| Tail Number / N-Number | N3HU |
| Manufacturer | GRUMMAN |
| Model | HU 16A |
| Year Built | 1953 |
| Manufacturer's Serial Number | 131906 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 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 | 187 miles per hour |
| Type of Registrant | Individual |
| Owner Name | TUTHILL JAMES G |
| Street | 8500 S MADISON ST |
| City | BURR RIDGE |
| State | IL |
| Zip Code | 60527-6284 |
| Region | Great Lakes |
| County | Cook County |
| Country | US |
| Fractional Ownership | No |
| Airworthiness Classification | Restricted |
| Airworthiness Date | 2018-08-28 |
| Certificate Issue Date | 2017-07-26 |
| Last Action Date | 2020-02-22 |
| Expiration Date | 2027-07-31 |
| Status | Valid Registration |
| Mode S Code | 50615542 |
| Mode S Code Hex | A31B62 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N3HU.
| Tail Number / N-Number | N3HU |
| Manufacturer | DEHAVILLAND |
| Model | DHC-6 TWIN OTTER |
| Manufacturer's Serial Number | 722 |
| Aircraft Type | Fixed wing multi engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 16 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 123 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | OTTER CORPORATION |
| Street | PO BOX 2908 |
| City | KIRKLAND |
| State | WA |
| Zip Code | 98083 |
| County | Cook County |
| Country | US |
| Certificate Issue Date | 1990-05-04 |
| Last Action Date | 1991-10-23 |
| Last Status | Valid Registration |
| Cancellation Date | 1991-10-30 |
| Exported To | GUATEMALA |