Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N2821.
| Tail Number / N-Number | N2821 |
| Manufacturer | CURTISS |
| Model | H.S.L. 2 |
| Manufacturer's Serial Number | A-2222 |
| Aircraft Type | Fixed wing single engine |
| Category | Sea |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | TYNDALL THOMAS T |
| Street | 59 COLUMBIA AVE |
| City | ALBANY |
| State | NY |
| Zip Code | 12207 |
| Region | Eastern |
| Last Status | Valid Registration |
| Mode S Code | 50553744 |
| Mode S Code Hex | A2D7E4 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N2821.
| Tail Number / N-Number | N2821 |
| Manufacturer | CURTISS |
| Model | H.S.L. 2 |
| Manufacturer's Serial Number | 1971 |
| Aircraft Type | Fixed wing single engine |
| Category | Sea |
| Builder Certification | Not Type Certificated |
| Number of Seats | 3 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Type of Registrant | Individual |
| Owner Name | TYNDALL THOMAS T |
| Street | 59 COLUMBIA AVENUE |
| City | ALBANY |
| State | NY |
| Zip Code | 10001 |
| Region | Eastern |
| Last Status | Valid Registration |
| Cancellation Date | 1929-01-15 |
| Mode S Code | 50553744 |
| Mode S Code Hex | A2D7E4 |