Woods Hole Oceanographic Institution

Cruise Planning Questionnaire

Equatorial hydrophones


R/V Knorr


Cruise Party

Robert Dziak: Principal Investigator
Organization Name
+1 541 867 0175

Deborah Smith: Chief Scientist
Woods Hole Oceanographic Institution Clark 243B, MS#22 Woods Hole, Ma. USA 02543
+1 508 289 2472

Departure: Cape Verde Islands on Nov 9, 2012

Arrival: Barbados on Nov 24, 2012

Mobilization Date: Nov 8, 2012

Demobilization Date: Nov 25, 2012

Supporting documentation:

Operations Area: Equatorial Atlantic

Lat/Lon: 5° 0.0′ N / 30° 0.0′ W

Depth Range: 2000 / 4000

Will the vessel be operating within 200 NM of a foreign country? Brazil
Are visas or special travel documents required? no

Science objectives

Record seismicity of the Equatorial Mid-Atlantic Ridge

Science Activities

Deploy 3 hydrophones in the Equatorial Atlantic and collect swath bathymetry over the Mid-Atlantic Ridge between deployments

Pre-cruise planning meeting: Teleconference/Visit WHOI


  AUH 3
  Distance: 900
  Days: 0.3
  Latitude: 7° N
  Longitude: 42° W

  AUH 2
  Distance: 835
  Days: 0.3
  Latitude: 2° S
  Longitude: 30° W

  AUH 1
  Distance: 715
  Days: 0.3
  Latitude: 11° N
  Longitude: -35° W

Funding Agency: NSF #86216500

- added NSF #86216500 on Jan 3, 2012 3:33 PM by Deborah K. Smith

R/V Knorr

Shipboard Equipment


Shipboard Communication

Basic Internet access via HiSeasNet

Critical CTD Sensors: 

Storage Notes:


Will you be using Long Base Line (LBL) navigation? no

Will you be using Doppler/GPS navigation? no



Navigation Notes:


Trawl Winch with .680 Coax

Winch Notes:

Wire use and application

Trawl Winch with .680 Coax

Wire Notes: Complete mooring weight in air is 1110 Kg. In water the weight is 210 Kg. This includes the hydrophone, float, anchor, wire, rope, chain, shackles. Maximum water depth should be near 5500 m.
Slip ring required? no Number of conductors: 
Non-standard wire required? no Type: 
Traction winch required? no Describe: 

Other Science Vans:

Specialized Deck Equipment

Mooring Deployment/Recovery Equipment Required: no Type: 
Cruise Specific Science Winch Required: no Type: 
Nets Required: no Type: 

Over the Side Equipment

Will you be bringing any equipment (winches, blocks, etc.) that lowers instruments over the side? no

Special Requirements

Elecrical Power: no Identify: 
Equipment Handling: no Identify: 
Inter/intraship Communications: no Identify: 
Science Stowage: yes Identify: 3 hydrophone moorings on deck.
Water: no Identify: 

Additional Cruise Items/Activities

Explosive Devices: no
Portable Air Compressors: no
Flammable Gases: no
Small Boat Operations: no
SCUBA Diving Operations: no

Hazardous Material

Will hazardous material be utilized? no

Radioactive Material

Radioiosotopes: no

Additional Information

Is night time work anticipated on this cruise? yes

Specialized tech support (Seabeam, coring, other): multibeam mapping

Other required equipment and special needs: 
Date Submitted: Jan 4, 2012 4:46 PM by Deborah K. Smith