Lockheed 12A N12AT
31 July 1990 · Oshkosh, Wisconsin, United States · Serious injuries
Summary
On 31 July 1990 at about 17:05 local time, a Lockheed 12A registered N12AT, operated by EAA Air Museum, was involved in an accident near Oshkosh, Wisconsin, United States. 5 people were on board and 4 were seriously injured, one had minor injuries. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 17:05
- Classification
- Accident
- Location
- Oshkosh, Wisconsin, United States
- Nearest airport
- Oshkosh/Wittman Reg. (OSH)
- Coordinates
- 44.0603, -88.5399
- Aircraft
- Lockheed 12A
- Registration
- N12AT
- Category
- Airplane
- Engines
- 2
- Operator
- EAA Air Museum
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- CHI90FA208
People
4 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 5 | 0 | 4 | 1 | 0 |
Probable cause
THE INADEQUATE EMERGENCY PROCEDURE(S) BY THE PILOT IN COMMAND FOLLOWING A LOSS OF ENGINE POWER FOR UNDETERMINED REASONS(S).
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE PILOT WAS FLYING THE TWIN ENGINE AIRPLANE IN THE TRAFFIC PATTERN FOR A FLY-BY EVENT AT AN AIR SHOW. TWO FLY-BY CIRCUITS HAD BEEN COMPLETED, AND THE AIRPLANE WAS ON THE THIRD DOWNWIND LEG AT AN ESTIMATED ALTITUDE OF 600 TO 800 FEET AGL WHEN THE RIGHT ENGINE LOST POWER. THE MAIN LANDING GEAR HAD BEEN PREVIOUSLY EXTENDED, AND THE PILOT ELECTED NOT TO RETRACT THE LANDING GEAR IN ANTICIPATION OF LANDING ON THE RUNWAY. THE PILOT REPORTED THAT HE PERFORMED EMERGENCY PROCEDURES BY PUSHING THE THROTTLES FORWARD AND ATTEMPTING TO RESTART THE RIGHT ENGINE. THE RIGHT ENGINE DID NOT RESTART, AND THE AIRPLANE COLLIDED WITH TERRAIN SHORT OF THE RUNWAY. THE PILOT DID NOT CLAIM TO HAVE FEATHERED THE INOPERATIVE RIGHT ENGINE'S PROPELLERS. POSTACCIDENT INSPECTION OF THE RIGHT ENGINE REVEALED NO EVIDENCE OF PREIMPACT ANOMALY. THE RIGHT ENGINE'S MAGNETOS AND CARBURETOR WERE DAMAGED AND NOT FUNCTIONALLY TESTED. THE PROPELLER OF THE RIGHT ENGINE WAS FOUND IN AN UNFEATHERED, FINE PITCH POSITION.
Quoted verbatim from the NTSB record.
Other Lockheed 12 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 Aug 1979 | Lockheed 12A | Pontiac, Michigan, United States | Blue Wings Inc | Fatal | 1 |
| 15 Sep 1975 | Lockheed 12A | Springfield, Missouri, United States | Red EYE Expres | Serious injuries | - |
| 14 Jul 1975 | Lockheed 12A | Rubidoux, California, United States | - | No injuries | - |
| 21 Nov 1974 | Lockheed 12A | Osage, Iowa, United States | Y H Iverson | No injuries | - |
| 24 Jun 1974 | Lockheed 12A | Q.roo, Mexico | Blue Wings, Inc | No injuries | - |
| 6 Jul 1970 | Lockheed 12A | Toledo, Ohio, United States | Gidmillers AER | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 24 Apr 1990 | Bellanca 8KCAB | West Bend, Wisconsin, United States | Gran-Aire, Inc. | Fatal | 2 |
| 27 Aug 1990 | Bell 206B | Elkhorn, Wisconsin, United States | - | Fatal | 5 |
| 6 May 1990 | Cessna 172N | New Richmond, Wisconsin, United States | - | Fatal | 3 |
| 26 Jul 1990 | Custom Aerotech WHITE LIGHTNING | Oshkosh, Wisconsin, United States | - | Fatal | 2 |
| 2 Aug 1990 | Boeing A75N1 | Oshkosh, Wisconsin, United States | Lewkowicz, John D. | Fatal | 1 |
| 19 Aug 1990 | Piper PA-32R-300 | Watertown, Wisconsin, United States | Wisconsin Aviation Inc | Fatal | 7 |