Airbus OP DES/OP CLB/ etc
Joined: Apr 2006
Posts: 274
Likes: 0
From: Front right seat
OP DES is a thrust idle decent. Speed controled by the elevator and a/c will not respect any constraints.
OP CLB has CLB THR as per normal. Elevator controls speed and once again no constraits will be respected.
V/S will fly whatever the selected or managed speed is and use THR to control the rate of climb or decent.
OP CLB has CLB THR as per normal. Elevator controls speed and once again no constraits will be respected.
V/S will fly whatever the selected or managed speed is and use THR to control the rate of climb or decent.

Joined: Apr 2005
Posts: 341
Likes: 0
From: UK
Open Climb and Open Descent uses pitch to control speed with a fixed thrust setting.
With the autothrust engaged the fixed thrust settings are generally climb thrust and idle respectively.
With Vertical Speed mode the autopilot pitches to achieve the vertical speed, whilst the autothrust does its best to maintain the selected speed. The vertical speed target has preference over the speed target.
Hope that helps.
With the autothrust engaged the fixed thrust settings are generally climb thrust and idle respectively.
With Vertical Speed mode the autopilot pitches to achieve the vertical speed, whilst the autothrust does its best to maintain the selected speed. The vertical speed target has preference over the speed target.
Hope that helps.




