| Tail Number / N-Number | N5423M |
| Manufacturer | MILLIGAN JACK S |
| Model | MILLIGAN SPEC |
| Manufacturer's Serial Number | 9901 |
| 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) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | A&C75 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 75 hp (56 kW) |
| Type of Registrant | Individual |
| Owner Name | BERRY WALLACE D |
| Street | 2474 COUNTY ROAD 94 |
| City | LAFAYETTE |
| State | AL |
| Zip Code | 36862-5308 |
| Region | Southern |
| County | Chambers County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1988-11-03 |
| Certificate Issue Date | 2004-02-04 |
| Last Action Date | 2022-03-28 |
| Expiration Date | 2029-08-31 |
| Status | Valid Registration |
| Mode S Code | 51561047 |
| Mode S Code Hex | A6E227 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N5423M.
| Tail Number / N-Number | N5423M |
| Manufacturer | CESSNA |
| Model | 402B |
| Manufacturer's Serial Number | 402B0023 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 198 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | FLOAIR INC |
| Street | HANGAR 17 MUNICIPAL AIRPORT |
| City | WICHITA |
| State | KS |
| Zip Code | 67209 |
| Region | Central |
| County | Chambers County |
| Certificate Issue Date | 1970-07-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1970-12-29 |
| Exported To | SINGAPORE |