Mooney M20E N9462V
17 September 1989 · Brenham, Texas, United States · Minor injuries
Summary
On 17 September 1989 at about 16:54 local time, a Mooney M20E registered N9462V, operated by Hall, David W., was involved in an accident near Brenham, Texas, 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 16:54
- Classification
- Accident
- Location
- Brenham, Texas, United States
- Coordinates
- 30.1492, -96.3897
- Aircraft
- Mooney M20E
- Registration
- N9462V
- Category
- Airplane
- Engines
- 1
- Operator
- Hall, David W.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Porter → Pecos
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- FTW89LA167
People
2 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 2 | 0 |
Probable cause
IMPROPER MAINTENANCE, IMPROPERLY SECURED OIL LINE TO THE PROPELLER GOVERNOR, FAILURE OF THE PROPELLER GOVERNOR OIL LINE, AND SUBSEQUENT LOSS OF OIL, WHICH RESULTED IN OIL EXHAUSTION. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF MAINTENANCE PERSONNEL TO FOLLOW THE SERVICE BULLETIN/INSTRUCTION, AND THE TREE AND ROUGH TERRAIN IN THE EMERGENCY LANDING AREA.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
DURING CRUISE AT 6500 FT, OIL APPEARED ON THE WINDSCREEN. FORWARD VISIBILITY WAS SOON RESTRICTED & SEVERE VIBRATIONS PROMPTED THE PLT TO SECURE THE ENG. SUBSEQUENTLY, THE ACFT WAS DMGD WHEN IT HIT A SMALL TREE & ENCTRD UNEVEN TERRAIN DRG A FORCED LNDG. INV REVEALED A 90 DEG ALUMINUM FITTING ON THE PROP GOVERNOR OIL LINE HAD FAILED WHERE IT ENTERED THE ENG CASE. THE OIL LINE WAS STAINLESS STEEL & ITS MOVEMENT WAS DESIGNED TO BE RESTRAINED BY CLAMPS, WHICH WERE NOT IN PLACE. A SVC INSTRN, ISSUED IN 1986, RCMNDD THAT ALUMINUM FITTINGS BE UPGRADED TO STAINLESS STEEL. A SVC BULLETIN DATED 9/8/89 RELATED TO NUMEROUS 'ENGINE FAILURES DUE TO OIL STARVATION RESULTING FROM BROKEN GOVERNOR LINES.' ACCORDING TO THAT BULLETIN, FAILURE TO RE-INSTALL THE GOVERNOR LINE CLAMPS AFTER MAINT HAD BEEN THE CAUSE OF NUMEROUS ENG FAILURES. MAINT PERSONNEL ACCOMPLISHED BOTH A TOP OVERHAUL & AN ANNUAL INSPN, 50 & 12 HRS, RESPECTIVELY, BFR THE ACDNT.
Quoted verbatim from the NTSB record.
Other Mooney M20E accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Oct 1989 | Mooney M20E | Ravenna, Ohio, United States | Rosemond, Manning W. | Minor injuries | - |
| 30 Jun 1989 | Mooney M20E | Weirton, West Virginia, United States | - | Serious injuries | - |
| 30 Apr 1989 | Mooney M20E | Julian, California, United States | Eddie Lindros | No injuries | - |
| 18 Nov 1989 | Mooney M20E | Georgetown, South Carolina, United States | - | Minor injuries | - |
| 8 Apr 1989 | Mooney M20E | Lake Elmo, Minnesota, United States | - | No injuries | - |
| 17 Nov 1990 | Mooney M20E | Tuba City, Arizona, United States | Story, David L. | Minor injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 24 Apr 1989 | Cessna 150 | San Antonio, Texas, United States | - | No injuries | - |
| 27 Apr 1989 | Mooney M20J | Jasper, Texas, United States | Stratton, William A. | Serious injuries | - |
| 6 Apr 1989 | Beechcraft V35B | Lampasas, Texas, United States | Phil P. O'neal | Serious injuries | - |
| 20 May 1989 | Piper PA-24-250 | Decatur, Texas, United States | Frazier, David R. | No injuries | - |
| 24 May 1989 | Beechcraft A36TC | Amarillo, Texas, United States | L.l.pownell | No injuries | - |
| 30 May 1989 | Piper PA-32R | Stratford, Texas, United States | Sherman Implement Co. | No injuries | - |