Allison 250 turboshaft startup

[@willisalmagro5906]

Well organized testing system.

[@IamMagPie]

I want this sound on my alarm clock - just to get me going in the morning.

[@rand281]

couldnt agree more!

[@barjan82]

@@rand281 😁😁😁😁

[@subandono9449]

Share wairing electrical...

[@way2sh0rt07grad]

So glad my school is smart and we keep a real APU and battery instead of being ghetto about it

[@rand281]

Must be nice!

[@Venomrs4]

I’ll take this, an actual helicopter engine, over your school’s APU (basically a fancy generator) any time.

[@تطوير67]

جيد.جدا🍎

[@تطوير67]

جيد..كود🍎