Hi Captains:The Thrust Reduction Altitude (related to noise abatement procedures) and the Acceleration Altitude are very frequent topics for discussion in this PMDG forum.See what I've found. It seems the ICAO standard TRA has been reduced from 1500 ft to 800 ft AGL:http://www.b737mrg.net/downloads/b737mrg_noise.pdfAnyone has more information?

Hi Captains:The Thrust Reduction Altitude (related to noise abatement procedures) and the Acceleration Altitude are very frequent topics for discussion in this PMDG forum.See what I've found. It seems the ICAO standard TRA has been reduced from 1500 ft to 800 ft AGL:http://www.b737mrg.net/downloads/b737mrg_noise.pdfAnyone has more information?

Thanks for sharing! The document says June 2006, has this been in use as of that date?