Consolidated Aeronautics Inc. LAKE LA-4-200 accident near Marathon, Florida, June 30, 1984
On June 30, 1984 at about 8:40 pm local time, a Consolidated Aeronautics Inc. LAKE LA-4-200, registered N1211L, was destroyed in an accident near Marathon, Florida. It was a personal flight under general aviation rules (Part 91). 1 person was seriously injured and 1 person had minor injuries. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 30, 1984 · about 8:40 pm local time
- Place
- Marathon, Florida · map
- Type
- Accident
- Injuries
- 1 person was seriously injured and 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft
- Consolidated Aeronautics Inc. LAKE LA-4-200 LAKE LA-4- · all LAKE LA-4-200s on the register
- Registration
- N1211L · no longer on the register · serial 715
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PLT REPORTED THAT HE WAS FLYING LOW & IN LEVEL FLT OVER THE OCEAN WHEN THE ACFT HIT THE WAKE FROM A LARGE BOAT & FLIPPED OVER. ACCORDING TO WITNESSES, THE ACFT BEGAN A RIGHT TURN WHILE FLYING LOW, THEN THE RIGHT WING HIT THE WATER & THE ACFT CARTWHEELED & CRASHED. A CHECK OF THE PLT'S BLOOD SHOWED AN ALCOHOL LEVEL OF 0.16%.
The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.
The factual record from the NTSB's investigation tables, in plain English
Pilot
- Certificate: flight instructor, commercial pilot
- Ratings: single-engine land; single-engine sea; instructor: airplane single-engine
- Flight time: 3,370 hours in all; 1,050 in this make and model; 60 in the last 90 days; 3,200 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 480 hours
- Last inspection: annual inspection, May 1, 1984
- Maximum gross weight: 2,690 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming IO-360-A1B (piston); 0 hours total
The flight
- Departed from: MTH Morathon FL at 8:00 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 160° at 4 knots
- Visibility: 10 statute miles
- Sky: scat at 25,000 ft
- Temperature: 88°F (31°C), dew point 73°F (23°C)
- Altimeter: 29.00 inHg
- Observation at 8:49 pm from EYW, 40 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.
Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.