14 CFR 29.1123 - Exhaust piping.
(a) Exhaust piping must be heat and corrosion resistant, and must have provisions to prevent failure due to expansion by operating temperatures.
(b) Exhaust piping must be supported to withstand any vibration and inertia loads to which it would be subjected in operation.
Title 14 published on 2015-01-01.
No entries appear in the Federal Register after this date, for 14 CFR Part 29.