What is the Data Telling Us? Summary of Helicopter Safety Advisory Conference (HSAC) Data HSAC Safety Through Cooperation Pat Attaway Helicopter Safety Advisory Conference – Chairman

1999 2017 The HSAC 1999 to 2017 Aircraft – 601 Single Engine – 413 Light Twin – 81 Medium Twin – 93 Heavy Twin – 14 Passengers – 2,664,848 Hours Flown – 392,712 Number of Flights – 1,459,781 2017 Aircraft - 329 Single Engine – 182 Light Twin – 29 Medium Twin – 80 Heavy Twin – 43 Passengers - 1,322,160 Hours Flown – 188,799 Number of Flights – 491,697 HSAC Safety Through Cooperation

The HSAC Aviation Accident Rate per 100,000 Flight Hours (1999-2017) Safety Through Cooperation

99 Accidents The HSAC Aviation Safety Staircase (1999-2017) Accidents Total Accidents If there were no aircraft technical failures If there were no helideck conformance issues and pilots complied If there were no aircraft loss of control or pilot procedural errors If there were no CFIT events Accidents If there were no unknown events If there were no fuel management events If there were no loose cargo events If there were no fuel quality events If there were no passenger control events If there were no tiedown events If there were no weather events If there were no contact with obstacles HSAC Safety Through Cooperation

What is the Data Telling Us? Questions? Thank you for your time. Pat Attaway: pattaway@phihelico.com HSAC Safety Through Cooperation Pat Attaway Helicopter Safety Advisory Conference – Chairman