# NTSB MKC70FDD11: Mooney M20G, N3640N, Forbes, ND, April 4, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 4, 1970
- Place: Forbes, ND · FORBES, ND
- Location: 45.9425° N, 98.7820° W: Placed by OpenAirDocs: center of Forbes, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.9425&lon=-98.7820&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report January 5, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 128301
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC70FDD11
- Page: https://openairdocs.org/ntsb/MKC70FDD11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1593   70/4/4    FORBES,N DAK        MOONEY M20G         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 27, 114
        TIME - 1620                    N3640N              PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 23 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BISMARCK,N DAK              FORBES,N DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - SELECTED UNSUITABLE TERRAIN
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
           MISCELLANEOUS ACTS,CONDITIONS - PREMATURE FLAP RETRACTION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        REMARKS- PWR LINE ACROSS ROAD.FLEW UNDER WIRES,RETRACTED FLAPS,ACFT SETTLED TO GRND NOSE HI ATTITUDE.
```

## Aircraft

- Registration: [N3640N](https://openairdocs.org/aircraft/N3640N), registered now, S/N 680021 (OpenAirDocs)
- Reported make and model: MOONEY M20G
- Registry model: [Mooney M-20G](https://openairdocs.org/model/mooney-m-20g) (registry code 5870216) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
