Models / Piper / PA-18-150 / N4785F Aircraft record N4785F 1962 Piper PA-18-150 Safety record in brief: 4 NTSB accidents (substantial damage at worst, latest Sep 2019) · No ADs since 1998 matched
Registration Valid expires Apr 30, 2030 NTSB events 4 substantial, 2019 ADs may apply 0 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 20, 2026
Registered owner Soaring Society Of Boulder INC
Owner type Corporation
City, state Boulder, CO
Certificate issued Mar 31, 1971
Expires Apr 30, 2030
Airworthiness Standard · Normal, Utility
Airworthiness date Mar 17, 1976 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 Piper
Model PA-18-150
Year 1962
Serial number 18-7906
Aircraft type Fixed wing single engine
Category Land
Certification Type Certificated
Seats 2
Engines 1
Max takeoff weight Up to 12,499 lb
Mode S code A5E1DF Engine
Make and model Lycoming O&Vo-360 Ser
Type Reciprocating
Power 180 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 1971 – now Soaring Society Of Boulder INC Boulder, CO · current Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026 NTSB events (4)
Accident · substantial damage Sep 23, 2019 · Boulder, CO The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
Damage Substantial
Injuries None
Report GAA19CA572 From NTSB records; matched by serial number. Read NTSB report (search CAROL for GAA19CA572)
Accident · substantial damage Mar 16, 2015 · Boulder, CO The pilot's loss of directional control during a bounced landing, which resulted in a runway excursion.
Damage Substantial
Injuries None
Report GAA15CA011 From NTSB records; matched by serial number. Read NTSB report (search CAROL for GAA15CA011)
Accident · substantial damage Jul 8, 2000 · Erie, CO Aircraft control was not possible by the flight instructor due to the inadequate maintenance adjustment of the tail wheel steering system by maintenance personnel. Factors were the inadequate aircraft preflight by the second pilot who was receiving a recurrency check ride, and the inadequate supervision, of the second pilot who was performing the preflight, by the flight instructor.
Damage Substantial
Injuries None
Report DEN00LA126 From NTSB records; matched by serial number. Read NTSB report (search CAROL for DEN00LA126)
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Accident · substantial damage Jul 1, 1999 · Boulder, CO The pilot's failure to maintain control of the aircraft during landing roll.
Damage Substantial
Injuries None
Report DEN99LA111 From NTSB records; matched by serial number. Read NTSB report (search CAROL for DEN99LA111)
Accident history for this model ADs published since 1998 that may apply (0) 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.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 20, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 20, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record