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