# N521NG: 2016 Airplane Factory SLING LSA

- Status: Valid registration
- Airframe: [Airplane Factory SLING LSA](https://openairdocs.org/model/airplane-factory-sling-lsa) (registry code 06001AV, 2 seats)
- Engine: [Rotax 912 IS series](https://openairdocs.org/engine/rotax-912-is-series) (registry code 55593)
- Data sheets: [TCDS E00051EN](https://openairdocs.org/tcds/E00051EN) (BRP-Rotax GmbH & Co KG) (OpenAirDocs)
- Serial number: 217
- Year built: 2016
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Light sport, airplane
- Airworthiness date: July 18, 2016
- Certificate issued: July 19, 2023
- Expires: July 31, 2030
- Mode S code: A68DD8
- Registered owner: [Ultimate Flight LLC](https://openairdocs.org/faa-owner/ULTIMATE%20FLIGHT%20LLC)
- Location: [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City)
- Owner type: LLC
- Owner's area on the map: 39.1275° N, 119.7258° W: Placed by OpenAirDocs at the center of ZIP code 89701, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=521NG
- Page: https://openairdocs.org/aircraft/N521NG

From the FAA registry file of October 24, 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. The registry lists only the engine series, so ADs for every Rotax 912 IS model are included.

## ADs that may apply (OpenAirDocs): 3 in force

### Matched by airframe (Airplane Factory SLING LSA)

None in force.

### Matched by engine (Rotax 912 IS series)

- [AD 2026-16-11](https://openairdocs.org/ad/2026-16-11): Reciprocating Engine Front Section · BRP-Rotax 912 F2, 912 F3, 912 F4 and 16 more. Effective Aug 28, 2026
- [AD 2025-15-03](https://openairdocs.org/ad/2025-15-03): Reciprocating Engine Oil System · BRP-Rotax 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24 and 1 more. Effective Aug 6, 2025
- [AD 2023-17-13](https://openairdocs.org/ad/2023-17-13): Reciprocating Engine Front Section · BRP-Rotax 912 F2, 912 F3, 912 F4 and 16 more. Effective Sep 20, 2023

### Historical (superseded or no longer in force)

- [AD 2025-07-02](https://openairdocs.org/ad/2025-07-02) (historical): Reciprocating Engine Oil System · BRP-Rotax 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24 and 1 more. Effective Apr 21, 2025

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N521NG.

## FAA accident and incident reports (1)

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.

- [Incident 20180628008749I](https://openairdocs.org/incident/20180628008749I), Jun 28, 2018: Airplane Factory (Pty) Ltd SLING LSA (N521NG), Poplar Grove, IL, Minor damage. On June 28, 2018 at 0945 UTC the nose wheel of N521NG departed the aircraft due to a hard landing by the pilot in command (PIC). There was minor damage to the…

## 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)

None matched to this aircraft's models.

## Related

- Other Airplane Factory SLING LSA aircraft: https://openairdocs.org/model/airplane-factory-sling-lsa/aircraft.md
- The Rotax 912 IS series engine: https://openairdocs.org/engine/rotax-912-is-series.md

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