# NTSB DEN73DQA34: Grumman G-164A, N4398, Clayton, NM, March 31, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 31, 1973
- Place: Clayton, NM · CLAYTON, NM
- Location: 36.4460° N, 103.1489° W: Placed by OpenAirDocs: center of Clayton, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.4460&lon=-103.1489&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 5, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170621
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN73DQA34
- Page: https://openairdocs.org/ntsb/DEN73DQA34

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0873  73/3/31    CLAYTON,N MEX       GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 34, 5070
        TIME - 1520                    N4398               PX-  0  0  0  ASSOC FIRE CTL ACTIVITY   TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CLAYTON MUNI
        DEPARTURE POINT
          CLAYTON,N MEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: SNOW ON RUNWAY
        REMARKS- ARPT HAD 6IN OF SNOW ON THE LEVEL WITH DRIFTED SNOW FM 3 TO 4 FT IN HEIGHT.
```

## Aircraft

- Registration: [N4398](https://openairdocs.org/deregistered/N4398-2005-04-04), registration cancelled 2005-04-04, S/N 1047, built 1973 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman Acft ENG Cor-Schweizer G-164A](https://openairdocs.org/model/grumman-acft-eng-cor-schweizer-g-164a) (registry code 3952801) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Clayton Muni

## 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 19730331007539A](https://openairdocs.org/incident/19730331007539A), Mar 31, 1973: Gulstm G164A, Clayton, NM, Substantial damage. Arpt had 6IN of snow on the level with drifted snow fm 3 to 4 ft in height.

## Other investigations on N4398 (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 FTW80DPG21](https://openairdocs.org/ntsb/FTW80DPG21), Apr 11, 1980: Grumman G-164A (N4398), Scott, AR, 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.