# N503FN: 2023 Kubicek Factory S R O BB26D

- Status: Valid registration
- Airframe: [Kubicek Factory S R O BB26D](https://openairdocs.org/model/kubicek-factory-s-r-o-bb26d) (registry code 1370464, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS B04CE](https://openairdocs.org/tcds/B04CE) (Kubíček Factory s.r.o) (OpenAirDocs)
- Serial number: 2138
- Year built: 2023
- Type: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: September 5, 2023
- Certificate issued: August 15, 2023
- Expires: August 31, 2030
- Mode S code: A6459F
- Registered owner: [Endeavour Hot Air Balloon LLC](https://openairdocs.org/faa-owner/ENDEAVOUR%20HOT%20AIR%20BALLOON%20LLC)
- Location: [Grafton, OH](https://openairdocs.org/faa-place/OH/Grafton)
- Owner type: LLC
- Owner's area on the map: 41.2663° N, 82.0417° W: Placed by OpenAirDocs at the center of ZIP code 44044, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=503FN
- Page: https://openairdocs.org/aircraft/N503FN

From the FAA registry file of October 22, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Kubicek Factory S R O BB26D)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N503FN.

## FAA accident and incident reports

None matched to N503FN.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (4)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Kubicek Factory S R O BB26D)

- [STC SB04407AT](https://openairdocs.org/stc/SB04407AT): Installation of the DBI-III Omega. Balloonacy, Ltd. LLC
- [STC SB04127CH](https://openairdocs.org/stc/SB04127CH): Replace the Balony Kubicek Basket/Burner system and fuel tanks with the FireFly (Balloon Works) Basket Model 5.0-A1, S/N 5082; the FireFly (Balloon Works) Burner Model F-01 Mirage, S/Ns 117 and 172; and FireFly (Balloon Works) fuel tanks, P/N 322AF (S/N 73201J), P/N 3035S (S/Ns 73196J, 73191J, 73197J, and 73221J) and P/N 3035L (S/N 45883J). Jack Edling
- [STC SB04067CH](https://openairdocs.org/stc/SB04067CH): Replace the Balony Kubicek Basket/Burner system and fuel tanks with the FireFly (Balloon Works) Basket Model 4.9-A1, S/N 295; the FireFly (Balloon Works) Burner Model F1 Mirage, S/N 117; and FireFly (Balloon Works) fuel tanks, P/N 3035L (S/Ns 64810J, 64793J, 45883J, and 65361J) and P/N 3229N (S/N 65339J). The FireFly (Balloon Works) Basket/Burner. Jack Edling
- [STC SB03301CH](https://openairdocs.org/stc/SB03301CH): Replace the Balony Kubicek Basket/Burner system and fuel tanks with the FireFly (Balloon Works) Basket Model 5.0, S/N 5060; the FireFly (Balloon Works) Burner Model F1 Mirage, S/N 117; and FireFly (Balloon Works) fuel tanks, P/N 3035L (S/Ns 64810J, 64793J, 45883J, and 65361J) and P/N 3229N (S/N 65339J). Jack Edling

## Related

- Other Kubicek Factory S R O BB26D aircraft: https://openairdocs.org/model/kubicek-factory-s-r-o-bb26d/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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