EC135 Preflight Quiz Quiz: 10 questions / 75 % to pass Full Name Email Rotor brake disc is blue spotted: its normal, no worries HC is grounded you cannot see brake disk contact technical on-duty During DC-check voltage difference between systems I / II is: must be less than 1 Volt normal when > 2 Volts must be 1 – 2 Volts can be 25 Volts Hydraulic fluid/air sight class: must be full of air must be full of red hydraulic fluid can be ignored must have some fluid You spot a 1m x 1m pool of oil under the helicopter: uplift all oils to max just clean the floor its normal in this HC type contact technical on-duty None Lead-Lag damper has gaps between metal and rubber: depends on variation ref. P2+ / T3 look at MEL normal behaviour totally unacceptable, HC grounded Water/Debris -check for fuel is done: during heavy maintenance every morning once a week by mechanic ARIS Damper condition: can be checked from CAD can be checked from MRGB and passenger areas cannot be checked from passenger area is only checked at maintenance Cracks/Holes in Honeycomb: not allowed, contact technical on-duty are allowed up to 10 cm2 look at MEL are allowed up to 10 ea Engine oil level is checked: by mechanic biweekly before flight after every flight in the morning Draining fuel from drain valve is: taken from main and supply tanks taken from supply tank taken from main tank voluntary Time’s up