| Tail Number / N-Number | N440 |
| Manufacturer | SIKORSKY |
| Model | S-43H |
| Year Built | 1937 |
| Manufacturer's Serial Number | 4327 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 3 (20,000+ pounds gross take off weight) |
| Engine Manufacturer | WRIGHT |
| Engine Model | R-1820 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 1,475 hp (1,100 kW) |
| Total Horsepower | 2,950 hp (2,201 kW) |
| Average Cruising Speed | 146 miles per hour |
| Type of Registrant | Individual |
| Owner Name | WEEKS KERMIT A |
| Street | 1400 BROADWAY BLVD SE |
| City | POLK CITY |
| State | FL |
| Zip Code | 33868-9109 |
| Region | Southern |
| County | Polk County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-04-12 |
| Certificate Issue Date | 2012-12-28 |
| Last Action Date | 2021-10-07 |
| Expiration Date | 2028-12-31 |
| Status | Valid Registration |
| Mode S Code | 51245234 |
| Mode S Code Hex | A54A9C |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N440.
| Tail Number / N-Number | N440 |
| Manufacturer | MILL BASIN AIRCRAFT INC |
| Model | 1W |
| Manufacturer's Serial Number | 5 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Not Type Certificated |
| Number of Seats | 4 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 | MILL BASIN AIRCRAFT INC |
| Street | MILL BASIN |
| City | BROOKLYN |
| State | NY |
| Zip Code | 10001 |
| Region | Eastern |
| County | Polk County |
| Last Status | Valid Registration |
| Cancellation Date | 1929-03-08 |