Remaining Proton-M PIII launchers and upcoming Proton-M PIV launchers to date

[Stan Black]

The satellite, Intelsat DLA-2, also known as Intelsat 31, will be launched by ILS Proton in 2015 from the Baikonur Cosmodrome in Kazakhstan utilising the vehicle’s Phase IV performance capability.

http://www.ilslaunch.com/newsroom/news-releases/ils-receives-mission-assignment-intelsat-intelsat-dla-2-launch-2015

[Stan Black]

Phase III
Ekspress-AM4R [source] [source]
Ekspress-AM7 [source] [source]

Phase IV
Ekspress-AMU1 [source] [source]

[owais.usmani]

So what is the first mission confirmed to use phase 4 proton?

[Stan Black]

Looks like the serial numbers start from 93701.

[russianhalo117]

Looks like the serial numbers start from 93701.

I concur with that

[Stan Black]

Also to note that Proton-M have serial numbers up to 93576; so at least another twenty phase III?

[Stan Black]

Still no word about the introduction of the phase IV?

Looks like Ekspress-AMU1 is to use phase III?

[Stan Black]

Looks like the serial numbers start from 93701.

Also to note that Proton-M have serial numbers up to 93576; so at least another twenty phase III?

Anik now shows three 93701, 93702 and 93703…
http://forum.nasaspaceflight.com/index.php?topic=36777.msg1493825#msg1493825

[Stan Black]

93701/99570 Intelsat 31
93702/99571 EchoStar 21
93703/99572 AsiaSat 9

[Stan Black]

19 February 2016
AsiaSat has successfully completed the launch vehicle PDR for AsiaSat 9 in Moscow at Khrunichev facility.  AsiaSat 9 will be launched using the upgraded, higher capability Phase IV Proton-M rocket with Breeze M upper stage.  The upgraded Phase IV Proton-M rocket has been qualified to provide a higher performance lift capability for AsiaSat 9. This includes lighter structure, better propellant management and other associated improvements.  The upgraded launch vehicle performance will provide AsiaSat 9 with more fuel margin to exceed the planned in-orbit maneuver life.

http://www.asiasat.com/news/blog/a9pdr

[Stan Black]

So, the introduction of phase IV does not indicate the end of phase III or even phase I?

We now have the capability to essentially roll back to prior configurations that will provide the necessary performance for these lighter satellites while taking advantage of the cost effectiveness from the technology introduced to improve the vehicle performance over the past 10 years.

http://www.ilslaunch.com/node/4592

[russianhalo117]

So, the introduction of phase IV does not indicate the end of phase III or even phase I?

We now have the capability to essentially roll back to prior configurations that will provide the necessary performance for these lighter satellites while taking advantage of the cost effectiveness from the technology introduced to improve the vehicle performance over the past 10 years.

http://www.ilslaunch.com/node/4592

It is my understanding that Phase I is still planning to go away but that Phase III will stay in coproduction with Phase IV likely until the end of Proton, although in recent announcements from Roscosmos officials on Khrunichev reorganization for profitability and stability say that Proton-M will go to single version (Phase IV) in the near future during the reorganization period. Also the officials said that Khrunichev must end Proton, Rockot and Strela programs as soon as Angara is available in Vostochny and Plesetsk pad is fully functional for Blok-DM.

[russianhalo117]

Translated to English via the owner/staff at Russian Space Web:

On January 30, the head of RKTs Progress Dmitry Baranov was quoted by the official TASS news agency as promising "around 20" launches of Soyuz rockets during 2023. With two or three Proton launches and couple of Angara missions, Russia could make more than two dozen orbital launch attempts during the year.

[Vahe231991]

The remaining Proton-Ms belonging to the Phase III and Phase IV production blocks are listed elsewhere on this thread:
https://forum.nasaspaceflight.com/index.php?topic=17568.380