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Accidents · NTSB CHI97LA221 · Final report

Amateur-built RV-4 accident near Rosemount, Minnesota, July 23, 1997

On July 23, 1997 at about 9:06 pm local time, a amateur-built RV-4, registered N36JG, was destroyed in an accident near Rosemount, Minnesota (Jensen Air Field). It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

the pilot's failure to maintain adequate airspeed after takeoff, which resulted in a stall/spin and collision with the terrain. His excessive climb rate after takeoff was a related factor.

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

What the record shows

Date
July 23, 1997 · about 9:06 pm local time
Place
Rosemount, Minnesota · Jensen Air Field · map
Type
Accident
Injuries
1 person was killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built RV-4
Registration
N36JG · registry record · serial 1458
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

A witness reported that after the airplane took off, he observed it in a steep climb, followed by a level off at about 100 ft agl. The airplane then entered a 90-degree turn to the left, followed by an erratic flight path with both wings rocking back and forth. It then went into a steep nose down, 45-degree right wing down attitude, before impacting terrain. An examination of the engine and flight controls did not reveal any preexisting failure or malfunction which would have resulted in the accident.

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, commercial pilot, flight engineer
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 10,094 hours in all; 90 in this make and model
  • Medical certificate: Class 1 (valid medical--no waivers/lim.)
  • Seat: frt

The aircraft

  • Airframe total time: 542 hours
  • Last inspection: inspection type not recorded
  • Maximum gross weight: 1,500 lb
  • Seats: 2
  • Landing gear: fixed
  • Engine: Lycoming O-320 (piston); 0 hours total
  • Fire on the ground

The flight

  • Flight plan: none
  • Runway 9, 2,500 ft

Weather at the time

  • Light: daylight
  • Wind: from 130° at 5 knots
  • Visibility: 10 statute miles
  • Sky: scat at 3,000 ft
  • Temperature: 79°F (26°C), dew point 70°F (21°C)
  • Observation at 8:55 pm from LVN, 9 miles away

Injuries

FatalSeriousMinorNone
Crew1

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.