This sound is from ALARMS, GPWS and TCAS (Boeing) megapack

Sounds took from boeing 777
includes: All TCAS sounds, All GPWS sounds, All ALARM sounds (fire bell, gear up warning, stall, altitude, V1, Radio Altimeter, Dont sink, Sink Rate, Pull up, Whoop whoop, Whoop whoop pull up, Windshear, GlideSloper, Bank Angle, Too low gear, Too low flaps)