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