R/V Hero Cruise List

The following list gives the dates, areas of operation, senior scientist(s), and major research objectives of each Hero cruise, August 1968 to May 1975. Where available, I've linked to Antarctic Journal cruise reports and other information elsewhere on my website.

Shakedown. August 6 to 26, 1968. Boston to Labrador Sea, Baffin Bay, Newfoundland, and return. John H. Dearborn (University of Maine). Invertebrate zoology.

Southward passage. August 27 to September 4, 1968. Boston to Woods Hole, Massachusetts, and Washington, D.C. Official and public inspection at Washington, September 4 to 10. Southward passage. September 10 to 15, 1968. Washington, D.C., to Miami, Florida. Miles S. Alton (U.S. Bureau of Commercial Fisheries): biological trawling. Outfitting at Miami, September 15 to October 23 (cruise report).

Southward passage. October 23 to November 11, 1968. Miami, Florida, to Valparaiso, Chile.

Cruise 68-1. November 12 to December 11, 1968. Valparaiso to Punta Arenas, Chile. Kenneth S. Norris (University of California at Los Angeles) and Anelio Aguayo (Estación de Biologia Marina, Montemar, Chile): distribution and variation of marine mammals.

Cruise 69-1. December 19, 1968, to March 5, 1969. Punta Arenas, Chile, to Antarctic Peninsula waters, Bransfield Strait, Deception Island, and return to Punta Arenas. Numerous science parties and logistics assignments (cruise report).

Cruise 69-2. March 25 to May 21, 1969. Patagonia to Drake Passage and Strait of Magellan. H.A. Fehlmann (Smithsonian Institution) and Miles S. Alton (Bureau of Commercial Fisheries): midwater trawling.

Cruise 69-3. June 15 to August 7, 1969. Punta Arenas to coasts of Argentina and Uruguay and return. Raymond M. Gilmore (San Diego Natural History Museum): population, distribution, and behavior of whales. Norberto Bellisio (Museo Nacional, Buenos Aires): ichthyology.

Yard overhaul. August 7 to September 18, 1969. Talcahuano, Chile. Installation of enclosed conning station and other work.

Cruise 69-4. September 18 to October 10, 1969. Chilean archipelago from Puerto Montt to Punta Arenas. Henry A. Imshaug (Michigan State University): terrestrial plants. Wladimir Hermosilla and René Covarrubias (University of Chile, Santiago): soil invertebrates.

Cruise 69-5. October 18 to November 5, 1969. Chilean archipelago, Punta Arenas to 50ºS and return. Roger L. Kaesler (University of Kansas) and Richard H. Benson (Smithsonian Institution): biogeography and systematics of benthic ostracods. Steven B. Young (Ohio State University): vascular plants. José R. Stuardo and Victor Gallardo (University of Concepción): intertidal organisms, macro-infauna.

Cruise 69-6. November 15 to December 21, 1969. Punta Arenas to Chilean archipelago, 50º-55ºS., and return. Martin Halpern (University of Texas), Raúl Cortés (Empresa Nacional del Petroleo, Chile), Ian W. D. Dalziel (Columbia University), Estanislao Godoy (University of Chile, Santiago), and Jorge Parra: geological and geophysical reconnaissance.

Cruise 70-1. January 9 to February 17, 1970. Punta Arenas to Palmer Station, Antarctic Peninsula area, South Shetland Islands, and return. Numerous science parties and logistics assignments.

Cruise 70-2. March 4 to April 30, 1970. Punta Arenas to South Shetland Islands, Neumayer Channel, Strait of Magellan, Dawson Island, and return. H. Adair Fehlmann (Smithsonian Institution) and Miles S. Alton (Bureau of Commercial Fisheries): trawling for natural history specimens.

Cruise 70-3. May 15 to July 6, 1970. Punta Arenas to southwestern and central coasts of Chile, to Juan Fernandez and San Felix-San Ambrosio Islands, to Valparaiso, to Talcahuano, Chile. Raymond M. Gilmore and Joseph R. Jehl Jr. (San Diego Natural History Museum), William C. Cummings and Paul O. Thompson (Naval Undersea Research and Development Center, San Diego), Anelio Aguayo-Lobo (University of Chile, Santiago): marine mammal and bird observations.

Cruise 70-4. July 9 to September 5, 1970. Chilean archipelago, Talcahuano to Punta Arenas. Harold T. Hammel (University of California at San Diego), Fred T. Caldwell (University of Arkansas), Frits W. Went (University of Nevada), Oscar Parra (University of Concepción), and Edmundo Pisano and Brent Markham (Instituto de la Patagonia, Chile): reversible freezing in plant tissue.

