Maurice M. Bayon, Vice-President and Co-Founder of Petroleum Helicopters Inc. (PHI). PHI was founded in 1949 with three Bell 47 aircraft. Today, PHI Inc. olwns or operates 259 aircraft domestically and internationally. 162 aircraft are dedicated to its Oil and Gas segment. 88 aircraft are dedicated to its Air Medical segment. They also operate five aircraft for the National Science Foundation in Antarctica. From Vertiflite, March/April 1974 (page 28).