Cessna 180G
N4631U is a Cessna 180G, a fixed-wing airplane with one motor with a piston engine, built in 1963. It has 6 seats. It is registered to an individual in Anchorage, Alaska. The registration is valid: it was issued on November 6, 2018 and expires on November 30, 2028. It holds a standard airworthiness certificate for normal, dated January 3, 1964.
Aircraft
- Maker
- Cessna
- Model
- 180G · all 180Gs and related versions
- Serial number
- 18051331
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Cont Motor O-470 SERIES · 230 hp
- Seats
- 6
- Year built
- 1963
- Cruising speed
- 121 mph
- Transponder code
- A5A74E (octal 51323516)
Registration
- Status
- Valid registration
- Certificate issued
- November 6, 2018
- Expires
- November 30, 2028
- Last FAA action
- June 23, 2023
- Airworthiness
- Standard · Normal · January 3, 1964
- FAA region
- Alaskan
- FAA record id
- 00753164
Owner as the FAA publishes it
- Name
- Spiro Paul M
- Type
- Individual
- Address
- PO Box 101074
Anchorage, AK 99510-1074
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 · 1 to understand · 4 clear
The public federal record on N4631U, 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 Spiro Paul M, an individual, certificate issued November 6, 2018, expires November 30, 2028. No fractional interest recorded. [1]
Standard certificate for normal, dated January 3, 1964, consistent with the 1963 manufacture year. [1]
No earlier tail number is recorded against serial 18051331 for this model in the deregistered file. [2]
No other airframe has carried N4631U 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]
2 NTSB records under N4631U: Accident on October 5, 2024 at Big Lake, AK: fatal, substantial damage (1 fatal). Accident on July 28, 2008 at Anchorage, AK: 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 2
Aircraft on the NTSB record: Cessna 180 · operated under 091
On October 4, 2024, about 1730 Alaska daylight time, a float-equipped Cessna 180 airplane, N4631U, sustained substantial damage when it was involved in an accident near Big Lake, Alaska. The pilot was fatally injured, and one passenger sustained serious injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 flight. According to the passenger, the airplane was departing from East Butterfly Lake, near Big Lake for a return flight to the Lake Hood Seaplane Base (LHD), Anchorage, Alaska. The passenger reported that just before starting their northerly takeoff run, st…
Search the NTSB's CAROL system for ANC25FA001 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Cessna 180G · operated under 091
The pilot's failure to maintain directional control during landing. Contributing to the accident was an inadvertent ground-loop.
Search the NTSB's CAROL system for ANC08CA090 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