# Briseno Samuel KOLB FIREFLY

- Type: Aircraft model (FAA registry)
- Registry code: 05904XM
- Manufacturer (registry): BRISENO SAMUEL
- Model: KOLB FIREFLY
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · 2 cycle
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Light sport
- Registered aircraft: 0
- Page: https://openairdocs.org/model/briseno-samuel-kolb-firefly

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## NTSB investigations (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 (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…

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Rick Hingtgen KOLB FIREFLY](https://openairdocs.org/model/rick-hingtgen-kolb-firefly): 0 registered aircraft, registry code 056307K
- [Tuton Beauford W III KOLB FIREFLY](https://openairdocs.org/model/tuton-beauford-w-iii-kolb-firefly): 0 registered aircraft, registry code 0590162
- [Bassett Robin C KOLB FIREFLY](https://openairdocs.org/model/bassett-robin-c-kolb-firefly): 0 registered aircraft, registry code 0590182

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