# N9025N: Leopold H/Leopold G WARNER SPORTSTER

- Status: Valid registration
- Airframe: [Leopold H/Leopold G WARNER SPORTSTER](https://openairdocs.org/model/leopold-h-leopold-g-warner-sportster) (registry code 05622KJ, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 50102
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Warner Aerocraft Co SPORTSTER
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 9, 2009
- Certificate issued: November 6, 2024
- Expires: November 30, 2031
- Mode S code: AC79AE
- Registered owner: [Leopold Gary L](https://openairdocs.org/faa-owner/LEOPOLD%20GARY%20L)
- Location: [Winterset, IA](https://openairdocs.org/faa-place/IA/Winterset)
- Owner type: Individual
- Owner's area on the map: 41.3265° N, 94.0490° W: Placed by OpenAirDocs at the center of ZIP code 50273, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9025N
- Page: https://openairdocs.org/aircraft/N9025N

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.

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

### Matched by airframe (Leopold H/Leopold G WARNER SPORTSTER)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N9025N.

## NTSB investigations on N9025N not matched to an aircraft (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 DEN83FTE09](https://openairdocs.org/ntsb/DEN83FTE09), Jun 4, 1983: Link-Johnson-Chessman HP-16 (N9025N), Eldorado Sprgs., CO, substantial damage, 1 fatal

## FAA accident and incident reports

None matched to N9025N.

## Reports on N9025N not matched to an aircraft (1)

They name N9025N, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19830604022349A](https://openairdocs.org/incident/19830604022349A), Jun 4, 1983: Amtr HP16 (N9025N), Eldorado Spring, CO, Substantial damage. Struck the side of a mountain. Possible factors, downdraft and mujudgement no witnesses.

## 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 N9025N not matched to an aircraft (1)

They name N9025N, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 95ZZZY0956](https://openairdocs.org/sdr/95ZZZY0956), May 10, 1995: SEALING RING. LEAKING. SEALING RING LEAKING BEYOND SERVICEABLE LIMITS. REPLACED WITH NEW UNIT(S), CORRECTED PROBLEM.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N9025N

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N9025N before.

- [Cancelled 2004-09-15](https://openairdocs.org/deregistered/N9025N-2004-09-15): Brantly B-2B, S/N 2008, built 1998. Exported to Australia. Owner: [Brantly International Inc](https://openairdocs.org/faa-owner/BRANTLY%20INTERNATIONAL%20INC), [Vernon, TX](https://openairdocs.org/faa-place/TX/Vernon)
- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N9025N-undated): Link-Johnson HP-16, S/N 1

## Related

- Other Leopold H/Leopold G WARNER SPORTSTER aircraft: https://openairdocs.org/model/leopold-h-leopold-g-warner-sportster/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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