| Tail Number / N-Number | N637HA |
| Manufacturer | GARLICK HELICOPTERS INC |
| Model | OH-58C |
| Year Built | 1970 |
| Manufacturer's Serial Number | 70-15137 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | T63 SERIES |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 250 hp (187 kW) |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTER APPLICATORS INC |
| Street | 1670 YORK RD |
| City | GETTYSBURG |
| State | PA |
| Zip Code | 17325-8201 |
| Region | Eastern |
| County | Adams County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2016-05-27 |
| Certificate Issue Date | 2014-02-19 |
| Last Action Date | 2022-09-21 |
| Expiration Date | 2030-02-28 |
| Status | Valid Registration |
| Mode S Code | 52054155 |
| Mode S Code Hex | A8586D |