Regulations for Travelling with Cremation Ashes.
To maintain the highest level of security, TSA determined that documentation from a funeral home about the contents of a crematory container was no longer sufficient Cubic Inch to allow the container through a security checkpoint and onto a plane. All crematory containers must pass through an X-ray machine. If a container is made of a material that prevents screeners from clearly seeing what is inside, the container will not be allowed through the checkpoint. Out of respect for the deceased, screeners will not open a container, even if requested by the passenger. TSA recommends that passengers transport remains in temporary or permanent "security friendly" containers constructed of light-weight materials such as Cornstartch, Paper, Plastic or Wood. Temporary containers are typically available from funeral homes and offer a security friendly means to travel by air with a crematory container.
Once the passengers complete their travel, they can visit their local TSA's Funeral Home Partner who will transfer the remains from the temporary container to the permanent container free of charge. The complimentary "Remains Transfer Service" has been embraced by the funeral industry and already many funeral homes have requested to become partners in this important customer service effort.