Appendix
© PAT
Rev. D 04/12/02 CSH
190072_d.DOC
47
Appendix A: Detailed symbol explanation of boom extensions
main boom
(Tube or Angular
Boom)
Fixed jib operation
main boom
with tip
extension
(“Horse Head”)
luffing jib operation
main boom
with
hammerhead
luffing jib + fixed jib
operation
main boom
with
hammerhead
and extension