| Tail Number / N-Number | N404Z |
| Manufacturer | MUEHLBERG STEPHEN E |
| Model | ZENITH STOL CH 750 |
| Manufacturer's Serial Number | 75-10404 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Kit Manufacturer | ZENITH AIRCRAFT CO |
| Kit Model | CH750 |
| Type of Registrant | Individual |
| Owner Name | MUEHLBERG STEPHEN E |
| Street | 954 REDBUD LN |
| City | NEWCASTLE |
| State | OK |
| Zip Code | 73065-6069 |
| Region | Southwestern |
| County | McClain County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2022-05-16 |
| Last Action Date | 2022-05-16 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51136674 |
| Mode S Code Hex | A4BDBC |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N404Z.
| Tail Number / N-Number | N404Z |
| Manufacturer | HUGHES |
| Model | 269C |
| Year Built | 1981 |
| Manufacturer's Serial Number | 1201007 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | HIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 64 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | ZERO FOUR ZULU PARTNERS |
| Street | 144 HILLCREST DRIVE |
| City | HINSDALE |
| State | IL |
| Zip Code | 60521 |
| County | McClain County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1983-09-16 |
| Certificate Issue Date | 1985-01-22 |
| Last Action Date | 1988-02-12 |
| Last Status | Registration Expired – Pending Cancellation |
| Cancellation Date | 2014-09-16 |