All keyholes are on this website: Keyholes.txt
2011:
* Jan 11-29 D27 Keyhole (Jan 15-26 34m Keyhole)
* Jan 19 Spacecraft Maneuvers (SK + MM)
* Jan 25 180 Degree Roll
* Apr 12 MDI stopped taking science data
* Apr 12-25 D27 Keyhole (Apr 15-23 34m Keyhole)
* Apr 22 Spacecraft Maneuvers and 180 Degree Roll
* Jun 30 Beginning SUMER min-campaign: Submode switch 6 -> 5 at 14:20 UT
* Jul 8 End SUMER mini-campaign
* Jul 8-28 D27 Keyhole (Jul 12-24 34m Keyhole)
* Jul 19 Spacecraft Maneuvers (SK + MM)
* Jul 22 180 Degree Roll
* Jul 23 Submode switch 5 -> 6
* Oct 10-23 D27 Keyhole (Oct 13-20 34m Keyhole)
* Oct 20 Spacecraft Maneuvers and 180 Degree Roll
2012:
* Jan 02-21 D27 Keyhole (Jan 06-17 34m Keyhole)
* Jan 13 Spacecraft Maneuvers (SK + MM)
* Jan 17 180 Degree Roll
* Mar 23 Beginning SUMER mini-campaign
* Mar 30 End SUMER mini-campaign
* Apr 2-15 D27 Keyhole (Apr 3-12 34m Keyhole)
* Apr 11 Spacecraft Maneuvers and 180 Degree Roll
* Apr 16 Beginning SUMER mini-campaign
* Apr 30 End SUMER mini-campaign
* Jun 27-Jul 18 D27 Keyhole (Jul 1-13 34m Keyhole)
* Jul 06 Spacecraft Maneuvers (SK + MM)
* Jul 12 180 Degree Roll
* Sep 30-Oct 13 D27 Keyhole (Oct 2-10 34m Keyhole)
* Oct 09 Spacecraft Maneuvers and 180 Degree Roll
* Dec 23-Jan 11 D27 Keyhole (Dec 27-Jan 07 34m Keyhole)
2013:
* Jan 03 Spacecraft Maneuvers (SK + MM)
* Jan 07 180 Degree Roll
* Jan 23 End of UVCS operations
* Apr 02 Spacecraft Maneuvers and 180 Degree Roll
* Jun 28 Spacecraft Maneuvers (SK + MM)
* Jul 03 180 Degree Roll
* Sep 30 Spacecraft Maneuvers and 180 Degree Roll
2014:
* Jan 06 Spacecraft Maneuvers and 180 Degree Roll
* Mar 24 Spacecraft Maneuvers and 180 Degree Roll
* June 23 Spacecraft Maneuvers and 180 Degree Roll
* Jul 28-Aug 8 SUMER-IRIS campaign
* End of Aug End of CDS operations