Just some insigth to the fuel system for ec-135;
- In hover you will normally get a Fuel pump Aft light around 71kg (15-20min), this is unusable fuel until acc. speed above 80kts.
- Low fuel light and gong when 8-10 min fuel remaining
- The supply tanks have a 5 kg difference to avoid flame out of engines at the same time!
That´s if system is a´ ok!
This machine is strong enough to hover OEI at current config. 3 crew police version, with 60 min of fuel remaining. Understand it had been airborn for almost 2 hr´s.
Birdstrike is ulikely the way the air intake is built passing cooling fan, MGB and changing 90´direction to a protected compressor. That´s also why flame out due to snow/icing is highy unlikely on theese machines.
Hover at night can cause SWP.
Still a mystery to me!