| Tail Number / N-Number | N1991A |
| Manufacturer | PIPER |
| Model | PA-18-135 |
| Year Built | 1952 |
| Manufacturer's Serial Number | 18-1815 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | 0-290 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 140 hp (104 kW) |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HOLMAN DAILY A |
| Street | 9400 S GRIBBLE RD |
| City | CANBY |
| State | OR |
| Zip Code | 97013-9312 |
| Region | Northwest Mountain |
| County | Clackamas County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1956-07-01 |
| Certificate Issue Date | 2020-06-19 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50306026 |
| Mode S Code Hex | A18C16 |