(b) Each airport used for airplanes and gliders must have at least one runway or takeoff area that allows training aircraft to make a normal takeoff or landing under the following conditions at the aircraft's maximum certificated takeoff gross weight:
(1) Under wind conditions of not more than 5 miles per hour;
(2) At temperatures in the operating area equal to the mean high temperature for the hottest month of the year;
(3) If applicable, with the powerplant operation, and landing gear and flap operation recommended by the manufacturer; and
(4) In the case of a takeoff—
(i) With smooth transition from liftoff to the best rate of climb speed without exceptional piloting skills or techniques; and
(ii) Clearing all obstacles in the takeoff flight path by at least 50 feet.
(c) Each airport must have a wind direction indicator that is visible from the end of each runway at ground level;
(d) Each airport must have a traffic direction indicator when:
(1) The airport does not have an operating control tower; and
(2) UNICOM advisories are not available.
(e) Except as provided in paragraph (f) of this section, each airport used for night training flights must have permanent runway lights;
(f) An airport or seaplane base used for night training flights in seaplanes is permitted to use adequate nonpermanent lighting or shoreline lighting, if approved by the Administrator.
[Doc. No. 25910, 62 FR 16347, Apr. 4, 1997; Amdt. 141–9, 62 FR 40907, July 30, 1997]