You can order helicopter anytime of day by email or try Flight generator !  For sending a booking request , you need desired departure location , destination , date and time and the name, mobile no,  and address of the person paying for the trip. You are jointly  liable for payment . For sling load operations separate terms apply. If you order on behalf of others, eg . company or organization , you are also personally jointly  liable for payment unless otherwise stated in writing from another payment responsible .