EC135 Preflight Quiz Quiz: 10 questions / 75 % to pass Full Name Email Hydraulic fluid/air sight class: must be full of red hydraulic fluid must be full of air 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 ARIS Damper condition: can be checked from MRGB and passenger areas is only checked at maintenance cannot be checked from passenger area can be checked from CAD Engine oil level is checked: in the morning before flight after every flight by mechanic biweekly Cracks/Holes in Honeycomb: look at MEL are allowed up to 10 cm2 not allowed, contact technical on-duty are allowed up to 10 ea During DC-check voltage difference between systems I / II is: must be less than 1 Volt normal when > 2 Volts can be 25 Volts must be 1 – 2 Volts Lead-Lag damper has gaps between metal and rubber: look at MEL depends on variation ref. P2+ / T3 normal behaviour totally unacceptable, HC grounded Water/Debris -check for fuel is done: by mechanic every morning once a week during heavy maintenance Draining fuel from drain valve is: taken from main and supply tanks voluntary taken from supply tank taken from main tank Rotor brake disc is blue spotted: HC is grounded you cannot see brake disk its normal, no worries contact technical on-duty Time’s up