The U.S. aircraft register, updated daily
Accidents · NTSB CHI84LA274 · Preliminary: the investigation is not finished

Hughes 269B accident near Eden Prairie, Minnesota, July 3, 1984

On July 3, 1984 at about 7:30 pm local time, a Hughes 269B (helicopter), registered N9487F, was substantially damaged in an accident near Eden Prairie, Minnesota (Flying Cloud airport). It was an instructional 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, 1984 · about 7:30 pm local time
Place
Eden Prairie, Minnesota · Flying Cloud · map
Type
Accident
Injuries
No one was hurt; 2 people were on board or involved.
Weather
visual conditions (good weather)
Aircraft
Hughes 269B · all 269Bs on the register
Registration
N9487F · no longer on the register · serial 270313
Damage
Substantial damage
Flight
Instructional flight · general aviation rules (Part 91)

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

THE CFI STATED THAT WHILE PRACTICING A PEDAL TURN THE STUDENT PILOT SUDDENLY APPLIED BACK CYLIC CAUSING THE TAIL ROTOR TO CONTACT THE GROUND. THE MAIN ROTOR THEN CONTACTED THE GROUND AND THE HELICOPTER ROLLED 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: flight instructor, commercial pilot
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane; rotorcraft: helicopter
  • Flight time: 791 hours in all; 219 in this make and model; 113 in the last 90 days; 620 as pilot in command
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: rgt

The aircraft

  • Airframe total time: 2,219 hours
  • Last inspection: 100-hour inspection, June 29, 1984; 15 hours since
  • Maximum gross weight: 1,670 lb
  • Seats: 3
  • Landing gear: fixed
  • Engine: Lycoming HIO-360-A1A (piston); 0 hours total

The flight

  • Departed from: FCM Eden Praire MN at 5:30 pm
  • Flight plan: none
  • Runway 36, 2,991 ft by 75 ft

Weather at the time

  • Light: daylight
  • Wind: from 350° at 10 knots
  • Visibility: 15 statute miles
  • Sky: broken clouds at 3,000 ft; not recorded at 3,000 ft
  • Temperature: 0°F (-18°C), dew point 0°F (-18°C)
  • Altimeter: 29.00 inHg
  • Observation at 7:40 pm from FCM

Injuries

FatalSeriousMinorNone
Crew2

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 N9487F the same tail number, which may have belonged to a different aircraft at the time

1988-05-07CHI88LA108 · accident near Minneapolis, MN · substantial damage · minor 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.