| Tail Number / N-Number | N991TC |
| Manufacturer | AUTOGYRO USA INC |
| Model | CALIDUS |
| Year Built | 2017 |
| Manufacturer's Serial Number | C00335 |
| Aircraft Type | Gyroplane |
| 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 | ROTAX |
| Engine Model | 914UL |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Kit Manufacturer | AUTOGYRO GMBH |
| Kit Model | CALIDUS |
| Type of Registrant | LLC |
| Owner Name | 991TC LLC |
| Street | 3521 CHURCHILL WAY |
| City | MANHATTAN |
| State | KS |
| Zip Code | 66503-0600 |
| Region | Central |
| County | Riley County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2018-02-02 |
| Certificate Issue Date | 2018-07-05 |
| Last Action Date | 2021-02-13 |
| Expiration Date | 2028-07-31 |
| Status | Valid Registration |
| Mode S Code | 53354006 |
| Mode S Code Hex | ADD806 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N991TC.
| Tail Number / N-Number | N991TC |
| Manufacturer | AUTOGYRO USA LLC |
| Model | CALIDUS |
| Year Built | 2017 |
| Manufacturer's Serial Number | US-C00483 |
| Aircraft Type | Rotorcraft |
| 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 | ROTAX |
| Engine Model | 914UL |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 115 hp (86 kW) |
| Type of Registrant | Corporation |
| Owner Name | AUTOGYRO USA INC |
| Street | 2711 CENTERVILLE RD STE 400 |
| City | WILMINGTON |
| State | DE |
| Zip Code | 19808-1645 |
| County | Riley County |
| Country | US |
| Airworthiness Classification | Primary |
| Airworthiness Date | 2017-03-30 |
| Certificate Issue Date | 2017-03-07 |
| Last Action Date | 2017-03-07 |
| Last Status | Valid Registration |
| Cancellation Date | 2017-08-17 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N991TC.
| Tail Number / N-Number | N991TC |
| Manufacturer | THUNDER BALLOONS LIMITED |
| Model | AX7-77 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 1464US |
| Aircraft Type | Balloon |
| 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 | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 22 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | PARA BALLOON ASSOC INC |
| Street | 8920 MANCHESTER RD |
| City | ST LOUIS |
| State | MO |
| Zip Code | 63144 |
| County | Riley County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-11-16 |
| Last Action Date | 1994-05-04 |
| Last Status | Expired Dealer |
| Cancellation Date | 2011-08-01 |