Piper PA-18-150
N4785F is a Piper PA-18-150, a fixed-wing airplane with one motor with a piston engine, built in 1962. It has 2 seats. It is registered to Soaring Society Of Boulder INC, a corporation in Boulder, Colorado. The registration is valid: it was issued on March 31, 1971 and expires on April 30, 2030. It holds a standard airworthiness certificate for normal; utility, dated March 17, 1976.
Aircraft
- Maker
- Piper
- Model
- PA-18-150 · all PA-18-150s and related versions
- Serial number
- 18-7906
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming O&VO-360 SER · 180 hp
- Seats
- 2
- Year built
- 1962
- Cruising speed
- 97 mph
- Transponder code
- A5E1DF (octal 51360737)
Registration
- Status
- Valid registration
- Certificate issued
- March 31, 1971
- Expires
- April 30, 2030
- Last FAA action
- October 20, 2023
- Airworthiness
- Standard · Normal; Utility · March 17, 1976
- FAA region
- Northwest Mountain
- FAA record id
- 00290125
Owner as the FAA publishes it
- Name
- Soaring Society Of Boulder INC
- Type
- Corporation
- Address
- PO Box 17577
Boulder, CO 80308-0577
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Records check free · 2 to understand · 3 clear
The public federal record on N4785F, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Soaring Society Of Boulder INC, a corporation, certificate issued March 31, 1971, expires April 30, 2030. No fractional interest recorded. [1]
The airworthiness certificate on file is dated March 17, 1976, 14 years after the 1962 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains. [1]
No earlier tail number is recorded against serial 18-7906 for this model in the deregistered file. [2]
No other airframe has carried N4785F according to the deregistered file. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
4 NTSB records under N4785F: Accident on September 23, 2019 at Boulder, CO: no injuries, substantial damage. Accident on March 16, 2015 at Boulder, CO: no injuries, substantial damage. Accident on July 8, 2000 at Erie, CO: no injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 4
Aircraft on the NTSB record: Piper PA18 · operated under 091
The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.
Search the NTSB's CAROL system for GAA19CA572 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Piper PA18 - 150 · operated under 091
The pilot's loss of directional control during a bounced landing, which resulted in a runway excursion.
Search the NTSB's CAROL system for GAA15CA011 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Piper PA-18-150 · operated under 091
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.
Search the NTSB's CAROL system for DEN00LA126 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Piper PA-18-150 · operated under 091
The pilot's failure to maintain control of the aircraft during landing roll.
Search the NTSB's CAROL system for DEN99LA111 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data