: Mitsubishi MU-2B, N9JS, Alpena, MI, April 23, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 23, 1981
- Place: Alpena, MI · ALPENA, MI
- Location: 45.0740° N, 83.4429° W: Placed by OpenAirDocs: center of Alpena, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.0740&lon=-83.4429&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 3 fatal
- Status: Completed, report September 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125164
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FA051
- Page: https://openairdocs.org/ntsb/CHI81FA051

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1907  81/4/23    ALPENA,MI           MITSUBISHI MU-2B    CR-  1  0  0  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 0247                    N9JS                PX-  2  0  0  CORP/EXEC                 63, 16776 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - PHELPS-COLLINS
        DEPARTURE POINT             INTENDED DESTINATION
          LA CROSSE,WI                ALPENA,MI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          SMOKE                                                     40
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          130                                                       14
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- ILS RWY36 APCH,CRASHED 1.6MI SHORT OF RWY.
```

## Aircraft

- Registration: N9JS (not matched to a registry record)
- Reported make and model: MITSUBISHI MU-2B
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Phelps-Collins

## FAA reports on this event (1)

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

- [Accident 19810423018349A](https://openairdocs.org/incident/19810423018349A), Apr 23, 1981: Mtsbsi MU2B20, Alpena, MI, Destroyed, 2 fatal. Aircraft crashed during instrument approach in IMC. Within one and one-half miles from 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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