| Tail Number / N-Number | N121AA |
| Manufacturer | AIR TRACTOR INC |
| Model | AT-602 |
| Year Built | 2020 |
| Manufacturer's Serial Number | 602-1310 |
| 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 | P&W CANADA |
| Engine Model | PT6A-65AG |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 1,300 hp (970 kW) |
| Type of Registrant | Corporation |
| Owner Name | AG AIR INC |
| Street | 101 COUNTY HIGHWAY 606 |
| City | MATTHEWS |
| State | MO |
| Zip Code | 63867-9102 |
| Region | Central |
| County | New Madrid County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2020-04-01 |
| Certificate Issue Date | 2020-06-02 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 50053552 |
| Mode S Code Hex | A0576A |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N121AA.
| Tail Number / N-Number | N121AA |
| Manufacturer | BELL HELICOPTER TEXTRON CANADA |
| Model | 407 |
| Year Built | 2008 |
| Manufacturer's Serial Number | 53899 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROLLS-ROYC |
| Engine Model | 250-C47B |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 650 hp (485 kW) |
| Type of Registrant | Corporation |
| Owner Name | WILMINGTON TRUST CO TRUSTEE |
| Street | 1100 N MARKET ST |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19801-1243 |
| County | New Madrid County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-12-10 |
| Certificate Issue Date | 2009-12-02 |
| Last Action Date | 2010-11-19 |
| Last Status | Valid Registration |
| Cancellation Date | 2010-12-17 |
| Exported To | AUSTRALIA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N121AA.
| Tail Number / N-Number | N121AA |
| Manufacturer | TAGUE LARRY |
| Model | PIONEER 300S |
| Year Built | 2001 |
| Manufacturer's Serial Number | 36 |
| 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 | BOMBARDIER |
| Engine Model | ROTAX (ALL) |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Type of Registrant | Corporation |
| Owner Name | ORLANDO SANFORD AIRCRAFT INC |
| Street | 1920 E AIRPORT BLVD |
| City | SANFORD |
| State | FL |
| Zip Code | 32773-6842 |
| County | New Madrid County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2001-03-31 |
| Certificate Issue Date | 2001-04-04 |
| Last Action Date | 2001-04-04 |
| Last Status | Valid Registration |
| Cancellation Date | 2004-01-23 |
| Exported To | NEW ZEALAND |