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Title 14: Aeronautics and Space
CHAPTER I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (CONTINUED)
SUBCHAPTER G: AIR CARRIERS AND OPERATORS FOR COMPENSATION OR HIRE: CERTIFICATION AND OPERATIONS
PART 121: OPERATING REQUIREMENTS: DOMESTIC, FLAG, AND SUPPLEMENTAL OPERATIONS
Subpart M: Airman and Crewmember Requirements
121.389 - Flight navigator and specialized navigation equipment.
(a) No certificate holder may operate an airplane outside the 48 contiguous States and the District of Columbia, when its position cannot be reliably fixed for a period of more than 1 hour, without?
(1) A flight crewmember who holds a current flight navigator certificate; or
(2) Specialized means of navigation approved in accordance with ? 121.355 which enables a reliable determination to be made of the position of the airplane by each pilot seated at his duty station.
(b) Notwithstanding paragraph (a) of this section, the Administrator may also require a flight navigator or special navigation equipment, or both, when specialized means of navigation are necessary for 1 hour or less. In making this determination, the Administrator considers?
(1) The speed of the airplane;
(2) Normal weather conditions en route;
(3) Extent of air traffic control;
(4) Traffic congestion;
(5) Area of navigational radio coverage at destination;
(6) Fuel requirements;
(7) Fuel available for return to point of departure or alternates;
(8) Predication of flight upon operation beyond the point of no return; and
(9) Any other factors he determines are relevant in the interest of safety.
(c) Operations where a flight navigator or special navigation equipment, or both, are required are specified in the operations specifications of the air carrier or commercial operator.
[Doc. No. 10204, 37 FR 6464, Mar. 30, 1972, as amended by Amdt. 121-178, 47 FR 13316, Mar. 29, 1982]
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