Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N51692.
| Tail Number / N-Number | N51692 |
| Manufacturer | ENSTROM |
| Model | F-28C |
| Manufacturer's Serial Number | 410 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | 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 |
| Average Cruising Speed | 75 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | ADVOCATE AIRWAYS INC |
| Street | PO BOX 948 |
| City | PLYMOUTH |
| State | MA |
| Zip Code | 02360 |
| Region | New England |
| Certificate Issue Date | 1978-01-03 |
| Last Status | Valid Registration |
| Cancellation Date | 1978-04-17 |
| Exported To | GERMANY |
| Mode S Code | 51475547 |
| Mode S Code Hex | A67B67 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N51692.
| Tail Number / N-Number | N51692 |
| Manufacturer | TIMM |
| Model | N2T-1 |
| Year Built | 1943 |
| Manufacturer's Serial Number | 229 ARMY 32489 |
| 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 | 120 miles per hour |
| Type of Registrant | Individual |
| Certificate Issue Date | 1948-12-08 |
| Last Status | Valid Registration |
| Cancellation Date | 1948-12-17 |
| Mode S Code | 51475547 |
| Mode S Code Hex | A67B67 |