12. Helicopter aerodynamics, structures and systems - Q&A

A cargo compartment in which there is a separate approved smoke or fire detector system to give warning and means to shut off the ventilating airflow to the compartment is a

• Class 'E' compartment.
• Class 'C' compartment.
• Both.

With an increase in forward velocity of a helicopter, the increase in parasitic drag will cause the fuselage attitude to

• pitch down.
• remain level.
• pitch up.