Best Ossa Podcasts (2025)

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Seafarers' Retirement 14:17

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4d ago14:17

14:17

Navigating the Hidden Challenges of Seafarers’ Retirement Global trade depends on millions of seafarers, yet their retirement security remains a largely invisible crisis. In this episode, we unravel why traditional pension systems fail these crucial workers—due to fragmented contracts, complex multinational employment, and hazardous job conditions …

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The Sinking of MF Jan Heweliusz: A Tragic Maritime Failure Unpacked 15:52

23h ago15:52

15:52

Dive into the harrowing story behind one of the 1990s’ deadliest maritime disasters—the sinking of the MF Jan Heweliusz in the freezing Baltic Sea, January 1993. This episode unravels how a combination of inherent design flaws, unauthorized modifications, poor maintenance, and catastrophic operational decisions led to the rapid capsizing of this ro…

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60 Years of LNG Carriers -- From Boil‑Off Waste to Smart, Low‑Carbon Fleets 18:26

15d ago18:26

18:26

Title: 60 Years of LNG Carriers — From Boil‑Off Waste to Smart, Low‑Carbon Fleets Description: Explore the 60‑year technological journey of LNG carriers in this episode. We trace how the industry turned boil‑off gas (BOG) from an operational nuisance into a valuable asset, and how ship design, propulsion and digital systems evolved — from steam‑dri…

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Inside LNG Overfill Prevention 16:26

18d ago16:26

16:26

LNG Overfill Prevention & HHL Alarm — How LNG Carriers Stay Safe at −163°C Imagine a giant thermos at −163°C that will expand 600× if it vaporises — and one missed alarm can risk everything. This episode explains LNG overfill prevention and the HHL alarm systems that stop catastrophic vaporisation by design. Dive into LNG overfill prevention and th…

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LNG vaporizer Fail‑Safe 16:51

22d ago16:51

16:51

Cutting the manual down to what matters: essential vaporizer safety, startup/shutdown steps, and the trips every cargo engineer must know. Tune in to learn how the shell‑and‑tube vaporizer stabilises temperatures, why condensate venting is your watchdog, and what a TSLL trip really means — so you can act fast and avoid catastrophic leaks. Produced …

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The Hidden Power of LNG Heaters 15:20

1M ago15:20

15:20

This week, we pull back the curtain on the critical, steam-heated heat exchangers located in the cargo machinery room: the High Duty (HD) Gas Heaters and the related Boil-Off/Warm-Up Heaters. Manufactured by specialized firms like DongHwa Entec or Cryostar, these Shell and U tube devices are essential for safe and efficient LNG Carrier Operations. …

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HD Compressors: Engineering, Safety and Control of Shipboard Critical Machinery 16:54

1M ago16:54

16:54

This episode translates dense technical documentation into the practical essentials any operator or engineer needs to know about HD or VR centrifugal compressors on an LNG vessel. We cover how redundancy in lube oil and seal gas systems forms active barriers, how inlet guide vanes control fixed‑speed machines, and how the surge detection and recycl…

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LD Compressor -- Part 1: General Overview 15:15

1M ago15:15

15:15

This first instalment of a multipart deep dive examines the low‑pressure (LD) compressor — the pivotal system that manages boil‑off gas (BOG) on liquefied natural gas carriers. It provides a general overview of how BOG, formed as cargo warms from −160 °C, is converted from a safety risk into usable fuel or recondenser feed, and how the LD compresso…

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The 1.2 mm Miracle: Inside the GTT Mark III LNG Membrane 17:59

1M ago17:59

17:59

Meet the GTT Mark III: the deceptively simple-looking membrane system that quietly runs the global LNG trade. We unpack how a 1.2 mm corrugated stainless‑steel skin survives −163 °C, cushions massive thermal shrinkage, and — with a composite secondary barrier and constant sensor monitoring — delivers the airtight safety operators demand. Hear why m…

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The Energy Equation: Mastering Precision in Marine LNG Calculations. 15:59

2M ago15:59

15:59

The global shipping industry is staking its future on Liquefied Natural Gas (LNG), the transitional fuel promising substantial reductions in CO₂ and virtually eliminating SOx emissions. But operating an LNG-fueled vessel is far more complex than running on conventional fuel oil. The stakes are immense, impacting everything from operational safety a…

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Mastering the Maritime Carbon Code: Your Guide to EU ETS Compliance. 17:56

2M ago17:56

17:56

Hook (one line) The EU just put shipping into a carbon market — and that single move is reshaping fuel costs, commercial decisions and survival strategies across global trade. Short description (platform-ready) This episode breaks down the EU’s extension of the Emissions Trading System to shipping: what’s covered, how compliance works, what financi…

