| Tail Number / N-Number | N52H |
| Type of Reservation | Fee paid |
| Reserving Party Name | SHORT-N-NUMBERS |
| Street | PO BOX 368 |
| City | GROVELAND |
| State | FL |
| Zip Code | 34736-0368 |
| Date Reserved | 2017-08-24 |
| Expiration Date | 2023-06-24 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N52H.
| Tail Number / N-Number | N52H |
| Manufacturer | SIKORSKY |
| Model | S-55 |
| Year Built | 1954 |
| Manufacturer's Serial Number | S-55835 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 12 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | P&W |
| Engine Model | R1340 SERIES |
| Engine Type | Reciprocating |
| Number of Engines | 1 engine |
| Horsepower | 600 hp (448 kW) |
| Average Cruising Speed | 85 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | HELICOPTERS LTD |
| Street | 505 PARK AVENUE |
| City | NEW YORK |
| State | NY |
| Zip Code | 10022 |
| Country | US |
| Airworthiness Classification | Standard |
| Certificate Issue Date | 1970-09-24 |
| Last Action Date | 1977-01-14 |
| Last Status | Revoked – Canceled |
| Cancellation Date | 2012-08-14 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N52H.
| Tail Number / N-Number | N52H |
| Manufacturer | CURTISS WRIGHT |
| Model | ROBIN C-1 |
| Manufacturer's Serial Number | 414 |
| Aircraft Type | Fixed wing single engine |
| 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 | 79 miles per hour |
| Type of Registrant | Partnership |
| Owner Name | ROBERTS GILBERT |
| Street | MAIN ST |
| City | NEW LONDON |
| State | NH |
| Zip Code | 03257 |
| Region | New England |
| Certificate Issue Date | 1940-09-05 |
| Last Status | Valid Registration |
| Cancellation Date | 1941-08-15 |