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