| Tail Number / N-Number | N3904B |
| Manufacturer | BROWN RAYMOND |
| Model | AIR COMMAND |
| Year Built | 2009 |
| Manufacturer's Serial Number | 01 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 1 seat |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ROTAX |
| Engine Model | 582SER |
| Engine Type | 2 Cycle |
| Number of Engines | 1 engine |
| Horsepower | 65 hp (48 kW) |
| Type of Registrant | Individual |
| Owner Name | SMITH SCOTT W |
| Street | 11027 CADILLAC AVE |
| City | WARREN |
| State | MI |
| Zip Code | 48089-2449 |
| Region | Great Lakes |
| County | Macomb County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-11-21 |
| Certificate Issue Date | 2014-06-04 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-06-30 |
| Status | Valid Registration |
| Mode S Code | 51102657 |
| Mode S Code Hex | A485AF |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3904B.
| Tail Number / N-Number | N3904B |
| Manufacturer | CONSOLIDATED VULTEE |
| Model | BT-15 |
| Manufacturer's Serial Number | 8496 |
| 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 | 108 miles per hour |
| Type of Registrant | Individual |
| Owner Name | CLAIRDAY WILLARD L |
| Street | ROUTE #3 |
| City | METROPOLIS |
| State | IL |
| Zip Code | 62960 |
| Region | Great Lakes |
| County | Macomb County |
| Certificate Issue Date | 1949-07-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1949-12-20 |