3 ms·

Also that goes off pretty frequently. When the PIC switches off autopilot when coming in for landing, for example.

• bombcar 4y ago
  Yeah, many activities trigger it (the pilot will be expecting it coming out of autopilot, if he hears it at cruise because autopilot disengaged they'll investigate).
• AceyMan 4y ago
  I suspect you meant "the PF" not the PIC (where PF equals 'pilot flying').
• bayindirh 4y ago
  It was squarely mid-flight/cruising, international IIRC. We were nowhere near landing/approach.
• jaywalk 4y ago
  Autopilot disconnect sound is distinct from master caution/warning.