| Tail Number / N-Number | N400CK |
| Manufacturer | BALONY KUBICEK SPOL SRO |
| Model | BB26Z |
| Manufacturer's Serial Number | 1810 |
| Aircraft Type | Balloon |
| 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 | 0 engines |
| Type of Registrant | Government |
| Owner Name | CITY OF RIVERTON |
| Street | 816 N FEDERAL BLVD |
| City | RIVERTON |
| State | WY |
| Zip Code | 82501-2913 |
| Region | Northwest Mountain |
| County | Fremont County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2021-04-07 |
| Last Action Date | 2021-04-07 |
| Expiration Date | 2028-04-30 |
| Status | Valid Registration |
| Mode S Code | 51126335 |
| Mode S Code Hex | A4ACDD |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N400CK.
| Tail Number / N-Number | N400CK |
| Manufacturer | GATES LEARJET CORP. |
| Model | 35A |
| Year Built | 1984 |
| Manufacturer's Serial Number | 540 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 10 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | GARRETT |
| Engine Model | TFE731 SERIES |
| Engine Type | Turbo-fan |
| Number of Engines | 2 engines |
| Thrust per Engine | 3,500 pounds-force (15.6 kN) |
| Total Thrust | 7,000 pounds-force (31.1 kN) |
| Average Cruising Speed | 400 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | NONE |
| City | WRIGHT/PAT AFB |
| State | OH |
| Zip Code | 45433 |
| County | Fremont County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1984-08-07 |
| Last Action Date | 1986-11-20 |
| Last Status | Sale reported |
| Cancellation Date | 2005-07-12 |