| Tail Number / N-Number | N618D |
| Manufacturer | HENDERSON GLENDON |
| Model | BEAR CUB EX |
| Year Built | 2003 |
| Manufacturer's Serial Number | 001 |
| Aircraft Type | Fixed wing single engine |
| Category | Amphibian |
| Builder Certification | Not 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 | O-360 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 180 hp (134 kW) |
| Type of Registrant | Individual |
| Owner Name | MARSTON BRADLEY L |
| Street | 40 WEBB RD |
| City | WINDHAM |
| State | ME |
| Zip Code | 04062-4271 |
| Region | New England |
| County | Cumberland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 2010-12-30 |
| Certificate Issue Date | 2011-05-02 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-05-31 |
| Status | Valid Registration |
| Mode S Code | 52006301 |
| Mode S Code Hex | A80CC1 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N618D.
| Tail Number / N-Number | N618D |
| Manufacturer | AERO COMMANDER |
| Model | 680FL |
| Manufacturer's Serial Number | 145482 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 11 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 188 miles per hour |
| County | Cumberland County |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1989-03-03 |