# NTSB LAX68D0176: Mooney M21, N6691U, Grand Canyon, AZ, October 15, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 15, 1967
- Place: Grand Canyon, AZ · GRAND CANYON, AZ
- Location: 36.0544° N, 112.1393° W: Placed by OpenAirDocs: center of Grand Canyon, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0544&lon=-112.1393&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report December 29, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 113215
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX68D0176
- Page: https://openairdocs.org/ntsb/LAX68D0176

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3675  67/10/15   UNKNOWN/NOT REPORTEDMOONEY M21          CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 550
        TIME - 1400                    N6691U              PX-  0  0  4  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 48 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           PILOT IN COMMAND - FAILED TO ABORT TAKEOFF
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
```

## Aircraft

- Registration: [N6691U](https://openairdocs.org/aircraft/N6691U), registered now, S/N 2418, built 1963 (OpenAirDocs)
- Reported make and model: MOONEY M21
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (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

## Other investigations on N6691U (1)

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.

- [NTSB LAX68D0289](https://openairdocs.org/ntsb/LAX68D0289), Jan 27, 1968: Mooney M20C (N6691U), Phoenix, AZ, 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.

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