# NTSB FTW77FA042: Mooney MK-21, N6440Q, El Reno, OK, March 14, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 14, 1977
- Place: El Reno, OK · EL RENO, OK
- Location: 35.5323° N, 97.9550° W: Placed by OpenAirDocs: center of El Reno, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5323&lon=-97.9550&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report July 21, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157905
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW77FA042
- Page: https://openairdocs.org/ntsb/FTW77FA042

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1265  77/3/14  NR.EL RENO,OK         MOONEY MK-21        CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1949                    N6440Q              PX-  0  0  0  DUAL                      AGE 39, 470 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            10 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - MUSTANG FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          BETHANY,OK                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
         FIRE AFTER IMPACT
        REMARKS- HIT GUY WIRE ON POWER POLE SEVEN TENTHS MILE SHORT OF RUNWAY
```

## Aircraft

- Registration: [N6440Q](https://openairdocs.org/deregistered/N6440Q-1977-09-01), registration cancelled 1977-09-01, S/N 670519 (OpenAirDocs)
- Reported make and model: MOONEY MK-21
- Registry model: [Mooney M20F](https://openairdocs.org/model/mooney-m20f) (registry code 5870214) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Mustang Field

## 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 19770314018039A](https://openairdocs.org/incident/19770314018039A), Mar 14, 1977: Mooney M20F, El Reno, OK, Destroyed. Hit guy wire on power pole seven tenths mile short of runway

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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