| Tail Number / N-Number | N305Y |
| Manufacturer | STUMP GREAT LAKES |
| Model | 2T-1A-E |
| Year Built | 1973 |
| Manufacturer's Serial Number | 6825A-358 |
| 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 | FRANKLIN |
| Engine Model | 6V 350 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 235 hp (175 kW) |
| Average Cruising Speed | 112 miles per hour |
| Type of Registrant | Individual |
| Owner Name | MASTERS JOHN F |
| Street | 961 MASTERS LANE |
| City | NORTH HUNTINGDON |
| State | PA |
| Zip Code | 15642 |
| Region | Eastern |
| County | Westmoreland County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Experimental |
| Airworthiness Date | 1978-08-09 |
| Certificate Issue Date | 1976-04-05 |
| Last Action Date | 2023-01-22 |
| Expiration Date | 2027-03-31 |
| Status | Valid Registration |
| Mode S Code | 50632013 |
| Mode S Code Hex | A3340B |
Deregistered Aircraft 1 of 3. This aircraft was previously assigned the N-number N305Y.
| Tail Number / N-Number | N305Y |
| Manufacturer | SIKORSKY |
| Model | S64A |
| Manufacturer's Serial Number | 64002 |
| 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 | UNITED AIRCRAFT CORP/ SIKORSKY AIRCRAFT DIV |
| Street | MAIN STREET |
| City | STRATFORD |
| State | CT |
| Zip Code | 06108 |
| Region | New England |
| County | Westmoreland County |
| Certificate Issue Date | 1962-06-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1963-01-10 |
| Exported To | GERMANY |
Deregistered Aircraft 2 of 3. This aircraft was previously assigned the N-number N305Y.
| Tail Number / N-Number | N305Y |
| Manufacturer | CESSNA/ALLARDICE |
| Model | 305A |
| Manufacturer's Serial Number | TBA-1 |
| 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 |
| Type of Registrant | Corporation |
| Owner Name | WEST AIR INC |
| Street | PO BOX 188 |
| City | PACOIMA |
| State | CA |
| Zip Code | 91331 |
| Region | Western-Pacific |
| County | Westmoreland County |
| Last Status | Valid Registration |
| Cancellation Date | 1969-05-19 |
| Exported To | ITALY |
Deregistered Aircraft 3 of 3. This aircraft was previously assigned the N-number N305Y.
| Tail Number / N-Number | N305Y |
| Manufacturer | GREAT LAKES |
| Model | 2T-1A |
| Manufacturer's Serial Number | 192 |
| 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 | SIMMONS FRED ET AL |
| Street | 300 MEETING ST |
| City | CHALESTON |
| State | SC |
| Zip Code | 29412 |
| Region | Southern |
| County | Westmoreland County |
| Last Status | Valid Registration |
| Cancellation Date | 1945-06-04 |