Civil Aviation Order 20.9 - Air service operations - Precautions in refuelling, engine and ground radar 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-20-9-air-service-operations-precautions-in-refuelling-engine-and-ground-radar-o