Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N598S.
| Tail Number / N-Number | N598S |
| Manufacturer | SIKORSKY |
| Model | S-58DT |
| Year Built | 1960 |
| Manufacturer's Serial Number | 58-1196 |
| 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 | 108 miles per hour |
| Type of Registrant | Corporation |
| Owner Name | MCMAHON HELICOPTER SERVICES INC |
| Street | 8351 RONDA DR |
| City | CANTON |
| State | MI |
| Zip Code | 48187-2079 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1987-07-17 |
| Certificate Issue Date | 2000-10-24 |
| Last Action Date | 2006-12-19 |
| Last Status | The Triennial Aircraft Registration form was mailed and has not been returned by the Post Office |
| Cancellation Date | 2004-05-04 |
| Mode S Code | 51736257 |
| Mode S Code Hex | A7BCAF |