Aircraft wreck means the physical remains of an aircraft, intact or otherwise, its cargo, and other contents. Aircraft wrecks are classified as either historic structures or archeological sites.
Archeological site means the location of an event, a prehistoric or historic occupation or activity, or a building or structure, whether standing, ruined, or vanished, where the location itself maintains historical or archeological value regardless of the value of any existing structure. A ship or aircraft wreck, along with its debris field, is an archaeological site when it lacks the structural integrity of an intact aircraft or vessel and when it and its location retain archeological or historical value regardless of the value of any existing remains.
Artifact means any object or assemblage of objects, regardless of age, whether in situ or not, that may carry archeological or historical information that yields or is likely to yield information to the scientific study of culture or human history.
Cultural resource means any prehistoric or historic district, site, building, structure, or object, including artifacts, records, and material remains related to such a property or resource. Historic aircraft wrecks or shipwrecks are classified as either archeological sites or historic structures.
Gravesite means any natural or prepared physical location, whether originally below, on, or above the surface of the earth, where individual human remains are deposited.
Historic structure means a structure made up of interdependent and interrelated parts in a definite pattern or organization. Constructed by humans, it is often an engineering project large in scale. An aircraft wreck or shipwreck is a historic structure when it is relatively intact and when it and its location retain historical, architectural, or associative value.
Permit holder means any person authorized and given the exclusive right by the NHC to conduct any activity under these regulations.
Permitted activity means any activity that is authorized by the NHC under the regulations in this part.
Research vessel means any vessel employed for scientific purposes under the regulations in this part.
Ship wreck means the physical remains of a vessel, intact or otherwise, its cargo, and other contents. Shipwrecks are classified as either historic structures or archeological sites.
Wrecksite means the location of a ship or aircraft that has been sunk, crashed, ditched, damaged, or stranded. The wreck may be intact or scattered, may be on land or in water, and may be a structure or a site. The site includes the physical remains of the wreck and all other associated artifacts.