If you purchased the certificate yourself, log in with the same user id as when you purchased the card. Go to "My Flights" . There you will find the certificate and may register the desired date. If you were given the Gift Certificate from someone else, then enter the serial number found on the certificate in the box "Use Gift Certificate". Follow instructions to complete.
If you have ordered a helicopter tour for a smaller number of passengers than the helicopter has seats, you must share the trip with others. If there are not enough ipassengers, the assignment will not be sent to the helicopter companies in the region. Then a new date must be entered.
Single seats are an opportunity to get a ride in the air without having to pay for the full helicopter. You share the helicopter with others who want the same tour. When you order, You pay only 10% and then directed directly to the page where you enter the desired date and passenger names. If all seat sin the helicopter are not taken, you are notified and may choose a new date in "My Flights". You pay for the rest of the flight the day of departure.
If you have booked a tour listed on the calendar, and which is waiting to fill up vacant seats, you may change the booked date in "My Flights". When all seats are taken and the flight order is sent to an operator, you can not change the date.