# NTSB UNK65X1104: Ryan ST-3KR, N579S, Lubbock, TX, December 23, 1964

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: December 23, 1964
- Place: Lubbock, TX · LUBBOCK, TX
- Location: 33.5779° N, 101.8552° W: Placed by OpenAirDocs: center of Lubbock, TX, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.5779&lon=-101.8552&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report January 27, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 180658
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X1104
- Page: https://openairdocs.org/ntsb/UNK65X1104

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0853  64/12/23   LUBBOCK TEXAS       RYAN ST-3KR         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 32, 2500
        TIME - 1620                    N579S               PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 35 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           STALL: SPIRAL                                            LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
          PWR PLT-BOTH MAGS-BURND POINTS AND CORRODED LEADS.
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           WEATHER - OBSTRUCTIONS TO VISION
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                     UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          3 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          BLOWING SAND                                              78
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
```

## Aircraft

- Registration: [N579S](https://openairdocs.org/deregistered/N579S-1995-02-14), registration cancelled 1995-02-14, S/N 2062 (OpenAirDocs)
- Reported make and model: RYAN ST-3KR
- Registry model: [Ryan Aeronautical ST3KR](https://openairdocs.org/model/ryan-aeronautical-st3kr) (registry code 7830502) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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