Best Off SKYRANGER accident near Duncan, Oklahoma, September 19, 2019
On September 19, 2019, a 2007 Best Off SKYRANGER, an amateur-built aircraft,, registered N1671L, was destroyed in an accident during taxi (to runway) near Duncan, Oklahoma (Halliburton Field). It was a personal flight 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
A fire during the engine run-up for undetermined reasons.
Source: NTSB aviation accident database, copy made November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- September 19, 2019 · cases in 2019
- Place
- Duncan, Oklahoma · Halliburton Field · cases near this airport · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Best Off SKYRANGER No Series, built 2007, amateur-built · all SKYRANGERs on the register
- Registration
- N1671L · no longer on the register · serial 0601679
- Damage
- Destroyed
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
The pilot was performing an engine run-up before takeoff in his experimental airplane when the engine lost all power. He exited the airplane to examine the engine and noticed a fire, which quickly spread and consumed most of the airplane. Due to extensive fire damage, the origin of and reason for the fire could not be determined.
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
- Fire/smoke (non-impact) during taxi (to runway) defining event
The NTSB's findings
- Not determined › Not determined › (general) › (general) › Unknown/Not determined
Pilot
- Certificate: sport pilot
- Ratings: single-engine land
- Flight time: 315 hours in all; 300 in this make and model; 0 in the last 90 days; 0 in the last 30 days; 278 as pilot in command; 0 on instruments
- Last flight review: December 26, 2017
- Medical certificate: Sport Pilot
- Seat: left
- Injury: no injuries
The aircraft
- Airframe total time: 421 hours
- Last inspection: annual inspection, September 26, 2018; 1 hours since
- Maximum gross weight: 1,234 lb
- Seats: 2
- Landing gear: fixed
- Engine: Jabiru 2200 (piston); 421 hours total
- Fire on the ground
The flight
- Departed from: DUC Duncan OK
- Destination: DUC Duncan OK
- Flight plan: none
Weather at the time
- Light: dusk
- Wind: from 110° at 5 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 84°F (29°C), dew point 70°F (21°C)
- Altimeter: 29.92 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
Photographs from the investigation 3 pictures from the NTSB's docket, as the NTSB released them
Photo 1 – View from Front of Airplane
Photo 2 – View from Left Side of Airplane
Photo 3 – View of Engine and PropellerThe NTSB's photographs with the NTSB's captions, at screen size. Open a picture to see it full size or to report one that should not be shown.
Documents from the investigation the NTSB's docket: the evidence folder behind the report
4 documents, released by the NTSB on July 9, 2020. 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, 7 pages | View Download |
| 2 | Correspondence with FAA | PDF, 1 page | View Download |
| 3 | Maintenance Records | PDF, 6 pages | View Download |
| 4 | Photos | PDF, 3 pages · our copy | View Download |
The same docket at the NTSB · documents without a copy here are fetched from the NTSB when you open them.
Connections how this case links to the rest of the register
- N1671L: not on the register today · the record of its deregistration
- Best Off SKYRANGER 6 registered today · the model family and its accident history
- Best Off 6 aircraft on the register
- Engine: Jabiru 2200 147 aircraft carry this series today · as the NTSB recorded it
- Halliburton Field · nearest airport
- Accidents and incidents in Oklahoma 1,300 since 1982 · 181 in the last ten years
- Oklahoma 5,657 aircraft registered
The whole map of how records connect · these connections as data: /graph/accident/CEN19LA324.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.