Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N9639B.
| Tail Number / N-Number | N9639B |
| Manufacturer | CESSNA |
| Model | 172RG |
| Year Built | 1981 |
| Manufacturer's Serial Number | 172RG0937 |
| 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 | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Corporation |
| Owner Name | CHRISTIANSEN AVIATION INC |
| Street | MAIL BOXES ETC #1710 2207 CONCORD PIKE |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19803 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1981-08-17 |
| Certificate Issue Date | 1993-03-17 |
| Last Action Date | 2013-08-28 |
| Last Status | Valid Registration |
| Cancellation Date | 2014-10-06 |
| Mode S Code | 53265340 |
| Mode S Code Hex | AD6AE0 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N9639B.
| Tail Number / N-Number | N9639B |
| Manufacturer | CESSNA |
| Model | 180A |
| Manufacturer's Serial Number | 32936 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 121 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | 5800 PAWNEE RD |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| Region | Central |
| Last Status | Valid Registration |
| Cancellation Date | 1957-06-13 |
| Mode S Code | 53265340 |
| Mode S Code Hex | AD6AE0 |