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lodged ticket today. Tried it again on diff route and still no Speed / path option on FMC descent page. So only VNAV PATH available for me at the moment.

Had this happen to me today. Lodged ticket. Uncontrolled descending right turn after A/P disengage on finals. Yoke frozen in position and throttles only capable of reverse not forward thrust. No reverse indications on eng display and throttles frozen in position also.

The 737's I fly have the option on the descent page to select path or speed mode yet I can't find it on the NGX????Also, with version 10.8 of the fmc you should be able to arm VNAV prior to takeoff and it engages at 400ft which all seemed to work ok until after takeoff the autothrottle refused to maintain FMC speed (just kept accelerating). Anyone else had this?

Ticket now lodged. Thanks for your replies.

Hi Ryan and the guys, long time simmer, first time poster. I'm also a 737 pilot in my day job and wanted to say firstly thank you very much for a wonderful product. Despite some issues getting the ngx to run smoothly (or at all) I seem to be almost there now. I just wanted to bring to your attention some issues I have noticed that might be added to your first service pack. I have searched the forums extensively and can't find anyone else raising these particular issues. 1) Some systems will not function until the IRS' are aligned. Eg. the autobrake cannot be selected to RTO, it just stays in self-test mode with the amber autobrake disarm light iluminated. Also the FMC will not display target descent speed until the IRS' are aligned and therefore cannot be changed until they are. This is contrary to the real aircraft and makes pre-flight a little un-realistic. The EFIS selectors (STA, APT, POS, etc) on the EFIS panel will not display on the ND until full alignment also but that is really minor. The Yaw Damper light will not extinguish until full IRS alignment. (Jeeeze, picky hey?) 2) Tuning navaids (VOR / ILS) on NAV1 or 2 seems to cause a drop in FPS and visual stuttering. Interestingly the FPS counter shows large variations in the FPS (jumps from 11 to 28 and back again in constant cycle) and I can notice a significant difference in the smoothness of the taxiing or flight. If the navs are tuned to a vor the stuttering begins, particularly when taxiing but when I de-tune the aids......smooth as silk and a beautiful ride. This is really painful because I didn't expect a visual difference between having aids tuned and not tuned. 3) I can't assign the Engine start levers to buttons on my Saitek yoke for this aircraft yet I can for any other aircraft in FSX. This is the only PMDG aircraft I have for FSX so I'm not sure if this is an old issue or not. Thanks again for your help and I hope I may have brought your attention to some previously unknown problems.