Koelzer David J SONEX
N36SX is a Koelzer David J SONEX, a fixed-wing airplane with one motor with a piston engine, built in 2002. It has 2 seats. It is registered to an individual in Marion, Iowa. The registration is valid: it was issued on June 24, 2002 and expires on September 30, 2027. It holds an experimental airworthiness certificate for amateur built, dated July 11, 2002.
Aircraft
- Maker
- Koelzer David J
- Model
- SONEX
- Serial number
- 0036
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor
- Seats
- 2
- Year built
- 2002
- Kit
- SONEX LTD SONEX
- Transponder code
- A40B99 (octal 51005631)
Registration
- Status
- Valid registration
- Certificate issued
- June 24, 2002
- Expires
- September 30, 2027
- Last FAA action
- March 17, 2023
- Airworthiness
- Experimental · Amateur built · July 11, 2002
- FAA region
- Central
- FAA record id
- 00727341
Owner as the FAA publishes it
- Name
- Koelzer David J
- Type
- Individual
- Address
- 2930 Baker St
Marion, IA 52302-9211
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 · 0 to understand · 5 clear
The public federal record on N36SX, 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 Koelzer David J, an individual, certificate issued June 24, 2002, expires September 30, 2027. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated July 11, 2002, consistent with the 2002 manufacture year. [1]
No earlier tail number is recorded against serial 0036 for this model in the deregistered file. [2]
No other airframe has carried N36SX 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]
No NTSB investigation records located under N36SX. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- 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