| Tail Number / N-Number | N3991M |
| Manufacturer | PIPER |
| Model | PA-28R-201T |
| Year Built | 1978 |
| Manufacturer's Serial Number | 28R-7803211 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | TSIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 225 hp (168 kW) |
| Average Cruising Speed | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STARUH DONALD E |
| Street | 309 SKYWAY ST |
| City | PUEBLO |
| State | CO |
| Zip Code | 81001-4804 |
| Region | Northwest Mountain |
| County | Pueblo County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1978-02-06 |
| Certificate Issue Date | 2017-09-20 |
| Last Action Date | 2022-01-12 |
| Expiration Date | 2027-09-30 |
| Status | Valid Registration |
| Mode S Code | 51123277 |
| Mode S Code Hex | A4A6BF |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3991M.
| Tail Number / N-Number | N3991M |
| Manufacturer | PIPER |
| Model | PA-12 |
| Manufacturer's Serial Number | 12-2871 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Individual |
| Owner Name | GRABEIN MAX H |
| Street | 400 - 12TH STREET BOX 192 |
| City | WELLINGTON |
| State | TX |
| Zip Code | 75001 |
| Region | Southwestern |
| County | Pueblo County |
| Certificate Issue Date | 1950-02-09 |
| Last Status | Valid Registration |
| Cancellation Date | 1950-06-08 |