We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine
FAA Registry + type data
Airframe
Manufacturer
Sportavia Putzer
Model
RF5B SPERBER
Year
1974
Serial number
51043
Aircraft type
Glider
Category
Land
Certification
Not Type Certificated
Seats
2
Engines
1
Max takeoff weight
Up to 12,499 lb
Mode S code
A8B281
Engine
Make and model
Limbach 1700e
Type
Reciprocating
Power
68 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records
until 2019Individual ownerBoise, ID
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 19, 2026 · SDRs · Oct 16, 2026
NTSB events (1)
Accident · substantial damage
May 22, 2018 · Lookout Pass, MT
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 downdrafts.
These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
No ADs published since 1998 matched this airframe or engine model.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0)
No Service Difficulty Reports found for this airframe since 1995.