Cessna 170B accident near Fremont Island, Utah, July 7, 2023
On July 7, 2023 at about 11:00 pm local time, a Cessna 170B, registered N1664D, was substantially damaged in an accident during landing (landing roll) near Fremont Island, Utah (Freemont Island Lower 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 pilot undergoing instruction’s excessive application of asymmetrical braking during landing, which resulted in a ground loop.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 7, 2023 · about 11:00 pm local time
- Place
- Fremont Island, Utah · Freemont Island Lower · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 170B · all 170Bs on the register
- Registration
- N1664D · registry record · serial 20306
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
According to the flight instructor, during the landing roll the pilot undergoing instruction applied asymmetrical braking and locked the left brake. This led to a ground loop. The airplane sustained substantial damage to the right wing. The pilot reported that there were no preaccident mechanical failures or malfunctions 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
- Loss of control on ground during landing (landing roll) defining event
The NTSB's findings
- Personnel issues › Task performance › Use of equip/info › Aircraft control › Pilot
- Aircraft › Aircraft oper/perf/capability › Performance/control parameters › Directional control › Not attained/maintained
Pilot
- Certificate: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 5,890 hours in all; 295 in this make and model; 118 in the last 90 days; 29 in the last 30 days; 3,610 as pilot in command
- Last flight review: August 31, 2022
- Medical certificate: Class 1 (with waivers/limitations)
- Seat: rgt
- Injury: no injuries
Pilot
- Certificate: commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 424 hours in all; 8 in this make and model
- Last flight review: September 16, 2021
- Medical certificate: Class 2 (without waivers/limitations)
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 4,146.1 hours
- Last inspection: 100-hour inspection, May 13, 2023
- Maximum gross weight: 2,200 lb
- Seats: 4
- Landing gear: fixed
- Engine: Continental O-300 (piston); 0 hours total
- Operator: Scud Air Solutions LLC
The flight
- Departed from: KOGD Ogden UT at 10:07 pm
- Destination: KOGD Ogden UT
- Flight plan: none
- Runway 09, 1,828 ft by 10 ft
Weather at the time
- Light: daylight
- Temperature: 93°F (34°C), dew point 34°F (1°C)
- Altimeter: 29.85 inHg
- Observation at 4:53 pm from KOGD, 16 miles away
Weather report (METAR): METAR KOGD 072253Z VRB05KT 10SM CLR 34/01 A2985
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 | |||
| Passengers | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
2 documents, released by the NTSB on January 4, 2024. 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 | Photos | PDF, 2 pages | 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.