Casler Scott CX-4
N5089Q is a Casler Scott CX-4, a fixed-wing airplane with one motor with a piston engine, built in 2008. It has 1 seat. It is registered to Siefkes Siegfried H, a partnership in Baker City, Oregon. The registration is valid: it was issued on May 22, 2023 and expires on May 31, 2030. It holds an experimental airworthiness certificate for amateur built, dated April 1, 2008.
Aircraft
- Maker
- Casler Scott
- Model
- CX-4
- Serial number
- 95
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor
- Seats
- 1
- Year built
- 2008
- Transponder code
- A65B4A (octal 51455512)
Registration
- Status
- Valid registration
- Certificate issued
- May 22, 2023
- Expires
- May 31, 2030
- Last FAA action
- May 25, 2023
- Airworthiness
- Experimental · Amateur built · April 1, 2008
- FAA region
- Northwest Mountain
- FAA record id
- 00256219
Owner as the FAA publishes it
- Name
- Siefkes Siegfried H
- Type
- Partnership
- Address
- PO Box 952
Baker City, OR 97814-0952 - Co-owners
- Baker Justin C
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.
Earlier use of this number 1
Records check free · 2 to understand · 3 clear
The public federal record on N5089Q, 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 Siefkes Siegfried H, a partnership, certificate issued May 22, 2023, expires May 31, 2030. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated April 1, 2008, consistent with the 2008 manufacture year. [1]
No earlier tail number is recorded against serial 95 for this model in the deregistered file. [2]
N5089Q was previously assigned to 1 other aircraft: Bell UH-1E (serial 155351, cancelled February 13, 2003). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [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 N5089Q: Accident on November 9, 2011 at San Carlos, AZ: 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 1
Aircraft on the NTSB record: Casler Scott CX-4 · operated under 091
The pilot's inadequate directional control during takeoff.
Search the NTSB's CAROL system for WPR12CA033 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