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