This is probably what you are refering to:-
Performance Officer
Purpose
To provide an efficient support service to the Flight Deck crew. Dealing with all aspects of navigation, performance, crew briefing and technical publications.
Main Tasks
- Building company routes (ATS) for a/c fleets in accordance with various routing schemes and local restrictions taking into account ATC restrictions
-Controlling content and supply of navigation databases for company a/c
-Continually review and update runway performance data for all company a/c type
-Maintain and create electronic manuals/software - allocation of a/c laptops
-Maintain the flight support briefing sustem for the flight deck crew
-Maintaining various aeronautical information publications and company operating manuals
-Conducting commercial route analysis and development
-Maintaining both navigational and technical libaries for all holder/aircaraft
-Flight planning duties
-Quality control
Requirements
A level standard, 5 years ops experience and sound knowledge of perf A a/c an advantage, etc, etc.