| Tail Number / N-Number | N1771S |
| Manufacturer | LANGE WILLIAM H |
| Model | GLASAIR II-S RG |
| Year Built | 1999 |
| Manufacturer's Serial Number | 2060 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not 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 | I0360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | LANGE WILLIAM H |
| Street | 10907 CROSS ROAD TRL |
| City | BRANDYWINE |
| State | MD |
| Zip Code | 20613-8835 |
| Region | Eastern |
| County | Prince George's County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-08-13 |
| Certificate Issue Date | 1997-01-16 |
| Last Action Date | 2022-02-04 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 50232672 |
| Mode S Code Hex | A135BA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1771S.
| Tail Number / N-Number | N1771S |
| Manufacturer | AERO COMMANDER |
| Model | 600 S-2D |
| Manufacturer's Serial Number | 600-1371D |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HARRISON FLYING SERVICE INC |
| Street | PO BOX 26 |
| City | PEARSALL |
| State | TX |
| Zip Code | 78061 |
| Region | Southwestern |
| County | Prince George's County |
| Certificate Issue Date | 1969-02-17 |
| Last Status | Valid Registration |
| Cancellation Date | 1974-02-07 |