ATA-52 DOORS TROLLEY STORAGE DOORSThese equipments allow the storage of the doors of the Eurofighter combat aircraft. ATA-7 LIFTING ATA-8 LEVELING ATA-9 TOWING AND TAXING ATA-12 SERVICING ATA-24 ELECTRICAL POWER ATA-29 HYDRAULIC POWER ATA-32 LANDING GEAR ATA-35 OXYGEN ATA-38 WATER - WASTE ATA-44 IN-FLIGHT REFUEL ATA-47 GASEOUS NITROGENL SUPPLY EQUIPMENT ATA-52 DOORS ATA-53 FUSELAGE ATA-54 NACELLES - PYLONS ATA-55 STABILIZERS ATA-61 PROPELLERS - PROPULSORS ATA-71 POWER PLANT ATA-72 ENGINE ATA-73 ENGINE FUEL AND CONTROL