Per TSA Guidelines, airlines will not accept packages weighing in excess of 1 pound from unregistered shippers. This applies to ALL shippers. You must apply to be a known shipper for EACH airline.
The following is a listing of known airline requirements for shipment of human remains and/or cremated remains. This list will be updated as NFDA learns of any changes however requirements/procedures may have changed since publication. NFDA recommends you check with airline on their procedures as well. If you learn of a change from this guide please contact NFDA at 800-228-6332 so the change can be made.