# N99818: 1976 Sportavia Putzer RF5B SPERBER

- Status: Valid registration
- Airframe: [Sportavia Putzer RF5B SPERBER](https://openairdocs.org/model/sportavia-putzer-rf5b-sperber) (registry code 8451016, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 51064
- Year built: 1976
- Type: Glider
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: October 11, 1979
- Certificate issued: June 5, 2019
- Expires: June 30, 2029
- Mode S code: ADF2F7
- Registered owners: [Slad George W](https://openairdocs.org/faa-owner/SLAD%20GEORGE%20W), [Slad Carrie L](https://openairdocs.org/faa-owner/SLAD%20CARRIE%20L)
- Location: [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)
- Owner type: Co-owned
- Owner's area on the map: 35.1430° N, 106.7635° W: Placed by OpenAirDocs at the center of ZIP code 87120, 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=99818
- Page: https://openairdocs.org/aircraft/N99818

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 (Sportavia Putzer RF5B SPERBER)

None in force.

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

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N99818.

## FAA accident and incident reports

None matched to N99818.

## 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 N99818

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N99818 before.

- [Cancelled 1949-07-12](https://openairdocs.org/deregistered/N99818-1949-07-12): Ercoupe 415-C, S/N 2441. Owner: [Butler Hansel Harmon](https://openairdocs.org/faa-owner/BUTLER%20HANSEL%20HARMON), [Waverly, OH](https://openairdocs.org/faa-place/OH/Waverly)

## Related

- Other Sportavia Putzer RF5B SPERBER aircraft: https://openairdocs.org/model/sportavia-putzer-rf5b-sperber/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.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.