| Tail Number / N-Number | N91CD |
| Manufacturer | DUNCAN CARY |
| Model | WILLOW CREEK CUB |
| Year Built | 2009 |
| Manufacturer's Serial Number | 1 |
| 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 | AMA/EXPR |
| Engine Model | UNKNOWN ENG |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | DUNCAN CARY J |
| Street | 6062 WILLOW DR RD |
| City | HELENA |
| State | MT |
| Zip Code | 59601 |
| Region | Northwest Mountain |
| County | Lewis and Clark County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2009-03-11 |
| Certificate Issue Date | 2009-01-14 |
| Last Action Date | 2022-02-24 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 53112210 |
| Mode S Code Hex | AC9488 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N91CD.
| Tail Number / N-Number | N91CD |
| Manufacturer | BOEING |
| Model | 737-86Q |
| Manufacturer's Serial Number | 30274 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 149 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Type of Registrant | Corporation |
| Owner Name | BOULLIOUN AIRCRAFT HOLDING CO INC |
| Street | 500 108TH AVE NE FL 25 |
| City | BELLEVUE |
| State | WA |
| Zip Code | 98004-5580 |
| County | Lewis and Clark County |
| Country | US |
| Certificate Issue Date | 2001-10-10 |
| Last Action Date | 2001-10-10 |
| Last Status | Valid Registration |
| Cancellation Date | 2001-12-04 |
| Exported To | AUSTRALIA |