Cessna 177RG N2069Q
17 November 1989 · Van Nuys, California, United States · Serious injuries
Summary
On 17 November 1989 at about 23:00 local time, a Cessna 177RG registered N2069Q, operated by William A. Ryan, was involved in an accident near Van Nuys, California, United States. 2 people were on board and one was seriously injured, one 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 23:00
- Classification
- Accident
- Location
- Van Nuys, California, United States
- Coordinates
- 34.1908, -118.4898
- Aircraft
- Cessna 177RG
- Registration
- N2069Q
- Category
- Airplane
- Engines
- 1
- Operator
- William A. Ryan
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX90LA035
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 1 | 1 | 0 |
Probable cause
THE INCORRECT INSTALLATION OF THE ENGINE COWL AND BAFFLE SEALS DURING THE INSTALLATION OF THE ENGINE FOLLOWING AN OVERHAUL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
NEAR THE END OF THE FIRST FLIGHT FOLLOWING INSTALLATION OF AN OVERHAULED ENGINE, THE ENGINE SIEZED AFTER THE PILOT NOTICED A RAPID DROP IN OIL PRESSURE. AFTER THE ACCIDENT, THE LEFT SIDE LOWER EXTERIOR FUSELAGE WAS FOUND TO BE COVERED WITH FRESH OIL, WITH THE OIL SMEAR ORIGINATING NEAR THE OIL BREATHER LINE. THE ENGINE COWL BAFFLE SEALS WERE FOUND INSTALLED INCORRECTLY. LESS THAN 1 QUART OF OIL WAS FOUND IN THE ENGINE SUMP. ON THE EXTERNAL REAR SIDES OF THE #3 & #4 CYLINDER BARRELS, AN OVAL AREA OF HEAT DISTRESS WAS NOTED. THE CRANKSHAFT & PISTON RODS EXHIBITED PROGRESSIVE HEAT DISTRESS ON ALL ROD BEARINGS AND CRANKSHAFT JOURNALS, WITH THE #1 ROD EXHIBITING THE LEAST HEAT SIGNATURES & THE #4 THE MOST SEVERE. THE #3 ROD CAP WAS FOUND LOOSE IN THE ENGINE; EXAMINATION OF THE CAP BOLTS REVEALED SEVERE NECKING SIGNATURES AT THE POINT OF TENSION FAILURE. A MICROMETER WAS USED TO MEASURE THE CYLINDER BARRELS FOR ROUNDNESS. THE #3 CYL WAS FOUND TO BE OUTSIDE THE FACTORY SPEC BY .002 INCHES.
Quoted verbatim from the NTSB record.
Other Cessna 177 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 9 Jul 1989 | Cessna 177A | Akron, New York, United States | - | Minor injuries | - |
| 19 May 1989 | Cessna 177B | Harrah, Oklahoma, United States | Advance Meat Co., Inc. | No injuries | - |
| 27 May 1989 | Cessna 177 | Indian Trail, North Carolina, United States | Ronald Stiles | Serious injuries | - |
| 4 Jul 1989 | Cessna 177 | Stuart, Florida, United States | - | Fatal | 1 |
| 14 Aug 1989 | Cessna 177RG | Janice, Mississippi, United States | - | Fatal | 2 |
| 6 Aug 1989 | Cessna 177B | Fort Gaines, Georgia, United States | - | No injuries | - |
All 1,744 records for this type
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 | - |