| Tail Number / N-Number | N37BK |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2004 |
| Manufacturer's Serial Number | 10542 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | IO-540 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 300 hp (224 kW) |
| Type of Registrant | LLC |
| Owner Name | CHANGING HORIZONS LLC |
| Street | 5480 PEAKS VIEW DR |
| City | HELENA |
| State | MT |
| Zip Code | 59602-8864 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2004-11-09 |
| Certificate Issue Date | 2021-05-08 |
| Last Action Date | 2021-05-08 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51030625 |
| Mode S Code Hex | A43195 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N37BK.
| Tail Number / N-Number | N37BK |
| Manufacturer | KNOWLES WILLIAM J |
| Model | KNOWLES-THORP KT-18 |
| Manufacturer's Serial Number | 807 |
| 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) |
| Number of Engines | 1 engine |
| Type of Registrant | Partnership |
| Owner Name | TUCKER JOHN C JR |
| Other Names |
|
| Street | 13061 NW 43RD AVE |
| City | OPA LOCKA |
| State | FL |
| Zip Code | 33054-4425 |
| County | Lewis and Clark County |
| Country | US |
| Certificate Issue Date | 2000-06-06 |
| Last Action Date | 2000-06-06 |
| Last Status | Valid Registration |
| Cancellation Date | 2001-03-30 |