Deregistered Aircraft 1 of 1. This aircraft was previously assigned the N-number N917ET.
| Tail Number / N-Number | N917ET |
| Manufacturer | MESSERSCHMITT-BOELKOW-BLOHM |
| Model | BO-105S |
| Year Built | 1974 |
| Manufacturer's Serial Number | S-187 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 5 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250 SER |
| Engine Type | Reciprocating |
| Number of Engines | 2 engines |
| Horsepower per Engine | 420 hp (313 kW) |
| Total Horsepower | 840 hp (627 kW) |
| Type of Registrant | Corporation |
| Owner Name | E TEXAS MEDICAL CENTER REGIONAL HEALTHCARE SYSTEM |
| Street | 1000 S BECKHAM AVE |
| City | TYLER |
| State | TX |
| Zip Code | 75701-1908 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1988-12-26 |
| Certificate Issue Date | 1998-05-14 |
| Last Action Date | 2012-12-28 |
| Last Status | Valid Registration |
| Cancellation Date | 2013-03-25 |
| Exported To | AUSTRALIA |
| Mode S Code | 53130442 |
| Mode S Code Hex | ACB122 |