Yard overhaul. September-November 1970. Talcahuano, Chile.

Cruise 71-1. December 17, 1970, to March 31, 1971. Punta Arenas to Antarctic Peninsula area, South Shetland Islands, South Orkney Islands, and return. Numerous science parties and logistics assignments, including international volcanology expedition to Deception Island.

Cruise 71-2. April 19 to May 30, 1971. Punta Arenas to Isla de los Estados, Tierra del Fuego, and return. Oliver S. Flint (Smithsonian Institution) and Richard A. Ronderos (University of La Plata, Argentina): survey of vertebrate, arthropod, and marine biotas.

Cruise 71-3. June 11 to July 16, 1971. Punta Arenas to Argentine coast and return. William C. Cummings (Naval Undersea Research and Development Center) and Joseph R. Jehl, Jr. (San Diego Natural History Museum): bioacoustics of marine mammals, distribution and ecology of marine birds.

Cruise 71-4. August 3 to 29, 1971. Punta Arenas to Buenos Aires via Isla de los Estados. Haydee Lena and Sara Souto (Ciudad Universitaria, Nuñez, Argentina): sampling for plankton, bottom life, fishes, and bacteria.

Yard overhaul. September 1971. Buenos Aires.

Cruise 71-5. October 11 to November 14, 1971. Punta Arenas to Isla de los Estados and return. Henry A. Imshaug (Michigan State University): survey of terrestrial plants.

Cruise 72-1. Late November 1971 to early April 1972. Punta Arenas to Palmer Station, with sorties to he South Shetlands and elsewhere, and return. Numerous science teams and logistics assignments.

Cruise 72-2. April 25 to June 1, 1972. Punta Arenas to Isla de los Estados, to Tierra del Fuego, and to Rio Gallegos, Argentina. Ian W. D. Dalziel (Columbia University), Roberto Caminos and Francisco Nollo (Dirección Nacional de Geologia y Minieria, Buenos Aires), and Riccardo Cassanova (Universidad de Buenos Aires): structural geology.

Yard overhaul. June and July 1972. Buenos Aires.

Cruise 72-3a. July 17-25, 1972. Buenos Aires to coastal Uruguayan waters and return. Robert G. Brownell, Jr. (Smithsonian Institution) and José Olazarri and Federico Achaval (Museo Nacional de Historia Natural de Montevideo): marine mammal and bird observations and trawling (cruise report).

Cruise 72-3b. July 26 to August 30, 1972. Buenos Aires to Punta Arenas. Joseph R. Jehl, Jr. (San Diego Natural History Museum) and Maurice Rumboll (Museo Argentina de Ciencias Naturales, Buenos Aires): winter populations of marine birds. William C. Cummings (Naval Undersea Research and Development Center): behavior and bioacoustics of marine mammals (cruise report).

Cruise 72-4. September 10 to October 13, 1972. Punta Arenas to southern Chilean archipelago and return. Lisandro Chuecas and Hugo Saelzer R. (Universidad de Concepción, Chile): biological studies of the fjord region. Robert W. Risebrough (University of California): pollutants in the peregrine falcon (cruise report).

Cruise 72-5. October 26 to November 30, 1972. Punta Arenas through Chilean archipelago north to 43ºS. and return. Paul K. Dayton (University of California at San Diego): kelp communities. hard B. Searles (Duke University): benthic marine algae (cruise report).

Cruise 73-1. December 12, 1972, to April 8, 1973. Punta Arenas to South Shetland Islands, Palmer Station, to Ushuaia, Argentina, plus second round trip, Ushuaia to Palmer. Numerous science parties and logistics assignments. (part 1 cruise report). Oh...during Hero's visit to Port Foster (Deception Island) in December 1972, it encountered Jacques Cousteau's ship RV Calypso which was doing filming. Oh, the Calypso's first mate was fatally injured...when the body was brought aboard Hero for inspection, Captain Pieter Lenie uttered the words "Injured? Hell, this man is dead!" More of that story.

Cruise 73-2. May 3 to 25, 1973. Ushuaia to Isla de los Estados, Tierra del Fuego, Beagle Channel, north to Puerto Montt, Chile, and return to Ushuaia. Paul K. Dayton (University of California, San Diego): kelp communities. Richard B. Searles (Luke University): seaweeds.

