Civil Aviation Order 29.11 - Air service operations - Helicopter winching & rappelling operations (02/12/2004) 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/civil-aviation-order-29-11-air-service-operations-helicopter-winching-rappelling-operations-02-12-20