Interesting package of 10 proposed short- to medium-term noise mitigation measures announced in the last couple of days, presumably a reaction to the adverse
PR generated by the recent flightpath trials:
1 Encouraging remaining operators of Chapter 3 aircraft at LHR to phase them out
2 Encouraging operators of A320 family aircraft to embody the FOPP airflow deflector mod
3 Targetting airlines with poor CDA performance
4 Reducing inconsistent deployment of landing gear on approach
5 Trialling 3.25° approaches
6 Changes to nighttime runway alternation
7 Accelerated school double-glazing programme
8 More igloos for Hounslow primary schools
9 Increased fines for operators breaching departure noise limits
10 Improving late-night departure punctuality
http://www.heathrowairport.com/stati..._blueprint.pdf