Yard overhaul. May to November 1973. Buenos Aires.

Cruise 74-1. November 12 to 29, 1973. Ushuaia to South Shetlands, Palmer Station, and return. Numerous science teams and logistics assignments.

Cruise 74-2. December 4 to 17, 1973. Ushuaia to South Shetlands, Palmer Station, and return. Numerous science teams and logistics assignments.

Cruise 74-3. December 25, 1973, to February 20, 1974. Ushuaia to South Shetlands, Antarctic Peninsula area, and return. Numerous science teams and logistics assignments.

Cruise 74-4. February 24 to March 30, 1974. Ushuaia to Drake Passage and return. Escort deep sea drilling ship Glomar Challenger during drilling operations.

Cruise 74-5. April 8 to 18, 1974. Ushuaia to Palmer Station, Deception Island, and return. Logistics only.

Cruise 74-6. May 4 to June 6, 1974. Ushuaia to Puerto Williams, Navarino Island, Washington Channel, and return. R. H. Dott (University of Wisconsin): structural geology.

Northward passage. June 13 to July 18, 1974. Ushuaia to Long Beach, California.

Yard overhaul. July 18 to November 14, 1974. Long Beach, California.

Southward passage. November 14, 1974, to January 3, 1975. Long Beach to Ushuaia via Manzanillo, Mexico.

Cruise 75-1a. January 3 to March 11, 1975. Ushuaia to Palmer Station, other Antarctic Peninsula areas, and return. Numerous science teams and logistics assignments.

scientists landing on Deception Island
An undated (pre-1976) photo of scientists debarking from a Hero shoreboat (perhaps the Heroine) at Deception Island. Photo by William Curtsinger appearing in the May/June 1975 Antarctic Journal.

Cruise 75-1b. March 15 to 26, 1975. Ushuaia to Palmer Station, Almirante Brown Station, and return. Logistics cruise.

Cruise 75-1c. April 12 to 21, 1975. Ushuaia to Palmer Station and Argentine Islands Station and return. Logistics only.

Cruise 75-2. Cancelled.

Cruise 75-3. May 13 to 26, 1975. Ushuaia to Argentine Basin and return. Frederick Siegel (George Washington University): sediment sampling.

Cruise 75-4. 14 June to 14 July 1975. Punta Arenas to Puerto Montt, Chile. via Chilean Archipelago. I.W.D. Dalziel (Columbia University): marine geology.

Cruise 75-5. 11 September to 6 October 1975. Ushuaia and return via southwest Atlantic Ocean. Robert L. Brownell, Jr. (Smithsonian Institution): marine biology.

Cruise 75-6. 8 October to 13 November 1975. Ushuaia and return via Gerlache Strait. Deception and Livingston Islands. D.B. Siniff (University of Minnesota): biota of pack ice.

Cruise 76-1A. 24 November to S December 1975. Ushuaia to Palmer Station and return. Transport of personnel and supplies.

Cruise 76-1B. 9 December 1975 to II January 1976. Ushuaia and return via Antarctic Peninsula. I.W.D. Dalziel (Columbia University): tectonics.

Cruise 76-IC. 18 January to 7 February 1976. Ushuaia to Palmer Station via Adelaide island. Marguerite Bay. Logistics. plus M.A. McWhinnie (DePaul University): biological sample collection.

Cruise 76-2. 17 February to 18 March 1976. Ushuaia to Palmer Station and return. Logistics and science support.

Cruise 76-3. 31 March to 16 April 1976. Strait of Magellan. Richard C. Swartz (Environmental Protection Agency): Metula oil spill contamination.

Cruise 76-4. 22 June to 6 July 1976. Ushuaia to Puerto Montt via southern Chilean Archipelago. Frederic R. Siegel (George Washington University): sediment sampling.

Cruise 76-5. 8 July to 4 August 1976. Puerto Montt to Talcahuano. Chile. via Antarctic Peninsula, Scotia Arc, southern Andes extension. Randall Forsythe (Columbia University): tectonics.

Cruise 76-6. 4 October to 5 November 1976. Ushuaia and return via Antarctic Peninsula and Gerlache Strait. Donald B. Siniff (University of Minnesota): biota of pack ice.

Cruise 77-1A. 26 November to 7 December 1976. Ushuaia to Palmer Station and return via King George Island. Logistics and science party placement.

Cruise 77-1B. Cancelled for repairs at Puerto Belgrano. Argentina.

