Muehlberg Stephen E ZENITH STOL CH 750
N404Z is a Muehlberg Stephen E ZENITH STOL CH 750, a fixed-wing airplane with one motor with a piston engine, built in 2025. It has 2 seats. It is registered to an individual in Newcastle, Oklahoma. The registration is valid: it was issued on May 16, 2022 and expires on May 31, 2029. It holds an experimental airworthiness certificate for amateur built, dated September 2, 2025.
Aircraft
- Maker
- Muehlberg Stephen E
- Model
- ZENITH STOL CH 750
- Serial number
- 75-10404
- Type
- Fixed-wing, single engine
- Power
- Piston (reciprocating), 1 motor · Lycoming O-235-C1 · 115 hp
- Seats
- 2
- Year built
- 2025
- Kit
- ZENITH AIRCRAFT CO CH750
- Transponder code
- A4BDBC (octal 51136674)
Registration
- Status
- Valid registration
- Certificate issued
- May 16, 2022
- Expires
- May 31, 2029
- Last FAA action
- August 4, 2023
- Airworthiness
- Experimental · Amateur built · September 2, 2025
- FAA region
- Southwestern
- FAA record id
- 01365700
Owner as the FAA publishes it
- Name
- Muehlberg Stephen E
- Type
- Individual
- Address
- 954 Redbud Ln
Newcastle, OK 73065-6069
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 N404Z, 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 Muehlberg Stephen E, an individual, certificate issued May 16, 2022, expires May 31, 2029. No fractional interest recorded. [1]
Experimental certificate for amateur built, dated September 2, 2025, consistent with the 2025 manufacture year. [1]
No earlier tail number is recorded against serial 75-10404 for this model in the deregistered file. [2]
N404Z was previously assigned to 1 other aircraft: Hughes 269C (serial 1201007, cancelled September 16, 2014). 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 N404Z: Accident on May 26, 1985 at Joliet, IL: minor 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: Hughes 300 · operated under 091
Search the NTSB's CAROL system for CHI85FA210 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