| Tail Number / N-Number | N9074U |
| Manufacturer | GRUMMAN |
| Model | G-21A |
| Manufacturer's Serial Number | 1129 |
| Aircraft Type | Fixed wing multi engine |
| Category | Amphibian |
| Builder Certification | Type Certificated |
| Number of Seats | 8 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 2 engines |
| Average Cruising Speed | 150 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | AMPHIB INC |
| Street | 9952 52ND ST |
| City | KENOSHA |
| State | WI |
| Zip Code | 53144-7430 |
| Region | Great Lakes |
| County | Kenosha County |
| Country | US |
| Fractional Ownership | No |
| Certificate Issue Date | 2019-02-11 |
| Last Action Date | 2022-04-21 |
| Expiration Date | 2029-02-28 |
| Status | Valid Registration |
| Mode S Code | 53106044 |
| Mode S Code Hex | AC8C24 |
Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N9074U.
| Tail Number / N-Number | N9074U |
| Manufacturer | ROBINSON HELICOPTER COMPANY |
| Model | R22 |
| Manufacturer's Serial Number | 0245 |
| Aircraft Type | Rotorcraft |
| 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 | DIAMOND TF INC |
| Street | PO BOX 436 |
| City | SONORA |
| State | TX |
| Zip Code | 76950 |
| County | Kenosha County |
| Country | US |
| Certificate Issue Date | 1985-11-07 |
| Last Action Date | 1991-12-21 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 1992-02-19 |