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Accidents · NTSB ANC86LA097 · Preliminary: the investigation is not finished

Cessna 305 accident near Figure Eight Lk, Alaska, July 3, 1986

On July 3, 1986 at about 5:05 am local time, a Cessna 305, registered N5312G, was substantially damaged in an accident near Figure Eight Lk, Alaska. It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 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
July 3, 1986 · about 5:05 am local time
Place
Figure Eight Lk, Alaska
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Cessna 305 · all 305s on the register
Registration
N5312G · no longer on the register · serial 22746
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE PLT ATTEMPTED AN EMERGENCY LANDING ON A LAKE FOLLOWING A PARTIAL PWR LOSS IN-FLT. DURING TOUCHDOWN THE PLT LOST CONTROL OF THE ACFT WHICH NOSED OVER ON IT'S BACK AND SANK INTO THE LAKE. THE ACFT WAS NOT RECOVERED FROM THE WATER.

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: multi-engine land; single-engine land; single-engine sea
  • Flight time: 3,200 hours in all; 100 in this make and model; 36 in the last 90 days; 3,200 as pilot in command
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: rear

The aircraft

  • Last inspection: 100-hour inspection, January 17, 1986; 81 hours since
  • Maximum gross weight: 2,400 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Continental O-470-11B (piston); 0 hours total

The flight

  • Departed from: Anchorage AK at 10:40 pm
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 270° at 15 knots
  • Visibility: 40 statute miles
  • Sky: clear
  • Temperature: 61°F (16°C), dew point 30°F (-1°C)
  • Altimeter: 29.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

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.

Other NTSB records under N5312G the same tail number, which may have belonged to a different aircraft at the time

2015-11-24CEN16LA064 · accident near Sulphur, LA · substantial damage · minor injuries
2010-05-06ERA10CA257 · accident near Fort Pierce, FL · substantial damage · no injuries
1984-09-28ANC84FA192 · accident near Anchorage, AK · substantial damage · no injuries

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.