# NTSB NYC74AN088: Mooney M20C, N78990, Dorset, VT, April 15, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 15, 1974
- Place: Dorset, VT · DORSET, VT
- Location: 43.2605° N, 73.1084° W: Placed by OpenAirDocs: center of Dorset, VT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2605&lon=-73.1084&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report May 31, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186105
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74AN088
- Page: https://openairdocs.org/ntsb/NYC74AN088

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1031  74/4/15    DORSET,VT           MOONEY M20C         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 43, 348
        TIME - 1339                    N78990              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 332 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          GLENS FALLS,NY              PORTLAND,ME
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: OTHER
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED FLIGHT INTO KNOWN AREAS OF SEVERE TURBULENCE
           WEATHER - DOWNDRAFT,UPDRAFTS
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           SYSTEMS - ANTI-ICING,DE-ICING SYSTEMS: WING ANTI-ICING,DE-ICING SYSTEMS
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  2500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          UNKNOWN/NOT REPORTED                                      44
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          240                                                       15
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      IFR
        REMARKS- PLT RCVD SVR TURBC FCST AND ICING COND RPTS FOR RTE OF FLT.ATC RCVD MAYDAY LVG 5000 TSMN.
```

## Aircraft

- Registration: [N78990](https://openairdocs.org/deregistered/N78990-1974-06-20), registration cancelled 1974-06-20, S/N 2024 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- 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 19740415011629A](https://openairdocs.org/incident/19740415011629A), Apr 15, 1974: Mooney M20C, Dorset, VT, Destroyed, 3 fatal. Plt rcvd svr turbc fcst and icing cond rpts for rte of flt.ATC rcvd mayday lvg 5000 tsmn.

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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