Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N3178Q.
| Tail Number / N-Number | N3178Q |
| Manufacturer | DOUGLAS |
| Model | DC3C-S1C3G |
| Year Built | 1944 |
| Manufacturer's Serial Number | 44-76811 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 32 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ATC INC |
| Street | PO BOX 460 |
| City | MALTA |
| State | MT |
| Zip Code | 59538 |
| Region | Northwest Mountain |
| Certificate Issue Date | 1970-05-21 |
| Last Status | Valid Registration |
| Cancellation Date | 1983-07-01 |
| Mode S Code | 50662121 |
| Mode S Code Hex | A36451 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N3178Q.
| Tail Number / N-Number | N3178Q |
| Manufacturer | MATTHEWS JOHN H |
| Model | X-AIR H |
| Year Built | 2007 |
| Manufacturer's Serial Number | 1140 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Light Sport |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | JABIRU |
| Engine Model | 2200 |
| Engine Type | 4 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 85 hp (63 kW) |
| Type of Registrant | Individual |
| Owner Name | SALE REPORTED |
| Street | 3708 N ALBURNETT RD |
| City | ALBURNETT |
| State | IA |
| Zip Code | 52202-9708 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2007-09-10 |
| Last Action Date | 2009-09-25 |
| Last Status | Sale Reported – Canceled |
| Cancellation Date | 2013-08-27 |
| Mode S Code | 50662121 |
| Mode S Code Hex | A36451 |