Lake LA-4 N1212L
21 October 1989 · Apalachicola, Florida, United States · Minor injuries
Summary
On 21 October 1989 at about 10:00 local time, a Lake LA-4 registered N1212L, operated by D'alemberte, Talbot S., was involved in an accident near Apalachicola, Florida, 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 10:00
- Classification
- Accident
- Location
- Apalachicola, Florida, United States
- Coordinates
- 29.7201, -84.9893
- Aircraft
- Lake LA-4
- Registration
- N1212L
- Category
- Airplane
- Engines
- 1
- Operator
- D'alemberte, Talbot S.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Unknown → New Orleans
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Dawn
- NTSB number
- MIA90LA016
People
2 people had minor injuries.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 2 | 0 |
Probable cause
BINDING AND SUBSEQUENT FAILURE OF THE #1 EXHAUST VALVE. A FACTOR RELATED TO THE ACCIDENT WAS: THE SOFT/WET (SWAMPY) TERRAIN CONDITION IN THE EMERGENCY LANDING AREA.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
SHORTLY AFTER TAKEOFF AT ABOUT 100' AGL, THE ENG LOST POWER. AN EMERG LNDG WAS THEN MADE IN A SWAMPY AREA & THE ACFT, WAS DAMAGED. AN EXAM OF THE ENG REVEALED THAT THE #1 EXHAUST VALVE PUSHROD WAS BENT. ACCORDING TO THE ENG MANUFACTURERTHIS RESULTED FROM A STICKING EXHAUST VALVE, WHICH ALLOWED THE PISTON TO CONTACT THE VALVE. THE VALVE STEM CAP HAD FAILED & LODGED BETWEEN THE ROCKER ARM AND THE OUTER VALVE SPRING ASSEMBLY.
Quoted verbatim from the NTSB record.
Other Lake LA-4 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 12 Apr 1989 | Lake LA-4-200-EP | Bellevue, Washington, United States | Lake Aircraft | Fatal | 2 |
| 3 Sep 1989 | Lake LA-4-200 | Orlando, Florida, United States | - | No injuries | - |
| 14 Jun 1988 | Lake LA-4-200 | Wantagh, New York, United States | - | Serious injuries | - |
| 4 Jul 1988 | Lake LA-4 | Linden, New Jersey, United States | Walter FIL | No injuries | - |
| 16 Jul 1988 | Lake LA-4-200 | Candlewood Lake, Connecticut, United States | James A.marquis | Minor injuries | - |
| 30 Jul 1988 | Lake LA-4-200 | Montpelier, Vermont, United States | - | Serious injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 21 Mar 1989 | Cessna 172H | Melbourne, Florida, United States | - | Serious injuries | - |
| 23 Mar 1989 | Piper AEROSTAR 600 | Jacksonville, Florida, United States | Top Flight Air Service | Fatal | 1 |
| 25 Mar 1989 | Bellanca 7KCAB | Daytona Bch Shr, Florida, United States | Aerial Messages, Inc. | Fatal | 1 |
| 8 Apr 1989 | Beechcraft C-45H | Tampa, Florida, United States | - | Serious injuries | - |
| 16 Apr 1989 | Coutz QUICKIE Q-2 | Lake City, Florida, United States | Rowe, Reardon L. | Fatal | 1 |
| 25 Apr 1989 | Cessna 150M | Miramar, Florida, United States | Tursair, Inc. | Serious injuries | - |