Cessna 206G accident near Iliamna, Alaska, July 27, 1989
On July 27, 1989 at about 1:00 am local time, a Cessna 206G, registered N6588Z, was substantially damaged in an accident near Iliamna, Alaska. It was a business 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
IMPROPER PLANNING/DECISION BY THE PILOT & HIS FAILURE TO ATTAIN ADEQUATE SPEED TO FLY. THE TERRAIN (BANK) WAS A CONTRIBUTING FACTOR.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 27, 1989 · about 1:00 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 206G · all 206Gs on the register
- Registration
- N6588Z · no longer on the register · serial U20606329
- Damage
- Substantial damage
- Flight
- Business flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE FLOATPLANE PLT HAD LANDED ON A LAKE TO 'PICKUP' TWO FISHERMEN. HE STATED THAT DRG A SUBSEQUENT TAKEOFF, THE TAKEOFF RUN WAS NORMAL ONTO THE STEP. AT THE DECISION POINT, HE BELIEVED THE ACFT WOULD FLY, SO HE CONTD THE TAKEOFF RUN; HOWEVER, THE ACFT DID NOT LIFT-OFF. SUBSEQUENTLY, IT STRUCK A BANK & 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: airline transport pilot
- Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane
- Flight time: 8,000 hours in all; 1,500 in this make and model; 265 in the last 90 days; 8,000 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 4,099 hours
- Last inspection: 100-hour inspection, June 27, 1989
- Maximum gross weight: 3,600 lb
- Seats: 6
- Landing gear: fixed
- Engine: Continental IO-520 (piston); 0 hours total
The flight
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: scat at 10,000 ft
- Temperature: 55°F (13°C), dew point 46°F (8°C)
- Altimeter: 29.00 inHg
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.