The U.S. aircraft register, updated daily
Accidents · NTSB ANC84LA126 · Preliminary: the investigation is not finished

Grumman G-44A accident near Shanin Lake, Alaska, July 28, 1984

On July 28, 1984 at about 10:00 pm local time, a Grumman G-44A, registered N9900H, was substantially damaged in an accident near Shanin Lake, Alaska. 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
July 28, 1984 · about 10:00 pm local time
Place
Shanin Lake, Alaska
Type
Accident
Injuries
No one was hurt; 4 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Grumman G-44A · all G-44As on the register
Registration
N9900H · registry record · serial 1328
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PLT REPORTED THAT SHORTLY AFTER TAKEOFF THE ACFT ENCOUNTERED SEVERE WIND SHEAR. THE PLT LOST DIRECTIONAL CONTROL OF THE ACFT & IT COLLIDED WITH A MUD BANK.

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; multi-engine sea; single-engine sea; instrument: airplane
  • Flight time: 3,300 hours in all; 145 in this make and model; 25 in the last 90 days; 10 in the last 30 days; 3,000 as pilot in command
  • Medical certificate: Class 2 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 2,300 hours
  • Last inspection: annual inspection, May 18, 1984; 125 hours since
  • Maximum gross weight: 6,000 lb
  • Seats: 6
  • Landing gear: retractable
  • Engine: Lycoming GO-435 (piston); 0 hours total

The flight

  • Departed from: Wild Lake AK
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 360° at 40 knots, gusting 45
  • Visibility: 100 statute miles
  • Sky: clear
  • Temperature: 50°F (10°C), dew point 28°F (-2°C)
  • Altimeter: 29.00 inHg

Injuries

FatalSeriousMinorNone
Crew1
Passengers3

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.