Context: Heliports and the 700′ limit The Hellenic Civil Aviation Authority (HCAA) publishes procedures in its Aeronautical Information Publication (AIP) for helicopters operating from private heliports south of Eleftherios Venizelos (LGAV). A safety study prepared for the Athens air‑traffic service describes the procedures. Helicopter pilots departing or arriving at heliports such as Koropi must cross…