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Accidents · NTSB CEN12LA458 · Final report

Grumman G-164A accident near Egeland, North Dakota, July 7, 2012

On July 7, 2012 at about 6:00 pm local time, a Grumman G-164A, registered N6583, was substantially damaged in an accident during maneuvering near Egeland, North Dakota (Cando Municipal Airport). It was an aerial application (crop spraying) flight under agricultural flying rules (Part 137). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

The partial loss of engine power for reasons that could not be determined during postaccident examinations.

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

What the record shows

Date
July 7, 2012 · about 6:00 pm local time
Place
Egeland, North Dakota · Cando Municipal Airport · map
Type
Accident
Injuries
No one was hurt; 1 person was on board or involved.
Weather
visual conditions (good weather)
Aircraft
Grumman G-164A · all G-164As on the register
Registration
N6583 · registry record · serial 720
Damage
Substantial damage
Flight
Aerial application (crop spraying) flight · agricultural flying rules (Part 137)

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

The pilot reported that he made two aerial application passes over the wheat field. During the reversal turn on the second pass, the airplane cleared a set of power lines and began to settle. The pilot applied full throttle, but the engine did not respond. He flared the airplane and completed a forced landing to the wheat field. During the landing, the landing gear failed, which resulted in substantial damage to the right wing. The examination of the two propeller blades revealed that they both exhibited leading edge gouges, chordwise scratches, and blade twisting, which is consistent with the engine operating at the time of ground impact. The atmospheric conditions at the time of the accident were conducive to the accumulation of carburetor ice while operating at a sustained idle engine power setting. However, the engine power setting used during the aerial application flight would have been significantly higher than an idle engine setting; therefore, it is unlikely that carburetor ice accumulated during the accident flight.

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

What happened, in order

  1. Loss of engine power (partial) during maneuvering defining event
  2. Landing gear collapse during landing (landing roll)

The NTSB's findings

  • cause Not determined › Not determined › (general) › (general) › Unknown/Not determined

Pilot

  • Certificate: commercial pilot
  • Ratings: single-engine land
  • Flight time: 356 hours in all; 68 in this make and model; 100 in the last 90 days; 70 in the last 30 days; 261 as pilot in command
  • Last flight review: March 4, 2012
  • Medical certificate: Class 2 (with waivers/limitations)
  • Seat: sngl
  • Injury: no injuries

The aircraft

  • Airframe total time: 3,100 hours
  • Last inspection: annual inspection, June 12, 2012
  • Maximum gross weight: 4,500 lb
  • Seats: 1
  • Landing gear: fixed
  • Engine: P&W R-985 SERIES (piston); 0 hours total

The flight

  • Departed from: 9D7 Cando Municipal ND
  • Destination: 9D7 Cando Municipal ND
  • Flight plan: none

Weather at the time

  • Light: daylight
  • Wind: from 240° at 8 knots
  • Visibility: 10 statute miles
  • Sky: clear
  • Temperature: 77°F (25°C), dew point 63°F (17°C)
  • Altimeter: 30.22 inHg
  • Observation at 5:35 pm from RUG, 39 miles away

Injuries

FatalSeriousMinorNone
Flight 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.