Cruise 77-1C. 5 January to 10 February 1977. Puerto Belgrano to Ushuaia via South Orkney islands. I.W.D. Dalziel (Columbia University): geology.

Cruise 77-ID. 14 February to 13 March 1977. Ushuaia to Palmer Station and return. Science project support in Antarctic Peninsula area.

Cruise 77-2. 21 March to 21 April 1977. Ushuaia to South Georgia and return. Gerald Kooyman and Frank Todd (Scripps institution of Oceanography and Sea World): bird and seal studies.

Cruise 77-3. 17 May to 17 June 1977. Ushuaia to Navarino Island and return. lan Ridley (Lamont-Doherty Geophysical Observatory): tectonics. Cruise 77-4. 1 July to I August 1977. Ushuaia to Talcahuano. Chile. via Chilean canals and Puerto Williams. I .W. D. Dalziel (Columbia University): geology.

Cruise 77-5. 22 October to 20 November 1977. Ushuaia to Antarctic Peninsula and return. D.B. Siniff (University of Minnesota): biology of seals.

Cruise 78-1. 28 November to 15 December 1978. Ushuaia and return via Palmer Station. Transport personnel and supplies; collected krill.

Cruise 78-1A. 22 December 1977 to 18 January 1978. Ushuaia and return via Palmer Station and along the Antarctic Peninsula. David F. Parmelee (University of Minnesota). Krill studies, adaptations of birds, deployed expendable bathythermographs.

Cruise 78-1B. 25 January to 28 February 1978, Ushuaia and return via Palmer Station and along the Antarctic Peninsula. David Elliot (Institute of Polar Studies, Ohio State University). Geologic and paleomagnetic investigations; collected krill.

Cruise 78-1C. 13 March to 7 April 1978. Ushuaia and return via Palmer Station. Mary Alice McWhinnie (DePaul University). Biological investigations of krill; ecological and behavioral adaptations of birds.

Cruise 78-2. 2 May to 27 June 1978. Ushuaia and return via Cordillera Darwin and Punta Arenas, Chile. Ian W. D. Dalziel (Lamont-Doherty Geological Observatory). Structural geology of the southern Andes Mountains.

Cruise 78-3. 9 July to 28 July 1978. Ushuaia to Puerto Beigrano, Argentina, along the Argentine coast. William Zinsmeister (Institute of Polar Studies, Ohio State University). Cenozoic biostratigraphy of Argentine southern coast; nitrogen dioxide investigation in the Southern Hemisphere.

Cruise 78-4. 24 October to 23 November 1978. Ushuaia and return along the Antarctic Peninsula. Donald B. Siniff (University of Minnesota). The role of leopard seals in the marine ecosystem.

Cruise 79-1. 2 December to 27 December 1978. Ushuaia to Montevideo, Uruguay, via Palmer Station. Transport personnel and supplies; collected krill.

Cruise 79-2. 5 January to 15 February 1979. Montevideo, Uruguay, to Ushuaia via Palmer Station. Mary Alice McWhinnie (DePaul University). Ornithological studies; marine biology.

Cruise 79-3. 25 February to 6 April 1979. Ushuaia and return via Palmer Station and the Weddell Sea. Stephen Ackley, (Cold Regions Research and Engineering Laboratory). Krill collected; buoys deployed for sea ice study.

Cruise 79-4A. 3 May to 29 May 1979. Punta Arenas, Chile, and return via Canal Sarmiento and the Chilean fiords. Richardson B. Allen (Lamont-Doherty Geological Observatory). Geology of the Sarmiento Complex, southern Chile.

Cruise 79-4B. 5 June to 25 June 1979. Punta Arenas, Chile, and return via Chilean fiords. Richardson B. Allen (Lamont-Doherty Geological Observatory). Geology of the Sarmiento Complex.

Cruise 79-5. 2 July to 1 August 1979. Punta Arenas, Chile, to Puerto Montt, Chile. Ian W. D. Dalziel (Lamont-Doherty Geological Observatory). Geology of the Chilean fiords.

Cruise 79-6. 4 October to 17 October 1979. Punta Arenas, Chile, and return via Southern Chile.

Cruise 79-6. 4 October to 17 October 1979. Punta Arenas, Chile, and return via the Patagonian Cordillera. Manuel Suarez (Instituto Investigaciones Geologicas de Chile). Geologic history and local structural geology.

