# N44LS: 2019 Cirrus Design SF50

- Status: Valid registration
- Airframe: [Cirrus Design SF50](https://openairdocs.org/model/cirrus-design-sf50) (registry code 2130010, 7 seats)
- Engine: [Williams FJ33-5A](https://openairdocs.org/engine/williams-fj33-5a) (registry code 66015)
- Data sheets: [TCDS A00018CH](https://openairdocs.org/tcds/A00018CH) (Cirrus Design Corporation), [TCDS E3GL](https://openairdocs.org/tcds/E3GL) (Williams International Company L.L.C.) (OpenAirDocs)
- Serial number: 0133
- Year built: 2019
- Type: Fixed wing single engine
- Engine type: Turbo-fan
- Airworthiness: Standard, normal
- Airworthiness date: July 26, 2019
- Certificate issued: September 11, 2019
- Expires: September 30, 2029
- Mode S code: A5494F
- Registered owner: [Den Enterprises LLC](https://openairdocs.org/faa-owner/DEN%20ENTERPRISES%20LLC)
- Location: [Peoa, UT](https://openairdocs.org/faa-place/UT/Peoa)
- Owner type: LLC
- Owner's area on the map: 40.7635° N, 111.3200° W: Placed by OpenAirDocs at the center of ZIP code 84061, 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=44LS
- Page: https://openairdocs.org/aircraft/N44LS

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): 3 in force

### Matched by airframe (Cirrus Design SF50)

- [AD 2023-04-20](https://openairdocs.org/ad/2023-04-20): Auto Flight System · Cirrus Design SF50. Effective Mar 21, 2023
- [AD 2020-03-50](https://openairdocs.org/ad/2020-03-50): Communications · Cirrus Design SF50. Effective Jun 11, 2020
- [AD 2019-08-51](https://openairdocs.org/ad/2019-08-51): Flight Controls · Cirrus Design SF50. Effective Jun 17, 2019

### Matched by engine (Williams FJ33-5A)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N44LS.

## FAA accident and incident reports

None matched to N44LS.

## 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) (3)

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 (Cirrus Design SF50)

- [STC SA09887AC](https://openairdocs.org/stc/SA09887AC): Installation of an Avionica MK-III mini Quick Access Recorder (QAR) and optional 4G or LTE Avionica Cellular Module (avCM. Aircraft Systems and Manufacturing Inc
- [STC SA04615CH](https://openairdocs.org/stc/SA04615CH): BasicMed 6-place occupancy restriction. CIRRUS DESIGN CORPORATON
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation

## Earlier aircraft with N44LS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N44LS before.

- [Cancelled 2013-07-02](https://openairdocs.org/deregistered/N44LS-2013-07-02): Stratton Leon CHALLENGER II SPEC, S/N CH21190CW0589, built 1991. Registration expired, pending cancellation. Owner: [Stratton Leon Steven](https://openairdocs.org/faa-owner/STRATTON%20LEON%20STEVEN), [Oak Brook, IL](https://openairdocs.org/faa-place/IL/Oak%20Brook)

## Related

- Other Cirrus Design SF50 aircraft: https://openairdocs.org/model/cirrus-design-sf50/aircraft.md
- The Williams FJ33-5A engine: https://openairdocs.org/engine/williams-fj33-5a.md

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