- Registered owner
- Soaring Society Of Boulder Inc
- Location
- Boulder, CO
- Owner type
- Corporation
- Serial number
- 18-7906
- Year built
- 1962
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard, normal, utility
- Airworthiness date
- March 17, 1976
- Certificate issued
- March 31, 1971
- Expires
- April 30, 2030
- Mode S code
- A5E1DF
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming O&VO-360 model are included below.
On this page
Airworthiness directives that may apply · 56
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1956 | 1 |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1969 | 3 |
| 1977 | 2 |
| 1978 | 1 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 2 |
| 1982 | 1 |
| 1985 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 2 |
| 1999 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 1 |
| 2005 | 2 |
| 2006 | 6 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2012 | 2 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Airframe · Piper PA-18-150
AD 2025-02-11Rudder StructureAD 2022-03-15Fuel Quantity IndicatorAD 2015-08-04WingsInformation bulletins that may apply · 11
Advisory, not mandatory.
Airframe · Piper PA-18-150
SAIB SW-18-31Navigation, Attitude, and Direction Data SystemSAIB ACE-96-04Engine · Lycoming O&VO-360 series
SAIB NE-06-31R6Engine Lubricating OilsNTSB investigations · 4
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
NTSB GAA19CA572Accident · No injuriesData collectionFinal reportBoulder, COThe pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.NTSB GAA15CA011Accident · No injuriesData collectionFinal reportBoulder, COThe pilot's loss of directional control during a bounced landing, which resulted in a runway excursion.NTSB DEN00LA126Accident · No injuriesLimited investigationFinal reportErie, COAircraft 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…NTSB DEN99LA111Accident · No injuriesLimited investigationFinal reportBoulder, COThe pilot's failure to maintain control of the aircraft during landing roll.
FAA incident reports · 4
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Accident 20190923013579ALanding: Rollout · Boulder, COThe PIC stated that on September 23, 2019 at approximately 1400 local, he had a stabilized approach to runway 08 at kbdu in Boulder, CO. The pilot stated and it was confirmed that winds were calm at the time of the accident. The pilot stated that the landing…Accident 20150316003149ALanding: Touchdown · Boulder, COOn 03/16/2015 at 0815 hrs MDT,N4785F a Piper PA-18-150 was damaged when the aircraft left the runway an impacted a berm. Single pilot was uninjured. Weather at the time was VMC.Accident 20000708010469AErie, CO(-23) Pilot terry was checking pilot mainero out in the glider club's tow plane and during landing mainero lost control of the aircraft. Pilot terry took control of aircraft but it was too late and aircraft ground looped damaging the wing.Accident 19990701007999ABoulder, COAcft flipped over on landing, other circumstances are unknown. (-23)no narrative
Service difficulty reports
No reports matched to N4785FGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Piper PA-18-150 aircraft
STCs that may be installed · 464
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Piper PA-18-150
STC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblySTC SA02571SEInstallation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display).STC SA01800SEFabrication and installation of new or replacement of existing instrument panel lights dimmer control.