Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N4375.
| Tail Number / N-Number | N4375 |
| Manufacturer | CESSNA |
| Model | 172L |
| Year Built | 1971 |
| Manufacturer's Serial Number | 17260275 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-320 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 105 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AIRMAN FLIGHT SCHOOL INC |
| Street | 1948 GODDARD |
| City | NORMAN |
| State | OK |
| Zip Code | 73069 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1971-11-30 |
| Certificate Issue Date | 1989-04-05 |
| Last Action Date | 2004-03-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-05-04 |
| Mode S Code | 51240046 |
| Mode S Code Hex | A54026 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N4375.
| Tail Number / N-Number | N4375 |
| Manufacturer | SIKORSKY |
| Model | UH-19D |
| Manufacturer's Serial Number | 56-1531 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 71 miles per hour |
| Type of Registrant | Government |
| Owner Name | STATE OF OKLAHOMA |
| Street | 1515 W 6TH ST |
| City | STILLWATER |
| State | OK |
| Zip Code | 74074 |
| Region | Southwestern |
| Certificate Issue Date | 1971-05-20 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-01-30 |
| Mode S Code | 51240046 |
| Mode S Code Hex | A54026 |