| Tail Number / N-Number | N121SR |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Year Built | 1940 |
| Manufacturer's Serial Number | 1084 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R-985 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 450 hp (336 kW) |
| Total Horsepower | 900 hp (671 kW) |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | STICK AND RUDDER AVIATION INC |
| Street | 1232 CHOPTANK RD |
| City | MIDDLETOWN |
| State | DE |
| Zip Code | 19709-9038 |
| Region | Eastern |
| County | New Castle County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2009-06-01 |
| Certificate Issue Date | 2012-04-14 |
| Last Action Date | 2020-12-21 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 50054411 |
| Mode S Code Hex | A05909 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N121SR.
| Tail Number / N-Number | N121SR |
| Manufacturer | CIRRUS DESIGN CORP |
| Model | SR22 |
| Year Built | 2006 |
| Manufacturer's Serial Number | 1885 |
| 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 | IO-550-N |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 310 hp (231 kW) |
| Type of Registrant | Corporation |
| Owner Name | CIRRUS DESIGN CORP |
| Street | 4514 TAYLOR CIR |
| City | DULUTH |
| State | MN |
| Zip Code | 55811 |
| County | New Castle County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2006-04-03 |
| Certificate Issue Date | 2009-08-24 |
| Last Action Date | 2009-08-24 |
| Last Status | Valid Registration |
| Cancellation Date | 2010-03-03 |
| Exported To | BRAZIL |