AD/HILLER 12/24 Amdt 4 - Main Rotor Blade Doubler & Honeycomb Areas 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-hiller-12-24-amdt-4-main-rotor-blade-doubler-honeycomb-areas