A7 Recommended aircraft equipment fit 137 A8 Heliportable land seismic operations (to be issued September 2007) 143 A9 Winching (hoisting) operations 145
A9.1 Personnel transfer by winch ................................................................................................................................147
A9.2 Helicopter performance.......................................................................................................................................147
A9.3 Operational procedures........................................................................................................................................147
A9.4 Personnel (pilots & winch operator) guidelines .............................................................................................148
A9.5 Required equipment standards...........................................................................................................................148
A10 Airborne geophysical survey 151
A10.1 Risk analysis.............................................................................................................................................................153
A10.2 Aircraft equipment standards..............................................................................................................................153
A10.3 Personal equipment standards.............................................................................................................................153
A10.4 Minimum crew.......................................................................................................................................................153
A10.5 General pilot experience ...................................................................................................................................... 154
A10.6 Pilot flight & duty times ...................................................................................................................................... 154
A10.7 Minimum survey height ...................................................................................................................................... 154
A10.8 Minimum survey speed......................................................................................................................................... 155
A10.9 SAR coverage...........................................................................................................................................................155
A10.10 Minimum fuel reserves ......................................................................................................................................... 155
A10.11 Fuel quality & procedures .................................................................................................................................... 155
A10.12 Helicopter procedures .......................................................................................................................................... 156