| Tail Number / N-Number | N51699 |
| Manufacturer | ENSTROM |
| Model | F-28C |
| Year Built | 1977 |
| Manufacturer's Serial Number | 416 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | LYCOMING |
| Engine Model | HIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 205 hp (153 kW) |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Individual |
| Owner Name | STYER DAVID B |
| Street | 4906 NW A AVE |
| City | PENDLETON |
| State | OR |
| Zip Code | 97801-4632 |
| Region | Northwest Mountain |
| County | Umatilla County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-12-23 |
| Certificate Issue Date | 2015-05-05 |
| Last Action Date | 2021-08-28 |
| Expiration Date | 2028-05-31 |
| Status | Valid Registration |
| Mode S Code | 51475556 |
| Mode S Code Hex | A67B6E |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51699.
| Tail Number / N-Number | N51699 |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Manufacturer's Serial Number | 38-564A |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Individual |
| Owner Name | BOGART JOHN B |
| County | Umatilla County |
| Certificate Issue Date | 1950-08-31 |
| Last Status | Valid Registration |
| Cancellation Date | 1953-08-04 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51699.
| Tail Number / N-Number | N51699 |
| Manufacturer | FAIRCHILD |
| Model | M-62A |
| Year Built | 1943 |
| Manufacturer's Serial Number | 6433AE |
| 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) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 97 miles per hour |
| Type of Registrant | Individual |
| Owner Name | HUNTER EDWARD JAMES |
| County | Umatilla County |
| Certificate Issue Date | 1945-09-26 |
| Last Status | Valid Registration |
| Cancellation Date | 1947-10-06 |