| Tail Number / N-Number | N52BT |
| Manufacturer | TRUBEE BRIAN |
| Model | RV-4 |
| Year Built | 2010 |
| Manufacturer's Serial Number | 2366 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | MAZDA |
| Engine Model | 13B |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 146 hp (109 kW) |
| Kit Manufacturer | VANS AIRCRAFT INC |
| Kit Model | RV-4 |
| Type of Registrant | Individual |
| Owner Name | TRUBEE BRIAN K |
| Street | 16315 NE 46TH ST |
| City | REDMOND |
| State | WA |
| Zip Code | 98052-5436 |
| Region | Northwest Mountain |
| County | King County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-06-01 |
| Certificate Issue Date | 2010-03-16 |
| Last Action Date | 2022-05-19 |
| Expiration Date | 2029-10-31 |
| Status | Valid Registration |
| Mode S Code | 51503300 |
| Mode S Code Hex | A686C0 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N52BT.
| Tail Number / N-Number | N52BT |
| Manufacturer | HECKEL ROBERT P |
| Model | AIR WAGON |
| Year Built | 1999 |
| Manufacturer's Serial Number | 101 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | CONT MOTOR |
| Engine Model | IO 520 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 285 hp (213 kW) |
| Type of Registrant | Individual |
| Owner Name | HECKEL ROBERT P |
| Street | 2075 AIRPORT RD |
| City | KALISPELL |
| State | MT |
| Zip Code | 59901-7503 |
| County | King County |
| Country | US |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1999-03-18 |
| Certificate Issue Date | 1999-02-26 |
| Last Action Date | 2005-02-15 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2007-09-24 |
| Exported To | CANADA |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N52BT.
| Tail Number / N-Number | N52BT |
| Manufacturer | AEROSPATIALE |
| Model | SA341G GAZELLE |
| Manufacturer's Serial Number | 1075 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 110 miles per hour |
| County | King County |
| Last Status | N-Number Assigned – but has not yet been registered |
| Cancellation Date | 1988-08-16 |