Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N66573.
| Tail Number / N-Number | N66573 |
| Manufacturer | BOEING |
| Model | B-17G |
| Manufacturer's Serial Number | 32226 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 36 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 4 engines |
| Average Cruising Speed | 221 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | BLACK HILLS AVIATION INC |
| Street | BOX 243 |
| City | ALAMOGORDO |
| State | NM |
| Zip Code | 88310 |
| Region | Southwestern |
| Certificate Issue Date | 1974-06-04 |
| Last Status | Valid Registration |
| Cancellation Date | 1980-10-02 |
| Mode S Code | 52145065 |
| Mode S Code Hex | A8CA35 |