Lake 250 accident near Ket Largo, Florida, June 14, 1984
On June 14, 1984 at about 5:00 pm local time, a Lake 250, registered N1400X, was destroyed in an accident near Ket Largo, Florida. It was a personal flight under general aviation rules (Part 91). No one was hurt; 4 people were on board or involved. 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 14, 1984 · about 5:00 pm local time
- Place
- Ket Largo, Florida · map
- Type
- Accident
- Injuries
- No one was hurt; 4 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Lake 250
- Registration
- N1400X · no longer on the register · serial 5
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
AS THE PLT WAS APPROACHING TO LAND IN THE OPEN OCEAN NEAR KEY LARGO, FL, A BIG WAVE APPEARED. THE PLT PULLED THE NOSE OF THE ACFT UP & ADDED POWER. HOWEVER, THE ACFT IMPACTED THE WAVE CREST & WAS CATIPULTED UPWARD IN A NOSE HIGH ATTITUDE. IT THEN CAME DOWN ON THE LEFT WING WHICH SEPARATED FROM THE ACFT. THE ACFT SANK IN 12 FT OF WATER AFTER FLOATING ABOUT 35 MINUTES. THE PLT REPORTED THAT THE WIND SEEMED TO BE LIGHT & VARIABLE. HE ESTIMATED THAT THE WAVES WERE 1 TO 1-1/2 FT HIGH, EXCEPT FOR THE WAVE OR SWELL THAT THE ACFT HIT.
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: commercial pilot
- Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane
- Flight time: 1,984 hours in all; 94 in this make and model; 85 in the last 90 days; 1,526 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 120 hours
- Last inspection: 100-hour inspection, June 8, 1984; 12 hours since
- Maximum gross weight: 2,400 lb
- Seats: 4
- Landing gear: fixed
- Engine: Lycoming IO-540-C4B5 (piston); 0 hours total
The flight
- Departed from: APF Naples FL at 3:45 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 120° at 10 knots
- Visibility: 20 statute miles
- Sky: scat at 3,000 ft
- Temperature: 82°F (28°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 3 |
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.