Cruise 79-7. 6 November to 23 November 1979. Ushuaia and return along the Antarctic Peninsula. Donald B. Siniff (University of Minnesota). Leopard seal study-diurnal activity patterns and social behavior (photos, information, and link to cruise report).

Cruise 80-1. 23 January to 7 February 1980. Ushuaia and return via the South Shetland Islands. David Elliot (Institute of Polar Studies, Ohio State University). Evolution of the Antarctic Cordillera through examination of sedimentary and volcanic sequences investigation of metallic mineralization in the northern Antarctic Peninsula region.

Cruise 80-2. 11 February to 28 February 1980. Ushuaia and return via the South Shetland Islands. David Elliot (Institute of Polar Studies, Ohio State University). Evolution of the Antarctic Cordillera through examination of sedimentary and volcanic sequences; collected krill in Bellingshausen Sea; investigation of metallic mineralization in the northern Antarctic Peninsula region (cruise report).

Cruise 80-3. 6 March to 17 March 1980. Ushuaia and return along the Antarctic Peninsula. Charlene Denys (DePaul University). Collected krill; freezing tolerance in terrestrial arthropods.

Cruise 80-4. 21 March to 5 April 1980. Ushuaia and return along the Antarctic Peninsula. Charlene Denys (DePaul University). Collection of krill.

Cruise 80-5. 16 April to 11 May 1980. Ushuaia to Callao, Peru, via Punta Arenas, Chile. David G. Ainley (Point Reyes Bird Observatory). Ornithological studies; distribution and geographic variation of the killer whale population.

Cruise 81-1. Cancelled. Hero under extended repair.

Cruise 81-2. 9 February to 6 March 1981. Ushuaia and return along the Antarctic Peninsula. John H. Dearborn (University of Maine, Orono). Ecology of asterozoan echinoderms; synthetic organic compounds in food chains; leopard seal ecology; ecology of birds (cruise report).

Cruise 81-3. 12 March to 6 April 1981. Ushuaia and return via the South Shetland Islands and the Antarctic Peninsula. Mort D. Turner (National Science Foundation). Patterns of mineralization in the South Shetland Islands and Antarctic Peninsula; freezing tolerance in terrestrial arthropods (cruise report).

Cruise 81-4. Cancelled...as reported in the Antarctic Journal cruise list...but not so! Tom DeVries was one of the principal investigators on this cruise to Peninsula Valdes on the east coast of Argentina (42º30'S) in September 1981. He sent me a bunch of photos that I have not gotten around to sharing yet, but here is the cruise report.

Cruise 81-5. 8 November to 18 November 1981. Ushuaia and return via Tierra Del Fuego region. Carlos Schroeder (Centro Austral Argentino de Investigarines Cientificas, Argentina). Marine and terrestrial biology, geology, and anthropology.

Cruise 82-1 2 December to 15 December 1981. Ushuaia and return via Palmer Station. Transport relief personnel and supplies.

Cruise 82-2. 19 December 1981 to 22 January 1982. Ushuaia and return along the Antarctic Peninsula. Robert Risebrough (Bodega Marine Laboratory). Synthetic organic compounds in the food chains; growth and metabolism of marine crustacea; krill behavior; krill egg production and larval survival; protein metabolism of organisms.

Cruise 82-3. 29 January to 26 February 1982. Ushuaia and return along the Antarctic Peninsula. Thomas L. Hopkins (University of South Florida). Growth and metabolism of marine crustacea; krill behavior; krill egg production and larval survival; protein metabolism of organisms; mesopelagic fauna.

Cruise 82-4. 5 March to 8 April 1982. Ushuaia to Punta Arenas, Chile along the Antarctic Peninsula. John H. Dearborn (University of Maine, Orono). Growth and metabolism of marine crustacea; ecology of asterozoan echinoderms.

Cruise 82-5, Leg I. 11 May to 10 June 1982. Punta Arenas, Chile, and return via the western Strait of Magellan. Eric Nelson (Colorado School of Mines) and Robert Forsyth (Lamont-Doherty Geological Observatory). Structural geology and tectonic history of the far southern Andes Mountains (82-5 and 83-5 cruise report).

Cruise 82-5, Leg II. Cancelled.

Cruise 82-6. Cancelled. Hero under repair.

Cruise 82-7. Cancelled. Hero under repair.

Cruise 83-1. 29 November to 14 December 1982. Punta Arenas to Palmer Station and return. Crew relief.

Cruise 83-2. 18 December to 22 February 1983. Punta Arenas to Antarctic Peninsula area and return. William Hamner (University of California). Krill behavior.

