The U.S. aircraft register, updated daily
Accidents · NTSB ANC90LA102 · Final report

Grumman G21 accident near King Salmon, Alaska, June 30, 1990

On June 30, 1990, a Grumman G21, registered N7811, was substantially damaged in an accident near King Salmon, Alaska (King Salmon airport). It was a public-use flight under public-use (government) rules. 1 person had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE PILOT FAILED TO ADEQUATELY COMPENSATE FOR THE PREVAILING WIND CONDITIONS AND HIS FAILURE TO MAINTAIN DIRECTIONAL CONTROL. A CONTRIBUTING FACTOR WAS THE STRONG CROSSWIND COMPONENT.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
June 30, 1990
Place
King Salmon, Alaska · King Salmon · map
Type
Accident
Injuries
1 person had minor injuries; 1 other was unhurt.
Weather
visual conditions (good weather)
Aircraft
Grumman G21 · all G21s on the register
Registration
N7811 · registry record · serial B-122
Damage
Substantial damage
Flight
Public-use flight · public-use (government) rules

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

THE PILOT REPORTED DIRECTIONAL CONTROL PROBLEMS WHILE LANDING IN A CROSSWIND OF 70-80 DEGREES AT 15 KNOTS OR GREATER. THE AIRPLANE TOUCHED DOWN IN THE CENTER OF THE RUNWAY, BUT QUICKLY VEERED TO THE LEFT AND WENT OFF THE RUNWAY. AN AIR TRAFFIC CONTROLLER WHO WITNESSED THE ACCIDENT SAID THAT IT APPEARED THAT A GUST OF WIND CAUSED THE RIGHT WING TO RISE SHORTLY AFTER LANDING, AND THAT THE AIRPLANE THEN VEERED TO THE LEFT. AN EXAMINATION OF THE LEFT MAIN LANDING GEAR, TIRE, AND BRAKE ASSEMBLY DISCLOSED NO ANOMALIES WITH ANY OF THE SYSTEMS OR STRUCTURE.

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, flight instructor, commercial pilot
  • Ratings: multi-engine land; multi-engine sea; single-engine land; single-engine sea; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
  • Flight time: 4,500 hours in all; 1,000 in this make and model; 38 in the last 90 days; 21 in the last 30 days
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 13,121 hours
  • Last inspection: 100-hour inspection, January 5, 1990; 58 hours since
  • Maximum gross weight: 8,800 lb
  • Seats: 3
  • Landing gear: retractable
  • Engine: P&W R-985 (piston); 0 hours total

The flight

  • Departed from: PTH Port Hieden AK at 7:00 pm
  • Runway 11, 8,500 ft by 150 ft

Weather at the time

  • Light: daylight
  • Wind: from 190° at 15 knots
  • Visibility: 65 statute miles
  • Sky: scat at 10,000 ft
  • Temperature: 72°F (22°C), dew point 46°F (8°C)
  • Altimeter: 29.00 inHg
  • Observation at 8:05 pm from AKN

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 N7811 the same tail number, which may have belonged to a different aircraft at the time

2007-06-24ANC07CA053 · accident near Dutch Harbor, 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.