GT Air uses a secure checkout system. We utilise a 3rd party payment provider called Total Web Solutions (www.totalwebsolutions.com) for payment with credit/debit cards. We also have a Paypal payment option and should you wish to pay with PayPal you will be forwarded to the PayPal website when you complete your order for payment. Rest assured all data is processed in a highly secured manner in line with current PCI compliance laws. We review our payment processes on an annual basis as per PCI guidance. We do not store any credit card information on our systems.