| Tail Number / N-Number | N90999 |
| Manufacturer | AEROSTAR INTERNATIONAL INC |
| Model | S-57S |
| Year Built | 1997 |
| Manufacturer's Serial Number | S57S-3006 |
| 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 |
| Type of Registrant | Individual |
| Owner Name | EWER DAN W |
| Street | 1790 N SHAMBALA LN |
| City | TUCSON |
| State | AZ |
| Zip Code | 85743-8824 |
| Region | Western-Pacific |
| County | Pima County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1997-06-30 |
| Certificate Issue Date | 2005-04-25 |
| Last Action Date | 2022-08-14 |
| Expiration Date | 2030-01-31 |
| Status | Valid Registration |
| Mode S Code | 53112120 |
| Mode S Code Hex | AC9450 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N90999.
| Tail Number / N-Number | N90999 |
| Manufacturer | BELLANCA |
| Model | 7GCBC |
| Manufacturer's Serial Number | 444-73 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | EXECUTIVE AIR TRAVEL INC |
| Street | JOE FOSS FIELD |
| City | SIOUX FALLS |
| State | SD |
| Zip Code | 57104 |
| Region | Great Lakes |
| County | Pima County |
| Last Status | Valid Registration |
| Cancellation Date | 1973-10-12 |
| Exported To | CANADA |