| Tail Number / N-Number | N991H |
| Manufacturer | WACO |
| Model | JYM |
| Year Built | 1929 |
| Manufacturer's Serial Number | D-3 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | 975E&F-2&3 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 475 hp (354 kW) |
| Average Cruising Speed | 79 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | GREATEST GENERATION NAVAL MUSEUM |
| Street | 755 AVIATION WAY |
| City | COLORADO SPRINGS |
| State | CO |
| Zip Code | 80916-2740 |
| Region | Northwest Mountain |
| County | El Paso County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2003-10-06 |
| Certificate Issue Date | 2013-01-11 |
| Last Action Date | 2021-08-17 |
| Expiration Date | 2029-01-31 |
| Status | Valid Registration |
| Mode S Code | 53353411 |
| Mode S Code Hex | ADD709 |