MIRNEWS.166 25 MARCH 1993 PROGRESS-M16: On 21 and 22.03.93 the engines of this freighter corrected MIR's orbit. This seemed to be the last contribution of Pr-M16 to Russian spaceflight, but it appeared that Pr-M16 still has to do a lot of work. On 27.03.93 at 0650UTC Pr-M16 will undock from MIR, but this time not to conclude its existence. For some time Pr-M16 will fly autonomously manoeuvred by telecommands from the MIR-crew. In a distance of abt. 80 M Pr-M16 will make images and films of the MIR-complex. After these and other experiments the crew will dock the Pr-M PROGRESS-M17: Launch of this freighter still on schedule for 31.03.93. MIR: During recent passes the crew was very busy preparing the operations with Pr-M16. During the pass in orb. 40606, 1150UTC, on 25.03.93 the crew did airseal checks in Kvant-1. They also connected the electronic devices of the remote-control system and ... Chris v.d. Berg, NL-9165/A-UK3202.