# 420.59 Mishap plan.
(a) *General.* A licensee must report, respond to, and investigate any event that meets either paragraph (1) or (5) of the definition of “mishap” in § 401.7 of this chapter. A licensee must submit a mishap plan that meets the requirements of § 450.173(b) through (f).
(b) *Launch mishaps.* A launch site operator's mishap plan must also contain procedures for participating in an investigation of a launch mishap for launches launched from the launch site.
(c) *Other agency procedures.* Emergency response and investigation procedures developed in accordance with 29 CFR 1910.119 and 40 CFR part 68 will satisfy the requirements of § 450.173(d) and (e) to the extent that they include the elements required by § 450.173(d) and (e).
[Doc. No. FAA-2019-0229, Amdt. 420-9, 85 FR 79716, Dec. 10, 2020]