(a) Each oil line must meet the requirements of §29.993.
(b) Breather lines must be arranged so that --
(1) Condensed water vapor that might freeze and obstruct the line
cannot accumulate at any point;
(2) The breather discharge will not constitute a fire hazard if foaming
occurs, or cause emitted oil to strike the pilot's windshield; and
(3) The breather does not discharge into the engine air induction