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  Schedule Information  
Ship: Atlantis Schedule Status: Final Schedule ID: 14259
Schedule Year: 2020 Schedule Name: Version 11
Notes: 5/13: Arrived WA 1 day later
4/17: Transiting Panama Canal 4/25
4/16: 2 day delay in sailing, was 14th, now 16th.
3/31: Arrived 3/22 1 day earlier than planned & departure to dry dock moved up 2 mo.s, from June 6th to April 14th.
3/16: Cancelled EXPORTS cruise (-52 days) d/t Corona Virus, deadhead (-3 days) now a non op as opposed to NASA funding it. Late arrival at WHOI d/t engine issues in Marehead City, NC. 129 days for 2020, now 74.
2/27: Drydock Anacortes WA
2/27: Keeping Alvin eng dive funding the same (NOT adding 2 day wx delay to BIO).
2/25: 9 ONR deadhead transit days to DD switched to Non-Op
2/13: 2 day departure delay d/t fog. Alvin Eng. dives cancelled to make up the difference. 2 days added to NSF-OCE-BIO from cancelled eng dives.
2/5: 1 day early arrival into Gulfport d/t efficient science ops
1/23: Remove the Port Everglades port call from Young (it will be a RIB personnel transfer)
1/14: Add 1 day to McClain for transit. Shift schedule to the right 1 day. Day count for the year goes from 139 to 138 (d/t 2 day typo in McClain Ops day count from Ver 2) ***Keep the pit stop for Young on March 4th.
1/10/20: OP days were changed from 12 to 10 for McClain funding d/t to typo.
1/6: Vsl arrives Balboa 1 day early d/t good wx/ transit
1/2/2020: Added Port Everglades for AT42-22 science party swap & agreed to reduce the demobe from 2 to 1 day to cover pitstop
-19 days Valentine/ Alvin & Sentry (Can't go before April)
  Cruise Information  
Ship Request Information
Operator Cruise ID: AT42-23
Chief Scientist: Craig R. McClain, Louisiana
Activity Type: At Sea for Science
Created By: Kerry Strom
Compare Request:
Project Short Title: Woodfall
Requested Year: 2020
Requested Ship: Atlantis  
Request Type: Primary  
Created By: Clifton C. Nunnally  
Load Non-charge Days: 0
Load Charge Days: 4   Load Date: 2/9/2020
Activity Days: 6 Adjustment Days Start Date: 2/13/2020
Transit Days: 2 0 End Date: 2/20/2020
Unload Charge Days: 1   Unload Date: 2/21/2020
Unload Non-charge Days: 0
Mob Days: 2  
Science Days: 6 Optimum Start Date: 2/11/2020
Transit Estimate: 2 Earliest Start Date: 2/9/2020
Demob Days: 1 Latest Start Date: 2/11/2020
Repeating Cruise: No Dates To Avoid: May 7-10
Number of Repeating Cruises: 0 Repeating Interval:
Repeating Cruise Comments: NA
Justification/Comments: NA
PI   Project/Purpose   Agency   Funding Status   Op Days
Craig R. McClain, Louisiana   Woodfall   NSF/OCE/BIO   Funded   11
W. Bruce Strickrott, WHOI   Engineering Dives   NSF/OCE/IPS   Funded   1
W. Bruce Strickrott, WHOI   Engineering Dives   NAVY/ONR   Funded   1
  Alvin   OTHER   Funded   0
  Start Port: Gulfport, MS, USA
  End Port: Gulfport, MS, USA
Requested Start Port: Gulfport, MS, USA
Intermediate Port(s): None
Requested End Port: Gulfport, MS, USA
Port Comments: NA
  Lat/Long Marsden Grid Navy Op Area
Beginning
27.3° N / 88.9° W map
81 map
NA09 map
Ending
28.8° N / 87.8° W map
81 map
NA09 map
  Show Degrees Minutes    
 
Op Area Description: GoM
  Lat/Long Marsden Grid Navy Op Area
Beginning
27.312393° N / 88.926911° W map
81 map
NA09 map
Ending
28.813303° N / 87.820067° W map
81 map
NA09 map
  Show Degrees Minutes    
 
Op Area Description: Gulf of Mexico
Coastal States Requiring Clearance: US EEZ(T)
Foreign Clearance Required: No
US EEZ
Foreign Clearance Comments: NA
Ancil Facilities:
Instrumentation Requested: Dynamic Positioning
Stern A-frame
Other Operator Provided Inst. - Describe
Instrumentation Comments: We will need an elevator capable of transporting wood packets collected on sea floor to the surface. Three previous cruises for this project used a work basket lowered to the sea floor on a winch cable. The basket was unhooked from the cable for work on the bottom and reconnected for recovery at the end of the dive. We have an available basket if this type of operation is deemed necessary. The basket is rectangular in shape with an A-frame frame pick point and 2 independent doors on either side of a-frame. Total length is 1.96 meters, width of basket is 1.33 meters and height of basket enclosure is 0.96 meters. Maximum height at pick point is 1.85 meters. The basket lids on either side of the a-frame swivel on dual hinges and open fully to touch the a-frame where they are held in place by attached magnetic strips. Each lid has a width of 1.25 meters and a depth of 0.765 meters.
Ancil Facilities Requested: Alvin
Cold Lab Van
Ancil Facility Comments: NA
External Cruise Webpage:
Cruise Notes: 2/27: Keeping Alvin eng dive funding the same (NOT adding 2 day wx delay to BIO).
2/13: 2 day departure delay d/t fog. Alvin Eng. dives cancelled to make up the difference.