| Tail Number / N-Number | N4BT |
| Type of Reservation | Fee paid |
| Reserving Party Name | MOUNTAIN SKYWAYS INC |
| Street | 90 W MADISON STE E 238 |
| City | BOZEMAN |
| State | MT |
| Zip Code | 59714 |
| Date Reserved | 2022-11-28 |
| Expiration Date | 2023-09-28 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4BT.
| Tail Number / N-Number | N4BT |
| Manufacturer | THOMAS |
| Model | B-8M GYROCOPTER |
| Year Built | 1972 |
| Manufacturer's Serial Number | 1 |
| 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 | MCCULLOCH |
| Engine Model | 4318A&E/0-100 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 72 hp (54 kW) |
| Average Cruising Speed | 45 miles per hour |
| Type of Registrant | Individual |
| Owner Name | THOMAS WALTER B JR |
| Street | 301 DODSON MILL ROAD PO BOX 608 |
| City | PILOT MOUNTAIN |
| State | NC |
| Zip Code | 27041 |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1978-04-06 |
| Last Action Date | 2001-10-16 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2001-12-20 |