| Tail Number / N-Number | N4210Y |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R44 II |
| Year Built | 2008 |
| Manufacturer's Serial Number | 12636 |
| 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-AE1A5 |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 260 hp (194 kW) |
| Type of Registrant | Individual |
| Owner Name | MESSNER DOUGLAS |
| Street | 2433 HIGHWAY 1 |
| City | PEKIN |
| State | ND |
| Zip Code | 58361-9457 |
| Region | Great Lakes |
| County | Nelson County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2008-12-19 |
| Certificate Issue Date | 2019-07-10 |
| Last Action Date | 2022-02-22 |
| Expiration Date | 2029-07-31 |
| Status | Valid Registration |
| Mode S Code | 51200705 |
| Mode S Code Hex | A501C5 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N4210Y.
| Tail Number / N-Number | N4210Y |
| Manufacturer | BELLANCA |
| Model | 7KCAB |
| Year Built | 1977 |
| Manufacturer's Serial Number | 605-77 |
| 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 | AEIO-360 SER |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Average Cruising Speed | 90 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SPORT AVIATION INC |
| Street | 40 BRICK CHURCH RD |
| City | PIPERSVILLE |
| State | PA |
| Zip Code | 18947-9313 |
| County | Nelson County |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1977-02-22 |
| Certificate Issue Date | 2000-10-30 |
| Last Action Date | 2003-11-18 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-02-19 |