# NTSB HAY76AL042: Mitsubishi MU-2B, N133MA, Rollinsville, CO, December 26, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 26, 1975
- Place: Rollinsville, CO · ROLLINSVILLE, CO
- Location: 39.9232° N, 105.5135° W: Placed by OpenAirDocs: center of Rollinsville, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9232&lon=-105.5135&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 9 fatal
- Status: Completed, report August 18, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 152094
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=HAY76AL042
- Page: https://openairdocs.org/ntsb/HAY76AL042

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4167  75/12/26 NR.ROLLINSVILLE,CO    MITSUBISHI MU-2B    CR-  1  0  0  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1449                    N133MA              PX-  8  0  0  AIR TAXI-PASSG            33, 3885 TOTAL HOURS, 307
                                       DAMAGE-DESTROYED    OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DENVER,CO.                  GRANBY,CO.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DISREGARD OF GOOD OPERATING PRACTICE
           TERRAIN - HIGH OBSTRUCTIONS
           WEATHER - LOW CEILING
           WEATHER - SNOW
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - WEATHER CONSIDERABLY WORSE THAN FORECAST
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               10400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                     SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       28
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          300                                                       11
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- RECOVERY DATE 12/28/75.
```

## Aircraft

- Registration: [N133MA](https://openairdocs.org/deregistered/N133MA-1976-02-19), registration cancelled 1976-02-19, S/N 506, built 1969 (OpenAirDocs)
- Reported make and model: MITSUBISHI MU-2B
- Registry model: [Mitsubishi MU-2B-30](https://openairdocs.org/model/mitsubishi-mu-2b-30) (registry code 5780410) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed

## 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 19751226040869A](https://openairdocs.org/incident/19751226040869A), Dec 26, 1975: Mtsbsi MU2B30, CO, Destroyed, 8 fatal

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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