PPRuNe Forums - View Single Post - Purpose of Semi-Fixed De-rates (TO1, To2)

21st January 2011 | 00:59

#27 (permalink)

Brenoch

Joined: Oct 2000

Posts: 510

Likes: 0

From: Costa del Thames

Bealzebub;

There seems to be discrepancy in our manuals. This is from my systems description manual B757-200.

Displayed (green) – selected FMS thrust reference mode:
Takeoff:
• TO – maximum rated takeoff thrust
• TO 1 – takeoff thrust one, climb one preselected
• TO 2 – takeoff thrust two, climb two preselected
Assumed Temperature Takeoff:
• D–TO – assumed temperature derated takeoff thrust
• D–TO 1 – assumed temperature derated takeoff thrust one, climb one
preselected
• D–TO 2 – assumed temperature derated takeoff thrust two, climb two
preselected

(Edited to say sorry for drifting)

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