AD/BELL 412/39 Amdt 1 - Tail Rotor Yoke and Tail Rotor Flapping Stop/Indicator Zoe has a public metadata record for this legal instrument, but accepted source text is not available in the agent mirror yet. Canonical page: https://zoelaw.ai/legislation/ad-bell-412-39-amdt-1-tail-rotor-yoke-and-tail-rotor-flapping-stop-indicator