DIARY OF OPERATIONS

• 04/03/1996 Departure of Italian Team with three members of R/V Gelendzhik surveyor team from Bologna (Italy).

• 05/03/1996 14.00 Arrive at Durban Airport, 15.00 on board of R/V Gelendzhik.

• 06/03/1996 Gravimeter calibration

• 07/03/1996 Bunkering, provisions and gravimeter calibration. 19.00 Departure from Durban for operation area.

• 08-14/03/96 Transit to operation area. Check and control of instrumentation. Hardware and software upgrade of computer center.

• 14/03/1996 17:20 Start of multibeam line 0001. Sound velocity profile calculated from Levitus database. Bad sea state. 19:40 Italian and russian magnetometers on. 22:40 Very bad sea state. Acquisition problems on Italian magnetometers. Probable cable disconnection.

• 15/03/1996 Reached planned point 1 (51 31.8'S, 5 25.18'E). Italian 1st magnetometer recovered. 2nd lost. Repair and start of sigle magnetometer survey (offset 330 m from GPS antenna). Magnetometer, gravimeter and multibeam profiling.

• 16/03/1996 Magnetometer, gravimeter and multibeam profiling. Sound velocity profiles SVP1, SVP2. 19:00 Icebergs (54 57'S 12 76'W).

• 17/03/1996 07:40 Magnetometer, gravimeter and multibeam profiling. Italian magnetometer offset 365 m from GPS Antenna 20:52 Sound velocity profile SVP3.

• 18/03/1996 Dredge G96-01 Magnetometer, gravimeter and multibeam profiling. Dredge G96-02.

• 19/03/1996 Dredge G96-03 09:11 Magnetometer, gravimeter and multibeam profiling.

• 20/03/1996 Magnetometer, gravimeter and multibeam profiling. Very disturbed acquisition.

• 21/03/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 22/03/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions. Dredge G96-04.

• 23/03/1996 Dredge G96-05. Magnetometer, gravimeter and multibeam profiling.

• 24/03/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 25/03/1996 From 3.00 to 22.52 stand by meteo. Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 26/03/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions. Dredge G96-06 Dredge G96-07. Dredge lost.

• 27/03/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 28/03/1996 Magnetometer, gravimeter and multibeam profiling. Sound velocity profile SVP4.

• 29/03/1996 Start of Shona SMT survey. Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 30/03/1996 Magnetometer, gravimeter and multibeam profiling. Strong wind. Dredge G96-08. Heat Flow 01. Dredge G96-09. Sound velocity SVP5.

• 31/03/1996 Start of MAR survey. Magnetometer, gravimeter and multibeam profiling. Bad weather conditions. Heat Flow 02.

• 01/04/1996 Start of Spiess survey. Magnetometer, gravimeter and multibeam profiling. Bad weather conditions. Heat Flow 03.

• 02-03/04/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather conditions.

• 04-08/04/1996 Start of Bouvet F.Z. survey. Magnetometer, gravimeter and multibeam profiling.

• 09/04/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather condition.

• 10/04/1996 Magnetometer, gravimeter and multibeam profiling. Bad weather condition 17:18 Multibeam Stand by Meteo, 55 11,57'S 0 16,06'W. Italian magnetometer OK.

• 11/04/1996 18:21 End of Stand by Meteo. Magnetometer, gravimeter and multibeam profiling. Bad weather condition.

• 12/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredge G96-10. Heat Flow 04.

• 13/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredges G96-11, 12, 13, 14, 15, 16.

• 14/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredges G96-17,18. Sound Velocity station SVP6.

• 15 -16/04/1996 Magnetometer, gravimeter and multibeam profiling.

• 17/04/1996 Magnetometer, gravimeter and multibeam profiling. Heat Flow 05. Dredges G96-19, 20, 21.

• 18/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredges G96-22, 23. 17:33 Multibeam Stand by Meteo.

• 19/04/1996 Stand by Meteo, sea state 12.

• 20/04/1996 18:34 End of Stand by Meteo. Magnetometer, gravimeter and multibeam profiling. Bad weather condition.

• 21/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredge G96-24.

• 22/04/1996 Magnetometer, gravimeter and multibeam profiling. Dredge G96-25, 26.

• 23/04/1996 Magnetometer, gravimeter and multibeam profiling. Big iceberg detected on radar. 05:47 End of survey (52 33,90'S 3 00'W). 08.30 Transit to Abidjan

• 24/04- 01/05/1996 Transit to Abidjan. Magnetometer and multibeam profiling.

• 04/05/1996 Bunker Port Gentil.

• 08/05/1996 Arrive in Abidjan.

• 09/05/1996 Gravimeter calibration.

• 10/05/1996 End Cruise.