EXPEDITION NAME: MOBY - L32 EXPEDITION DATES: 1 - 3 Jun 98 CRUISE NAME: CRUISE DATES: 2 - 3 Jun 98 SHIP: R/V Manta SHIP HOME PORT: Hawaiian Rafting Adv. CRUISE LOCATION: Lanai CHIEF SCIENTIST: Mark Yarbrough PARTICIPANTS: Mike Feinholz MLML/QSS/Hawaii Steve Juarez Hawaiian Rafting Adv Rob Wheelhouse Hawaiian Rafting Adv Mark Yarbrough MLML/QSS/Hawaii PURPOSE OF EXPEDITION: Determine reason for loss of data stream from the top MOBY arm. Perform MOBY diver cals. EXPEDITION SUMMARY: Total loss of top MOBY arm confirmed. Dirty MOBY cals performed, instrument bay door closed, and rocker stoppers replaced on 2 Jun 98. Clean MOBY cals conducted, Lu antifoulant heads reloaded, and CIMEL cleaning/reconfiguration performed on 3 Jun 98. The Es calibration lamp was successfully used for the first time and the Seimac Argos was replaced due to a failing battery. Inspection of the tether bending strain relief system revealed a separation of most of the urethane boot from the metal attachment. Will return to repair.