# NTSB UNK65X0992: Ryan ST3KR, N88717, Altus, OK, December 12, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 12, 1964
- Place: Altus, OK · ALTUS, OK
- Location: 34.6571° N, 99.3090° W: Placed by OpenAirDocs: center of Altus, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.6571&lon=-99.3090&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report March 19, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 186041
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0992
- Page: https://openairdocs.org/ntsb/UNK65X0992

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0934  64/12/12   ALTUS OKLA          RYAN ST3KR          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 28, 4500
        TIME - 1600                    N88717              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ALTUS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
```

## Aircraft

- Registration: [N88717](https://openairdocs.org/deregistered/N88717-2012-08-22), registration cancelled 2012-08-22, S/N 1433, built 1959 (OpenAirDocs)
- Reported make and model: RYAN ST3KR
- Registry model: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Altus

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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