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Accidents · NTSB MIA84IA177 · Preliminary: the investigation is not finished

Grumman G-111 incident near West Palm Beach, Florida, June 3, 1984

On June 3, 1984 at about 12:13 pm local time, a Grumman G-111, registered N112FB, suffered minor damage in an incident near West Palm Beach, Florida (West Palm Beach airport). It was a positioning flight under general aviation rules (Part 91). No one was hurt; 3 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 incident. 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
June 3, 1984 · about 12:13 pm local time
Place
West Palm Beach, Florida · West Palm Beach · map
Type
Incident
Injuries
No one was hurt; 3 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Grumman G-111
Registration
N112FB · no longer on the register · serial 148328
Damage
Minor damage
Flight
Positioning flight · general aviation rules (Part 91)

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

AFTER A REPOSITIONING FLT, THE MAIN GEAR COLLAPSED. AN EXAM OF THE HAND PUMP SELECTOR CONTROL VALVE REVEALED THAT ONE OF THE TWO DUMP PORTS FOR THR FLAP POSITION HAD A HYDRAULIC LEAK. REPORTEDLY, THIS ALLOWED SYSTEM PRESSURE TO RETRACT THE GEAR. THE VALVE, P/N 9055-1, HAD A TOTAL FLT TIME OF 1662.8 HRS SINCE BEING INSTALLED ON 7/21/81.

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; multi-engine sea; instrument: airplane
  • Flight time: 6,000 hours in all; 2,000 in this make and model
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 8,458 hours
  • Last inspection: approved inspection programme, June 2, 1984; 1,027 hours since
  • Maximum gross weight: 31,365 lb
  • Seats: 28
  • Landing gear: retractable
  • Engine: Wright R-1820-82 (piston); 0 hours total

The flight

  • Departed from: FLL Ft.Lauderdale FL
  • Destination: PBI West Palm Beach FL
  • Flight plan: none
  • Runway 9, 7,991 ft by 150 ft
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Wind: from 260° at 4 knots
  • Visibility: 7 statute miles
  • Sky: clear
  • Temperature: 70°F (21°C), dew point 63°F (17°C)
  • Altimeter: 30.00 inHg
  • Observation at 12:25 pm from PBI

Injuries

FatalSeriousMinorNone
Crew3

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.