00477nam a2200145Ia 4500008005200000020001400052082001700066100004800083245004000131260006200171300001600233650002200249650002600271650003400297191121s     1989      ||||xx |||||||||||||| ||und||  a948691441  a387.540bICS  aInternational Chamber of Shipping and OCIMF 0aGuide to helicopter/ship operations  bInternational Chamber of Shipping and OCIMFaLondonc1989  aviii, 39 p.  aGeneral Guidance   aGeneral Flying Safety  aHelicopter Operating Guidance