| Tail Number / N-Number | N1663S |
| Manufacturer | AYRES CORPORATION |
| Model | S2R-R1820 |
| Year Built | 1981 |
| Manufacturer's Serial Number | R1820-013DC |
| 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) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 1,475 hp (1,100 kW) |
| Type of Registrant | Individual |
| Owner Name | SLATER RICHARD J |
| Street | PO BOX 64 |
| City | MADDOCK |
| State | ND |
| Zip Code | 58348-0064 |
| Region | Great Lakes |
| County | Benson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 1981-06-06 |
| Certificate Issue Date | 2012-03-16 |
| Last Action Date | 2020-11-23 |
| Expiration Date | 2028-03-31 |
| Status | Valid Registration |
| Mode S Code | 50205312 |
| Mode S Code Hex | A10ACA |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N1663S.
| Tail Number / N-Number | N1663S |
| Manufacturer | SNOW |
| Model | 600-S2C |
| Manufacturer's Serial Number | 1236C |
| 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 | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MARRS JOE G |
| Street | RT 2 BOX 340 |
| City | LAKE PLACID |
| State | FL |
| Zip Code | 33852 |
| County | Benson County |
| Country | US |
| Last Action Date | 1977-01-14 |
| Last Status | Certificate of Registration has been revoked |
| Cancellation Date | 2009-06-30 |