| Tail Number / N-Number | N306Y |
| Manufacturer | HAMMERLE EDWARD A |
| Model | GREAT LAKES 2T-1R |
| Manufacturer's Serial Number | H003 |
| 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) |
| Engine Manufacturer | FAIRCHILD |
| Engine Model | 6-440 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 200 hp (149 kW) |
| Type of Registrant | Corporation |
| Owner Name | HEMPSTEAD PLAINS AVIATION |
| Street | PO BOX 7224 |
| City | GARDEN CITY |
| State | NY |
| Zip Code | 11530-7224 |
| Region | Eastern |
| County | Nassau County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1992-10-08 |
| Certificate Issue Date | 2002-07-17 |
| Last Action Date | 2021-01-20 |
| Expiration Date | 2028-02-29 |
| Status | Valid Registration |
| Mode S Code | 50633702 |
| Mode S Code Hex | A337C2 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N306Y.
| Tail Number / N-Number | N306Y |
| Manufacturer | SIKORSKY |
| Model | S64A |
| Manufacturer's Serial Number | 64003 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 68 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 143 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | SIKORSKY AIRCRAFT DIV/ UNITED AIRCRAFT CORP |
| Street | MAIN STREET |
| City | STRATFORD |
| State | CT |
| Zip Code | 06108 |
| Region | New England |
| County | Nassau County |
| Certificate Issue Date | 1962-12-14 |
| Last Status | Valid Registration |
| Cancellation Date | 1963-11-18 |
| Exported To | GERMANY |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N306Y.
| Tail Number / N-Number | N306Y |
| Manufacturer | GREAT LAKES |
| Model | 2T-1E |
| Manufacturer's Serial Number | 193 |
| 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 | 78 miles per hour |
| Type of Registrant | Individual |
| Owner Name | SAGUE SAMUEL R |
| Street | 2160 PAYNE AVE |
| City | CLEVELAND |
| State | OH |
| Zip Code | 43036 |
| Region | Great Lakes |
| County | Nassau County |
| Last Status | Valid Registration |
| Cancellation Date | 1933-09-12 |