Woods Hole Oceanographic Institution

Cruise Planning Synopsis

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AR23-01 Deep Water Hydro


RV Neil Armstrong

Cruise Party

Lloyd Keigwin: Chief Scientist, Principal Investigator
Woods Hole Oceanographic Institution McLean 207A, MS#08 Woods Hole, Ma. USA 02543
+1 508 289 2784

Departure: Sep 11, 2017


Arrival: Oct 2, 2017

Ponta Delgada

Operations Area

Mud patch, NE Seamounts, Sohm Abyssal Plain, abyssal hills near Corner Rise, western flank of MAR
Depth Range: min / max (m)
Will the vessel be operating within 200 NM of a foreign country? n/a
Are visas or special travel documents required? no

Science Objectives

Survey and take long (20 m) cores as well as shorter ones from about 15 deep water (>3500m) locations between WH and Azores

Science Activities

piston, gravity, and multicoring; hydrocasting; seafloor surveying (multibeam, 3.5 kHz)

Additional Info

Pre-cruise Planning Meeting: Teleconference


  Distance: 100
  Days: 0.25
  Latitude: 40° 30.0’ N
  Longitude: 70° 45.0’ W

  Atlantis II Seamount
  Distance: null
  Days: 0.5
  Latitude: 38° 18.643’ N
  Longitude: 63° 0.353’ W

  Sohm A.P. sed drift
  Distance: null
  Days: 0.5
  Latitude: 36° 18.0’ N
  Longitude: 57° 0.0’ W

  Abyssal Hills site(s)
  Distance: null
  Days: 2
  Latitude: 37° 0.0’ N
  Longitude: 48° 30.0’ W

  Gilliss Smt.
  Distance: null
  Days: 0.5
  Latitude: 35° 40.0’ N
  Longitude: 58° 41.0’ W

Supporting documentation:


Funding Agency: NSF
Grant or contract number: OCE-1558307

Scientific Instrumentation for R/V Armstrong

Other Science Vans:

Shipboard Equipment

Bathymetry System 3.5 kHz
Dynamic Positioning System
Shipboard Equipment Notes: Is there a 3.5kHz pinger available for wire use?

Shipboard Communication

Basic Internet access via HiSeasNet

CTD/Water Sampling

911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors

Critical CTD Sensors

Sediment Sampling

Piston corers
Gravity corers
Storage Notes:


Will you be using Long Base Line (LBL) navigation? no
How many nets? null
How many tansponders? null
Will you be using Ultra-short baseline (USBL) navigation?no
Navigation Notes:
Winch Notes:

Wire use and application

3/8" Hydro Wire
Winch Notes: new synthetic rope for piston coring

Standard Oceanographic Cables

Slip ring required? no
Non-standard wire required? no
Traction winch required? no
Science Van 1
Type/size: 20' van for core logger to be provided by OSU Location:
Water: Power:

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: no Identify: 
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?noDescribe deployment method and quantity:

Radioactive Material


Additional Information

Is night time work anticipated on this cruise?noSpecialized tech support (Seabeam, coring, other):
core logger may come with Cs source for gamma ray attenuationOther required equipment and special needs:

Checklist & Notes


U.S. Customs Form: no
Diplomatic Clearance: no
Date Submitted:
Date Approved:
Agent Information:
Isotope Use Approval: no
Isotope Notes:
SCUBA Diving: no


SSSG Tech:
Mark Behn who will be collecting data on the transit has requested to load gear before cruise departs, towed magnatometer and backup will also be loaded.