| Tail Number / N-Number | N6637N |
| Manufacturer | HUGHES |
| Model | OH-6A |
| Manufacturer's Serial Number | 6716590 |
| Aircraft Type | Rotorcraft |
| 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 |
| Type of Registrant | Government |
| Owner Name | USDA APHIS WS ATOC |
| Street | 1223 N AIRPORT ROAD |
| City | CEDAR CITY |
| State | UT |
| Zip Code | 84721 |
| Region | Northwest Mountain |
| County | Iron County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2011-08-03 |
| Last Action Date | 2020-03-16 |
| Expiration Date | 2027-08-31 |
| Status | Valid Registration |
| Mode S Code | 52141270 |
| Mode S Code Hex | A8C2B8 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N6637N.
| Tail Number / N-Number | N6637N |
| Manufacturer | TAYLORCRAFT AVIATION CORP |
| Model | 19 |
| Year Built | 1952 |
| Manufacturer's Serial Number | 4-13037 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | 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 |
| Type of Registrant | Corporation |
| Owner Name | TAYLORCRAFT INC |
| Street | CONWAY PITTSBURGH AIRPORT |
| City | CONWAY |
| State | PA |
| Zip Code | 15027 |
| Region | Eastern |
| County | Iron County |
| Last Status | Valid Registration |
| Cancellation Date | 1952-07-15 |
| Exported To | COLOMBIA |