Fuel quantity indicator RPM indicator, toerenteller Aircraft clock, 5ACA Dornier Do-24 vliegboot Brandstofmeter toepassing in cockpit van Percival Proctor TRA-41A MX-9577/A RT-1159A MX9577/A 618P-6 RT-742/ARC-51BX RT-348/ARC-54 RT-348/ARC-54