36 CFR 331.14 - Aircraft.
(a) The operation of aircraft on WCA lands and waters is prohibited, unless authorized in writing by the District Engineer.
(b) Except in extreme emergencies threatening human life or serious property loss, the air delivery of any person or thing by parachute, helicopter, or other means onto project lands or waters without written permission of the District Engineer is prohibited.
Title 36 published on 2013-07-01
no entries appear in the Federal Register after this date.