| Tail Number / N-Number | N4042D |
| Manufacturer | BALLOON WORKS |
| Model | FIREFLY 7 |
| Year Built | 1978 |
| Manufacturer's Serial Number | 7855 |
| 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) |
| Engine Manufacturer | NONE |
| Engine Model | NONE |
| Number of Engines | 0 engines |
| Average Cruising Speed | 63 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MILE HIGH AERONAUTS INC |
| Street | PO BOX 3388 |
| City | LITTLETON |
| State | CO |
| Zip Code | 80161 |
| Region | Northwest Mountain |
| County | Arapahoe County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1979-02-12 |
| Last Action Date | 2022-05-26 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51137037 |
| Mode S Code Hex | A4BE1F |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4042D.
| Tail Number / N-Number | N4042D |
| Manufacturer | CESSNA |
| Model | 182A |
| Manufacturer's Serial Number | 34742 |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 119 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | CESSNA AIRCRAFT CO |
| Street | 5800 PAWNEE RD |
| City | WICHITA |
| State | KS |
| Zip Code | 67207 |
| Region | Central |
| County | Arapahoe County |
| Last Status | Valid Registration |
| Cancellation Date | 1957-11-18 |