Cessna U206 accident near Iliamna, Alaska, August 17, 1984
On August 17, 1984 at about 1:35 am local time, a Cessna U206, registered N4660U, was substantially damaged in an accident near Iliamna, Alaska. It was a personal flight under general aviation rules (Part 91). 1 person had minor injuries; 2 others were unhurt. 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
- August 17, 1984 · about 1:35 am local time
- Place
- Iliamna, Alaska · map
- Type
- Accident
- Injuries
- 1 person had minor injuries; 2 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna U206 · all U206s on the register
- Registration
- N4660U · no longer on the register · serial U20605036
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
PLT HAD DELIVERED NEW FLOAT PLANE. OWNER REQUESTED A DEMO FLT AS PILOT AT CONTROLS. PILOT IN COMMAND PERMITTED THIS DESPITE KNOWLEDGE THAT OWNER HAD NO FLOAT PLANE EXPERIENCE. TAKEOFF AND PATTERN CIRCUIT WERE NORMAL. LANDING FLARE APPEARED SLIGHTLY NOSE LOW TO PIC, BUT ACCEPTABLE. ON TOUCHDOWN, OWNER FAILED TO HOLD BACK PRESSURE ON ELEVATOR AS FLOATS 'DUG IN.' ACFT PITCHED FORWARD AND NOSED OVER.
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: single-engine land; single-engine sea
- Flight time: 12,000 hours in all; 270 in this make and model
- Medical certificate: Class 2 (expired)
- Seat: left
The aircraft
- Airframe total time: 629 hours
- Last inspection: annual inspection, June 1, 1984; 120 hours since
- Maximum gross weight: 3,500 lb
- Seats: 6
- Landing gear: fixed
- Engine: Continental IO-520-F-9 (piston); 0 hours total
The flight
- Departed from: Iliamna AK
- Flight plan: none
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 090° at 7 knots
- Visibility: 60 statute miles
- Sky: clear
- Temperature: 61°F (16°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 2 |
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.