Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N637NA.
| Tail Number / N-Number | N637NA |
| Manufacturer | GRUMMAN |
| Model | OV-1B |
| Manufacturer's Serial Number | 64-14244 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 206 miles per hour |
| Type of Registrant | Government |
| Owner Name | NATIONAL AERONAUTICS & SPACE ADMIN MAIL STOP 4-8 |
| Street | 21000 BROOKPARK RD |
| City | CLEVELAND |
| State | OH |
| Zip Code | 44135 |
| Region | Great Lakes |
| Certificate Issue Date | 1973-01-12 |
| Last Status | Valid Registration |
| Cancellation Date | 1979-02-27 |
| Mode S Code | 52054352 |
| Mode S Code Hex | A858EA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N637NA.
| Tail Number / N-Number | N637NA |
| Manufacturer | NORTH AMERICAN |
| Model | OV-10A |
| Manufacturer's Serial Number | 155396 |
| Aircraft Type | Fixed wing multi 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 | 2 engines |
| Average Cruising Speed | 210 miles per hour |
| Last Action Date | 1983-12-24 |
| Last Status | N-Number assigned, has not been registered and is pending cancellation |
| Cancellation Date | 2011-02-08 |
| Mode S Code | 52054352 |
| Mode S Code Hex | A858EA |