| Tail Number / N-Number | N81DG |
| Manufacturer | PIPER |
| Model | PA-28-180 |
| Year Built | 1967 |
| Manufacturer's Serial Number | 28-4579 |
| 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) |
| Engine Manufacturer | LYCOMING |
| Engine Model | O&VO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 107 miles per hour |
| Type of Registrant | Individual |
| Owner Name | RAE SETH R |
| Street | 4160 WOODFORD DR |
| City | SAN JOSE |
| State | CA |
| Zip Code | 95124-3741 |
| Region | Western-Pacific |
| County | Santa Clara County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1967-12-26 |
| Certificate Issue Date | 2016-03-19 |
| Last Action Date | 2021-10-18 |
| Expiration Date | 2029-03-31 |
| Status | Valid Registration |
| Mode S Code | 52603525 |
| Mode S Code Hex | AB0755 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N81DG.
| Tail Number / N-Number | N81DG |
| Manufacturer | GRUNDFEST DAVE JR |
| Model | CHRISTEN EAGLE II |
| Manufacturer's Serial Number | GRUNDFEST0001 |
| 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 | Individual |
| Owner Name | GRUNDFEST DAVE JR |
| Street | 8 RIVER OAKS CIRCLE |
| City | LITTLE ROCK |
| State | AR |
| Zip Code | 72207 |
| County | Santa Clara County |
| Country | US |
| Certificate Issue Date | 1980-06-18 |
| Last Action Date | 1991-01-31 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1991-04-18 |