# N139SB: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 1
- Last cancelled: March 22, 2026
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=139SB
- Page: https://openairdocs.org/aircraft/N139SB

## Aircraft that carried N139SB

- [Cancelled 2026-03-22](https://openairdocs.org/deregistered/N139SB-2026-03-22): Briseno Samuel KOLB FIREFLY, S/N FF00-2-00013, built 2003. Owner: [Hawley Brad J](https://openairdocs.org/faa-owner/HAWLEY%20BRAD%20J), [Cave Junction, OR](https://openairdocs.org/faa-place/OR/Cave%20Junction)

## NTSB investigations on N139SB (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB WPR25LA287](https://openairdocs.org/ntsb/WPR25LA287), Sep 13, 2025: Briseno Samuel Kolb Firefly (N139SB), Cave Junction, OR, substantial damage. Probable cause: The non-certificated pilot's improper landing flare in turbulent wind conditions, which resulted in a hard landing.

## FAA accident and incident reports on N139SB (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20250913015429A](https://openairdocs.org/incident/20250913015429A), Sep 13, 2025: Briseno Samuel KOLB FIREFLY (N139SB), Cave Junction, OR, Substantial damage. [privacy data omitted] Had purchased aircraft believing that he had an ultralight aircraft. Aircraft was advertised as ultralight design by manufacture.…
- [Incident 20221009017349I](https://openairdocs.org/incident/20221009017349I), Oct 9, 2022: Briseno Samuel KOLB FIREFLY (N139SB), Laytonville, CA, Minor damage. Pilot reports normal take-off and climb. In cruise flight pilot reports a significant reduction in power and unable to hold altitude. Pilot selected to land on…

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