Piper PA-18-150
N4393Z is a Piper PA-18-150, a fixed-wing airplane with one motor with a piston engine, built in 1968. It has 2 seats. It is registered to Williams Aircraft LLC, an LLC in Anchorage, Alaska. The registration is valid: it was issued on September 7, 2023 and expires on September 30, 2030. It holds a multiple airworthiness certificate for standard; restricted; other, dated August 21, 2024.
Aircraft
- Maker
- Piper
- Model
- PA-18-150 · all PA-18-150s and related versions
- Serial number
- 18-8724
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming 0-360 SERIES · 180 hp
- Seats
- 2
- Year built
- 1968
- Cruising speed
- 97 mph
- Transponder code
- A54766 (octal 51243546)
Registration
- Status
- Valid registration
- Certificate issued
- September 7, 2023
- Expires
- September 30, 2030
- Last FAA action
- September 7, 2023
- Airworthiness
- Multiple · Standard; Restricted; Other · August 21, 2024
- FAA region
- Alaskan
- FAA record id
- 00392344
Owner as the FAA publishes it
- Name
- Williams Aircraft LLC
- Type
- LLC
- Address
- 12500 Summer Dr
Anchorage, AK 99516-2666
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 N4393Z, 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 Williams Aircraft LLC, an LLC, certificate issued September 7, 2023, expires September 30, 2030. No fractional interest recorded. [1]
The airworthiness certificate on file is dated August 21, 2024, 56 years after the 1968 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 18-8724 for this model in the deregistered file. [2]
No other airframe has carried N4393Z 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 N4393Z: Accident on November 3, 2017 at Murphy, ID: fatal, substantial damage (1 fatal). Accident on September 1, 1996 at Tyonek, 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: Piper PA 18-150 · operated under 091
Failure of the left aileron control cable that resulted in a loss of aircraft control during takeoff. Contributing to the accident was inadequate maintenance inspections to the aileron cable connections.
Search the NTSB's CAROL system for WPR18FA026 for the docket and final report. Open CAROL
Aircraft on the NTSB record: Piper PA-18 · operated under 091
the pilot's premature liftoff and subsequent inadvertent stall.
Search the NTSB's CAROL system for ANC96LA133 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