# NTSB MKC77FER30: Mooney M20-F, N9378V, Lake Elmo, MN, April 9, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 9, 1977
- Place: Lake Elmo, MN · LAKE ELMO, MN
- Location: 44.9879° N, 92.9097° W: Placed by OpenAirDocs: center of Lake Elmo, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.9879&lon=-92.9097&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 29, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157983
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FER30
- Page: https://openairdocs.org/ntsb/MKC77FER30

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0973   77/4/9    LAKE ELMO,MN        MOONEY M20-F        CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1600                    N9378V              PX-  0  0  0  DUAL                      AGE 40, 1650 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            425 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - LAKE ELMO
        DEPARTURE POINT             INTENDED DESTINATION
          SOUTH SAINT PAUL,MN         LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           DUAL STUDENT - MISJUDGED DISTANCE AND ALTITUDE
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N9378V](https://openairdocs.org/aircraft/N9378V), registered now, S/N 700016, built 1969 (OpenAirDocs)
- Reported make and model: MOONEY M20-F
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Registry engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Lake Elmo

## 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 19770409011909A](https://openairdocs.org/incident/19770409011909A), Apr 9, 1977: Mooney M20F, Lake Elmo, MN, 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.