Design "g" for commercial helicopter 2

[amorrison]

Can anyone state what the design "g" load for a commercial helicopter fuselage should be? Sites?
Two hours of Googling has got me nothing <(

 

[Nigel]

Depends on the flight condition. Ultimate positive maneuvering load factor is 5.25g. Emergancy landing is 20g down.

http://www.airweb.faa.gov/Regulator...9DEF90770C26A3EC85256613006B2A8B?OpenDocument

http://www.airweb.faa.gov/Regulator...358E4FDB3E6DA09585256613006B87A3?OpenDocument

http://www.airweb.faa.gov/Regulator...B44B8F62F28BEFCE85256613006B8902?OpenDocument

Nigel Waterhouse B Eng (Hon's)
Can-Am Aerospace,LLC, Canadian Aircraft Certification Centre

http://www.canamaero.com