| | Keystone Helicopter, a subsidiary of Keystone Ranger Holdings. |
 | | At the same time, ten Keystone Helicopter pilots were recognized for 1500 – 13,000 hours of safe flying, and Keystone Helicopter’s maintenance department received a safety award, with six personnel recognized for professional maintenance service without an accident, spanning six to 30 years of experience. |
 | | Keystone Helicopter operates a large fleet of turbine helicopters in multiple locations across several eastern states, primarily in the air medical mission. |
 | | Keystone’s accepted application certified their compliance with the following criteria: a functional, single-source operations manual; a comprehensive training program; an annual safety audit; and operation statistics regarding aircraft and hours flown. |
| www.keystonehelicopter.com /news2003.htm (5964 words) |