# N5725: 1974 Glasflugel STD LIBELLE 201B

- Status: Valid registration
- Airframe: [Glasflugel STD LIBELLE 201B](https://openairdocs.org/model/glasflugel-std-libelle-201b) (registry code 3800344, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 550
- Year built: 1974
- Type: Glider
- Engine type: None
- Airworthiness: Standard
- Airworthiness date: July 28, 1974
- Certificate issued: January 29, 2014
- Expires: January 31, 2030
- Mode S code: A758DE
- Registered owners: [Slack Jonathan D](https://openairdocs.org/faa-owner/SLACK%20JONATHAN%20D), [Slack Yvonne E](https://openairdocs.org/faa-owner/SLACK%20YVONNE%20E)
- Location: [Bonfield, IL](https://openairdocs.org/faa-place/IL/Bonfield)
- Owner type: Partnership
- Owner's area on the map: 41.1484° N, 88.0620° W: Placed by OpenAirDocs at the center of ZIP code 60913, 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=5725
- Page: https://openairdocs.org/aircraft/N5725

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 (Glasflugel STD LIBELLE 201B)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5725.

## FAA accident and incident reports

None matched to N5725.

## 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.

## Earlier aircraft with N5725

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N5725 before.

- [Cancelled 1962-07-03](https://openairdocs.org/deregistered/N5725-1962-07-03): Cessna CH-1C, S/N 45525. Owner: [Cessna Aircraft Company](https://openairdocs.org/faa-owner/CESSNA%20AIRCRAFT%20COMPANY), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita)

## Related

- Other Glasflugel STD LIBELLE 201B aircraft: https://openairdocs.org/model/glasflugel-std-libelle-201b/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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