| Tail Number / N-Number | N37723 |
| Type of Reservation | Fee paid |
| Reserving Party Name | UNITED AIRLINES INC |
| Street | C/O LYTLE SOULE & CURLEE 119 N ROBINSON AVE STE 1200 |
| City | OKLAHOMA CITY |
| State | OK |
| Zip Code | 73102-4617 |
| Date Reserved | 2022-09-15 |
| Expiration Date | 2023-07-15 |
Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N37723.
| Tail Number / N-Number | N37723 |
| Manufacturer | SIKORSKY |
| Model | S-58ET |
| Year Built | 1975 |
| Manufacturer's Serial Number | 58-1672 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 14 seats |
| Weight Class | CLASS 2 (12,500 - 19,999 pounds gross take off weight) |
| Engine Manufacturer | P&W CANADA |
| Engine Model | PT6T-6 |
| Engine Type | Turbo-shaft |
| Number of Engines | 1 engine |
| Horsepower | 925 hp (690 kW) |
| Average Cruising Speed | 81 miles per hour |
| Type of Registrant | Non Citizen Corporation |
| Owner Name | OBRIEN INTERNATIONAL INC |
| Street | 51 N HOAGLAND BLVD |
| City | KISSIMMEE |
| State | FL |
| Zip Code | 34741-4568 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 2001-03-16 |
| Certificate Issue Date | 2004-02-19 |
| Last Action Date | 2004-02-19 |
| Last Status | Valid Registration |
| Cancellation Date | 2006-03-13 |
| Exported To | PERU |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N37723.
| Tail Number / N-Number | N37723 |
| Manufacturer | REARWIN |
| Model | 175 |
| Manufacturer's Serial Number | 1564 |
| 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 | 86 miles per hour |
| Type of Registrant | Individual |
| Owner Name | LISCHER DONALD A |
| Certificate Issue Date | 1942-05-22 |
| Last Status | Valid Registration |
| Cancellation Date | 1943-10-09 |