scope:

Purpose

This directive describes the roles, responsibilities, and procedural requirements for implementing the HMTA to protect the health and lives of all personnel of an aircraft or a spacecraft from hazards associated with performing flight missions and associated testing and training.

Applicability

a. This directive is applicable to NASA Headquarters and NASA Centers, including Component Facilities and Technical and Service Support Centers. This language applies to the Jet Propulsion Laboratory (JPL) (a Federally Funded Research and Development Center), other contractors, recipients of grants or cooperative agreements, and parties to other agreements only to the extent specified or referenced in the applicable contract, grant, or agreement.

b. This directive is applicable to Mission Directorates and their programs and projects performing flight activities.

c. The directive is applicable to:

(1) All NASA human space flight activities.

(2) Internationally and commercially provided space systems involving all personnel of a spacecraft, where the requirements are applicable as flowed from programs or projects, and documented in distinct separate agreements such as joint or multilateral agreements.

(3) Atmospheric flight activities involving all personnel of an aircraft.

(4) Research and Technology Development programs involving flight crews or other occupants.

(5) Specific elements of the NASA Occupational Health Program, as described herein.

d. In this directive, all mandatory actions (i.e., requirements) are denoted by statements containing the term "shall." The terms "may" denotes a discretionary privilege or permission, "can" denotes statements of possibility or capability, "should" denotes a good practice and is recommended, but not required, "will" denotes expected outcome, and "are/is" denotes descriptive material.

e. In this directive, all document citations are assumed the latest version unless otherwise noted.