| Tail Number / N-Number | N51DG |
| Manufacturer | CHRISTEN INDUSTRIES INC |
| Model | A-1 |
| Year Built | 1989 |
| Manufacturer's Serial Number | 1070 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | LLC |
| Owner Name | ORCAS AIRCRAFT LLC |
| Street | PO BOX 216 |
| City | ORCAS |
| State | WA |
| Zip Code | 98280-0216 |
| Region | Northwest Mountain |
| County | San Juan County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1989-01-09 |
| Certificate Issue Date | 2016-05-24 |
| Last Action Date | 2022-06-29 |
| Expiration Date | 2029-05-31 |
| Status | Valid Registration |
| Mode S Code | 51457550 |
| Mode S Code Hex | A65F68 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N51DG.
| Tail Number / N-Number | N51DG |
| Manufacturer | CONSOLIDATED AERONAUTICS INC. |
| Model | LAKE LA-4-200 |
| Manufacturer's Serial Number | 1031 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 4 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | PENNEY DAVID L |
| Street | RTE 102 |
| City | LONDONDERRY |
| State | NH |
| Zip Code | 03053 |
| County | San Juan County |
| Country | US |
| Certificate Issue Date | 1994-08-15 |
| Last Action Date | 1997-08-20 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1997-11-06 |