Maule M 4-220C accident near Rigby, Idaho, May 11, 2015
On May 11, 2015 at about 4:15 pm local time, a 1970 Maule M 4-220C, registered N2058U, was substantially damaged in an accident during landing (landing roll) near Rigby, Idaho (City Of Rigby airport). It was a flight test under general aviation rules (Part 91). 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 pilot's failure to maintain directional control of the airplane during landing roll.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 11, 2015 · about 4:15 pm local time
- Place
- Rigby, Idaho · City Of Rigby · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Maule M 4-220C 220C, built 1970 · all M 4-220Cs on the register
- Registration
- N2058U · registry record · serial 2052C
- Damage
- Substantial damage
- Flight
- Flight test · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot of the tailwheel-equipped airplane reported that during the landing roll, a wind gust elevated the right wing and the airplane veered right and exited the runway. The left main landing gear collapsed during the runway excursion, and the left wing struck the ground resulting in substantial damage. The pilot reported no pre-impact mechanical malfunctions or failures with the airplane that would have precluded normal operation.
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
- Other weather encounter during landing (landing roll)
- Loss of control on ground during landing (landing roll) defining event
- Runway excursion during landing (landing roll)
The NTSB's findings
- cause Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
- cause Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Directional control › Not attained/maintained
- Environmental issues › Conditions/weather/phenomena › Wind › Gusts › Effect on operation
Pilot
- Certificate: private
- Ratings: single-engine land
- Flight time: 371 hours in all; 61 in this make and model; 1 in the last 90 days; 1 in the last 30 days; 311 as pilot in command
- Last flight review: January 30, 2015
- Medical certificate: Class 3 (with waivers/limitations)
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 1,393.1 hours
- Last inspection: annual inspection, May 6, 2015; 1 hours since
- Maximum gross weight: 2,300 lb
- Seats: 4
- Landing gear: fixed
- Engine: Franklin 6A-350-C1 (piston); 1,394 hours total
The flight
- Departed from: U56 Rigby ID at 3:30 pm
- Destination: U56 Rigby ID
- Flight plan: none
- Runway 01, 3,500 ft by 50 ft
Weather at the time
- Light: daylight
- Wind: at 3 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 54°F (12°C), dew point 23°F (-5°C)
- Altimeter: 30.07 inHg
- Observation at 3:53 pm from IDA, 10 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
4 documents, released by the NTSB on June 30, 2015. View them here, or download them; the NTSB redacts some personal details before release, and this site shows the NTSB's own titles rather than its file names.
| # | Document | What it is | |
|---|---|---|---|
| 1 | Pilot/operator Aircraft Accident Report, NTSB Form 6120.1 | PDF, 11 pages | View Download |
| 2 | Memorandum for Record - METAR KU56 (1015 Mdt) | PDF, 1 page | View Download |
| 3 | Photo 1 - Left Wing (Courtesy of FAA) | PDF, 1 page | View Download |
| 4 | Photo 2 - Left Wing and Aileron (Courtesy of FAA) | PDF, 1 page | View Download |
The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.
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.