# N66GL: 1974 Sportavia Putzer RF5B SPERBER, registration cancelled 2019-09-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 13, 2019
- Status when cancelled: Sale reported, canceled
- Airframe: [Sportavia Putzer RF5B SPERBER](https://openairdocs.org/model/sportavia-putzer-rf5b-sperber) (registry code 8451016)
- Engine: [Limbach 1700E](https://openairdocs.org/engine/limbach-1700e) (registry code 38602)
- Serial number: 51043
- Year built: 1974
- Type of aircraft: Glider
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 10, 1980
- Last registry action: December 15, 2018
- Mode S code: A8B281
- Location: [Boise, ID](https://openairdocs.org/faa-place/ID/Boise)
- Owner type: Individual
- Owner's area on the map: 43.5548° N, 116.2214° W: Placed by OpenAirDocs at the center of ZIP code 83705, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N66GL
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66GL
- Page: https://openairdocs.org/deregistered/N66GL-2019-09-13

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Sportavia Putzer RF5B SPERBER: https://openairdocs.org/model/sportavia-putzer-rf5b-sperber.md

## 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 WPR18LA145](https://openairdocs.org/ntsb/WPR18LA145), May 22, 2018: Sportavia Putzer RF5B Sperber (N66GL), Lookout Pass, MT, substantial damage. Probable cause: The pilot’s improper decision to continue flight toward rising terrain after the engine overheated, which necessitated a precautionary landing when the motorglider could not maintain altitude in…

## 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 20180522005799A](https://openairdocs.org/incident/20180522005799A), May 22, 2018: Sportavia Putzer RF5B SPERBER (N66GL), Lookout Pass, MT, Destroyed. On may 22, 2018, at 1448 MDT. A Sportavia Putzer glider, crashed onto highway 90 on the Montana state side, while enroute to seattle Washington. Visual…

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