HAWK21M From India, joined Jan 2001, 31228 posts, RR: 58 Posted (5 months 3 weeks 5 days 16 hours ago) and read 1520 times:
Anyone aware of the practical improvements on line of the Boeing 737 performance improvement package, or PIP Program.
Has it lived up to its Aerodynamic and Engine improvements to reduce fuel burn by upto 2% as planned.