Cruise 83-3. 25 February to 20 April 1983. Punta Arenas and return via Palmer Station. Thomas L. Hopkins (University of South Florida). Mesopelagic fauna.

Cruise 83-4. 1 June to 29 June 1983. Punta Arenas, Chile, and return via Chilean Tierra del Fuego from Seno Almirantazgo to Diego Ramirez Islands. Ian Dalziel (Lamont-Doherty Geological Observatory of Columbia University). Geologic investigations of the tectonic evolution of the southernmost part of the Andean Cordillera in relation to the Scotia Arc.

Cruise 83-5. 5 July to 1 August 1983. Punta Arenas, Chile, to Puerto Montt, Chile, via the Chilean Canals. Eric Nelson (Colorado School of Mines). Structural geology, stratigraphy, and geochemistry of rock formations in the southern Chilean Andes and its relationship to the break up to Gondwana. (82-5 and 83-5 cruise report).

Cruise 83-6. 26 September to 14 October 1983. Puerto Montt, Chile, to Punta Arenas, Chile, via the Chilean Canals. Thomas DeVries (Ohio State University). Distribution of marine faunas during the Tertiary and Quaternary periods and their relationship to relative movements of South America, Antarctica, and South Africa during the break up of Gondwana.

Cruise 84-1. 24 November 1983 to 31 January 1984. Punta Arenas, Chile, to Ushuaia, Argentina, via Palmer Station and along the Antarctic Peninsula. Transport relief personnel and supplies and conduct multiple science projects. Langdon B. Quetin (University of California, Santa Barbara)--reproduction, feeding, and swimming energetics and larval physiology of krill (Eupliausia superba); Vera Komarkova (University of Colorado, Boulder)--Antarctic Peninsula plant communities near Palmer Station; William H. Hamner (University of California, Los Angeles)--behavioral ecology of krill; David F. Parmelee (University of Minnesota)--status of known age birds banded as chicks at Palmer Station in the 1970s.

Cruise 84-2. 10 February to 30 April 1984. Ushuaia, Argentina, to Punta Arenas, Chile, via Palmer Station and along the Antarctic Peninsula. Conduct multiple science projects and transport summer personnel from Palmer Station to Chile. Timothy E. Targett (Skidaway Institute of Oceanography)--growth patterns in antarctic fishes; Langdon B. Quetin (University of California, Santa Barbara)--reproduction, feeding, and swimming energetics and larval physiology of krill (Euphausia superba); Vera Komarkova (University of Colorado, Boulder)--Antarctic Peninsula plant communities near Palmer Station; William H. Hamner (University of California, Los Angeles)--behavioral ecology of krill.

Cruise 84-3. 15 May to 5 June 1984. Punta Arenas, Chile, and return via the Southern Cordillera Darwin and the Beagle Channel. Ian W. D. Daiziel (Lamont-Doherty Geophysical Observatory of Columbia University) and Manuel Suarez (Servicio Nacional de Geologia y Mineria, Chile). Collect samples for geochemical and geochronological studies aimed at understanding the evolution of the Southern Andean Cordillera (cruise report).

Cruise 84-4. 14 June to 5 July 1984. Punta Arenas, Chile, and return via the Chilean Canals. Eric Nelson (Colorado School of Mines). Structural geology, stratigraphy, and geochemistry of rock formations in the Southern Andes of Chile to develop an understanding of the tectonic development and geologic history of the Southern Andes, Scotia Arc, and Antarctic Peninsula.

Cruise 84-5. 12 July to 6 August 1984. Punta Arenas, Chile, to Puerto Montt, Chile, via the Chilean Canals. Randall D. Forsythe (Rutgers University and Lamont-Doherty Geophysical Observatory of Columbia University). Geological and geophysical reconnaissance to study Cenozoic tectonics of the Southern Andes.

Cruise 84-6. 27 August to 22 September 1984. Puerto Montt, Chile, and return via islands offshore of the Chilean Canals north of Golfo de Penas. William Zinsmeister (Purdue University) and Thomas DeVries (Ohio State University). Collect rock and fossil samples to investigate the Cenozoic marine deposits in this region. (cruise report).

9 October 1984, Hero left the far south for the last time, heading to Port Hueneme to end her days in NSF Antarctic service.

The above information mostly comes from cruise lists published in the Antarctic Journal in May 1975, March/June 1978, March 1983, and March 1985.