# N8548U: 2007 Aero SP Z O O AT-4 LSA

- Status: Valid registration
- Airframe: [Aero SP Z O O AT-4 LSA](https://openairdocs.org/model/aero-sp-z-o-o-at-4-lsa) (registry code 060004P, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: AT4-005
- Year built: 2007
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Light sport, airplane
- Airworthiness date: October 23, 2007
- Certificate issued: February 11, 2022
- Expires: February 28, 2029
- Mode S code: ABB9B7
- Registered owner: [Clouse Thomas L](https://openairdocs.org/faa-owner/CLOUSE%20THOMAS%20L)
- Location: [Zellwood, FL](https://openairdocs.org/faa-place/FL/Zellwood)
- Owner type: Individual
- Owner's area on the map: 28.7237° N, 81.5704° W: Placed by OpenAirDocs at the center of ZIP code 32798, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8548U
- Page: https://openairdocs.org/aircraft/N8548U

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 912ULS model are included.

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

### Matched by airframe (Aero SP Z O O AT-4 LSA)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## 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 ERA25FA154](https://openairdocs.org/ntsb/ERA25FA154), Mar 22, 2025: Aero SP Z O O AT-4 LSA (N8548U), Zellwood, FL, substantial damage, 1 fatal, investigation ongoing

## 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.

- [Accident 20250322003199A](https://openairdocs.org/incident/20250322003199A), Mar 22, 2025: Aero Sp Z O O AT-4 LSA (N8548U), Zellwood, FL, Destroyed, 1 fatal. On March 22, 2025, at about 0935 eastern daylight time, an Aero AT-4 LSA (light sport aircraft) crashed off the departure end of runway 27 at Bob White Field…

## 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.

## Service difficulty reports on N8548U not matched to an aircraft (1)

They name N8548U, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 99ZZZX1083](https://openairdocs.org/sdr/99ZZZX1083), Mar 15, 1999: ROD. CRACKED. INSPECTED NOSE GEAR ACTUATOR ROD FOR CRACKS AT THE THREADED END. CRACK DISCOVERED IN THE BOTTOM OF THE THREAD GROOVE BELOW THE JAMB NUT SECURING FITTING, PN 2-4

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N8548U

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8548U before.

- [Cancelled 1973-09-25](https://openairdocs.org/deregistered/N8548U-1973-09-25): Cessna 172F, S/N 17252448. Exported to Canada. Owner: [Luedtke Dean L](https://openairdocs.org/faa-owner/LUEDTKE%20DEAN%20L), [Bloomington, MN](https://openairdocs.org/faa-place/MN/Bloomington)

## Related

- Other Aero SP Z O O AT-4 LSA aircraft: https://openairdocs.org/model/aero-sp-z-o-o-at-4-lsa/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.