Ryan ST3KR N59466
26 August 1989 · Hawthorne, California, United States · Minor injuries
Summary
On 26 August 1989 at about 19:26 local time, a Ryan ST3KR registered N59466 was involved in an accident near Hawthorne, California, United States. 2 people were on board and 2 had minor injuries. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 19:26
- Classification
- Accident
- Location
- Hawthorne, California, United States
- Nearest airport
- Hawthorne Muni (HHR)
- Coordinates
- 33.9097, -118.3401
- Aircraft
- Ryan ST3KR
- Registration
- N59466
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX89LA288
People
2 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 2 | 0 |
Probable cause
OIL STARVATION OF THE ENGINE DUE TO THE PILOT'S FAILURE TO TURN THE OIL TANK SUPPLY VALVE ON PRIOR TO FLIGHT.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
IN THE TRAFFIC PATTERN DURING AN AIRSHOW THE ENGINE BEGAN TO RUN ROUGH AND THE PILOT DETECTED A HOT OIL SMELL. SHORTLY THEREAFTER, THE ENGINE SEIZED AND THE PILOT LANDED SHORT OF THE RUNWAY IN A GRADED CONSTRUCTION AREA. AN FAA INSPECTOR MONITORING THE AIRSHOW ARRIVED IMMEDIATELY AFTER THE ACCIDENT AND FOUND THE PROPER QUANTITY OF OIL IN THE TANK AND NOTED THE OIL WAS COLD TO THE TOUCH. DETAILED EXAMINATION OF THE ENGINE REVEALED EXTENSIVE HEAT SIGNATURES, GALLING OF THE FRONT BEARING AND METAL PARTICLES DISTRIBUTED IN THE OIL SUMP; ALL CHARACTERISTICS OF OIL STARVATION. THE OIL PASSAGES AND OIL PUMP WERE NORMAL. EXAMINATION OF THE OIL TANK REVEALED THAT IT WAS EQUIPPED WITH AN OIL SHUT OFF VALVE. THE VALVE IS NORMALLY TURNED OFF AFTER EVERY FLIGHT. THE PILOT STATED THAT HE IS SURE HE TURNED THE VALVE ON PRIOR TO THE FLIGHT, HOWEVER, THE POSITION OF THE VALVE WAS NOT DOCUMENTED AT THE ACCIDENT SITE AND THE PRE IMPACT POSITION COULD NOT BE ESTABLISHED WITH CERTAINTY.
Quoted verbatim from the NTSB record.
Other Ryan ST3KR accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 3 Sep 1987 | Ryan ST3KR | Springdale, Arkansas, United States | - | No injuries | - |
| 13 Jul 1987 | Ryan ST3KR | Firebaugh, California, United States | - | Fatal | 2 |
| 7 Sep 1987 | Ryan ST3KR | Aguila, Arizona, United States | McDonald, James E. | Minor injuries | - |
| 16 Jun 1991 | Ryan ST3KR | Santa Maria, California, United States | Sullivan, Michael D. | No injuries | - |
| 26 Feb 1986 | Ryan ST3KR | Camarillo, California, United States | Stephen K. Freeman | No injuries | - |
| 14 Jul 1985 | Ryan ST3KR (PT-22) | Hondo, Texas, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 15 Sep 1989 | Piper PA-31-350 | Ontario, California, United States | Ameriflight | Fatal | 1 |
| 26 Sep 1989 | Piper PA-25-235 | Warner Springs, California, United States | - | No injuries | - |
| 19 Sep 1989 | Cessna 310K | Ojai, California, United States | - | Fatal | 2 |
| 30 Sep 1989 | Cessna 182 | Eureka, California, United States | Nothern Air | No injuries | - |
| 30 Sep 1989 | Cessna 152 | Lancaster, California, United States | West Coast Air Center | Fatal | 2 |
| 29 Sep 1989 | Bellanca 17-30A | Palo Alto, California, United States | Klouda, Linda K. | Minor injuries | - |