Cessna 180B
N9138T is a Cessna 180B, a fixed-wing airplane with one motor with a piston engine, built in 1959. It has 4 seats. It is registered to co-owned owners in Camano Island, Washington. The registration is valid: it was issued on February 13, 1989 and expires on December 31, 2029. It holds an experimental airworthiness certificate for research and development; to show compliance with regulations, dated December 31, 1974.
Aircraft
- Maker
- Cessna
- Model
- 180B · all 180Bs and related versions
- Serial number
- 50638
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Cont Motor O-470 SERIES · 230 hp
- Seats
- 4
- Year built
- 1959
- Cruising speed
- 121 mph
- Transponder code
- ACA552 (octal 53122522)
Registration
- Status
- Valid registration
- Certificate issued
- February 13, 1989
- Expires
- December 31, 2029
- Last FAA action
- September 22, 2023
- Airworthiness
- Experimental · Research and development; To show compliance with regulations · December 31, 1974
- FAA region
- Northwest Mountain
- FAA record id
- 00191041
Owner as the FAA publishes it
- Name
- Knopp Steven L
- Type
- Co-owned
- Address
- 1212 Moore Rd Ste 2
Camano Island, WA 98282-8820 - Co-owners
- Knopp Norma J
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 N9138T, 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 Knopp Steven L, a co-owned, certificate issued February 13, 1989, expires December 31, 2029. No fractional interest recorded. [1]
The airworthiness certificate on file is dated December 31, 1974, 15 years after the 1959 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 50638 for this model in the deregistered file. [2]
No other airframe has carried N9138T 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]
1 NTSB record under N9138T: Accident on September 23, 1986 at Dry Bay, AK: no injuries, destroyed. 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 1
Aircraft on the NTSB record: Cessna 180 · operated under 091
Search the NTSB's CAROL system for SEA86LA250 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