Non-Medical Masks Must Be Worn At All Times During The Flight
NON-MEDICAL MASKS OR FACE COVERINGS SHOULD:
Be made of multiple layers of tightly woven material and be secured to the persons head with ties or ear loops. Meaning bandanas, neck scarves, masks with an exhalation valve, mesh/lace masks, are no longer permitted. Face Shields are only allowed with an appropriate medical certificate. Attached are also examples of the medical certificates required for the exemptions.