The data below is included for archival purposes. 

The most current data that we have is available via our new searchable
database of ships at:
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Justo Sierra Vessel Data


Vessel and Contact Information

Justo Sierra (Mexico)

Call Sign:
US NODC Code: 57AC
Owner: Universidad Nacional Autonoma De Mexico-Unam
Operator: Instituto De Ciencias Del Mary Y Limnologia
Contact: Mr. D. A.Ker Elizondo,Ocean Operations
Circuit Exterior Ciudad Universitaria
APDO. POSTAL 70-305
Mexico , D.F. 04510 Mexico
Telephone No.: 525 6225777
Cable address:
Telefax No.: 6225809
Email:
Year built: 82

Main vessel activity

Oceanography Fisheries Geology
Ocean area where vessel operates: Mexico Gulf; Caribbean Sea

Main dimensions

Length OA: 49.99m
Breadth: 10.30m
Freeboard to working deck: 0.5m
Max. draft: 4.70m

Capacities and working spaces

Gross tonnage: 780GRT
Dry cargo holds: 0m3
Fuel: 200m3
Fresh water: 42m3
Wet laboratories (total area): 25m2
Dry laboratories (total area): 20m2
Fresh water generator capacity: 8m3
Free working deck area: 40m2
Space for container laboratory: 3m x 6m

Range, speed and endurance

Range: 10000n. mi.
Cruising speed: 12.0kts.
Max. speed: 12.5kts.
Endurance: 30days

Accommodation

Officers: 6
Other crew: 9
Scientists: 21
Airconditioned: yes

Design Particulars

Hull materials:

Steel

Energy sources

Main engine(s): number: 1 make: Diesel model:
Power (BHP) each main engine: 1680at 800rpm
Diameter and max. rpm propeller: 2.600m 246rpm
Total power auxiliary diesels: 360HP
Electrical systems
AC Voltage: 0 / 440V, total 225kVA, 3phase, 60Hz
AC Voltage: / 440V, total 225kVA, 3phase, 60Hz
DC Voltage: 0V, total 0V
Stabilized system for scientific equipment: 115VAC 722AMP 60Hz

Fixed equipment

Navigation and communication

Nav. equip: Radar Loran SatNav Gyro DopLog
Comms: Fax
Comm sat:
GPS:

Acoustic

Echosounders for scientific research: 38kHz 120kHz
Sonar: Fisheries
Provisions for silent ship operation:

Oceanographic

Oceanographic winches: number: 3
Steel wire length: 2000m, safe working load: 0tons
Conducting cable length: 5000m, safe working load: 0tons
Other, specify: length: 0m safe working load: 0tons
Winch for bottom sampling, wire length: 5000m, safe working load: 8tons
Gantry
Position: Stern
Clearance above deck: 0m and outboard extension: 0m
Safe working load at max. reach: 8tons
Crane
Position: Stern
Clearance above deck: 8m and outboard extension: 8m
Safe working load at max. reach: 0tons
Other winches for instruments or sampling:

Electronic data processing equipment permanently available on board

Computer: DIGITAL: VARIOUS:

Vessel construction and maintenance supervision


Construction supervised by:

Classification Society: LLOYD'S
Others, specify:

Published vessel data

Magazine: Booklet In Boxfile

OCEANIC - Ships Schedules & Information Pages
University of Delaware, College of Marine Studies
Lewes, Delaware  19958
Phone:  (302) 645-4225
Email:  ships@researchvessels.org