# NTSB DEN67A0075: Mooney M20F, N9578M, Longmont, CO, June 2, 1967

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 2, 1967
- Place: Longmont, CO · LONGMONT, CO
- Location: 40.1682° N, 105.1005° W: Placed by OpenAirDocs: center of Longmont, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1682&lon=-105.1005&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 5, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 116820
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN67A0075
- Page: https://openairdocs.org/ntsb/DEN67A0075

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0331   67/6/2    LONGMONT,COLO       MOONEY M20F         CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1412                    N9578M              PX-  0  0  0  DUAL                      AGE 32, 5400 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            2400 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL: SPIN                                              LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      72
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          360                                                       9
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- TYPE CHECK-OUT FLT.
```

## Aircraft

- Registration: [N9578M](https://openairdocs.org/deregistered/N9578M-1970-09-09), registration cancelled 1970-09-09, S/N 670155, built 1966 (OpenAirDocs)
- Reported make and model: MOONEY M20F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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