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Mastering Fuel Gas Pumps on LNG Carriers 15:13

2M ago15:13

15:13

Ready to run LNG cargo pumps like a seasoned pro? This episode lays out a clear, uncompromising roadmap to safe, efficient operation—no guesswork, no grey areas. What you’ll learn: Submerged Motor Design: Why the LNG you’re pumping is also your coolant and lubricant—and why microns of precision matter. Safety-Critical Pre-Start Checks: The hard num…

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From Classroom to Command: Navigating SIRE 2.0 & LNG Operational Excellence 19:35

2M ago19:35

19:35

The LNG shipping sector is experiencing "unprecedented expansion" due to natural gas's role as a cleaner-burning fuel and evolving energy needs. This growth necessitates a corresponding increase in shore-based personnel to manage these highly specialized vessels. However, the "traditional recruitment pipelines, heavily reliant on experienced ex-sea…

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When time is short, can ethnography still go deep? With Dr. Thurka Sangaramoorthy 59:19

2M ago59:19

59:19

When time is short, can ethnography still go deep? In this episode, we talked with Professor Thurka Sangaramoorthy about this. Dr. Sangaramoorthy is a Professor and the chair of the Department of Anthropology at American University. She is a cultural and medical anthropologist and global health expert with over 25 years of experience in community-e…

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Beyond Four The Three Tank LNG Carrier Revolutionizing Maritim 28:54

2M ago28:54

28:54

Samsung Heavy Industries (SHI), in collaboration with GTT, has developed a revolutionary three-tank GTT concept for Liquefied Natural Gas (LNG) carriers. This design marks a significant departure from the industry-standard four-tank configuration, aiming to redefine sustainability, efficiency, and operational flexibility in maritime LNG transport. …

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Pumping Under Pressure: The Ins and Outs of Emergency Cargo Pump 6:20

2M ago6:20

6:20

In this episode, we discuss the emergency cargo pump, a critical piece of equipment used when a vessel's main cargo pumps fail. We cover the pump's installation, operation, and the importance of adhering to strict safety and operational procedures to prevent equipment damage and ensure personnel safety. Our discussion walks through the entire proce…

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Unsung Heroes Mastering LNG Carrier Stripping and Spray Pumps for Safety and Efficiency 22:52

2M ago22:52

22:52

This is comprehensive guide for maritime engineers and crew members on the operation and maintenance of stripping and spray pumps found on LNG carriers. The episode emphasizes the critical importance of these specialized pumps for tasks like tank cooldown and stripping, highlighting that their proper functioning is essential for vessel safety and o…

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Can you do fieldwork on a roller coaster line? With Dr. Mary-Caitlyn Valentinsson 53:12

2M ago53:12

53:12

Can you do fieldwork on a roller coaster line? In this episode, we talked with Dr. Mary-Caitlyn Valentinsson about this. She is a linguist and anthropologist specializing in media, pop culture, and fan communities. She is the Manager of Ethnographic Research at Universal Destinations and Experiences. Dr. Valentinsson holds a PhD in Anthropology and…

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Mastering Cryogenic Cargo Pumps on LNG Vessels 14:59

2M ago14:59

14:59

This comprehensive episode explores the critical role of cryogenic cargo pumps in the safe and efficient transportation of Liquefied Natural Gas (LNG) aboard specialized vessels. It details the fundamental principles governing these pumps, including thermodynamic and fluid dynamic challenges posed by extremely low temperatures. The text examines th…

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How AI is Catching Criminals at Sea 15:04

3M ago15:04

15:04

This episode explores the critical issue of maritime crime, highlighting its vast scale, hidden nature, and severe impacts on human rights, economies, and the environment. Maritime crime is not just piracy but includes illegal fishing, drug trafficking, wildlife smuggling, human trafficking, forced labor, and more. Despite covering two-thirds of th…

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Leak-Proof Power: Why the Stern Tube Matters 25:47

3M ago25:47

25:47

This episode takes an eye-opening, human-centered tour through the hidden world of stern tube systems—the critical technology that lets ships move massive loads across oceans without leaking oil or water. It weaves in a mix of personal perspective, odd historical details, quirky engineering breakthroughs, and today’s environmental reality checks. R…

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Invisible Engineering How Cryogenic Pipe Supports Power Global LNG Transport 17:58

3M ago17:58

17:58

Cryogenic Pipe Support Systems on Membrane LNG Carriers Introduction and Context The global energy transition has elevated Liquefied Natural Gas (LNG) to a pivotal role, driving the expansion of maritime transport infrastructure. Membrane-type LNG carriers, which transport LNG at approximately -162°C, are central to this infrastructure. The operati…

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What happens when ethnography leaves the university? With Amir Mohamed 55:09

3M ago55:09

55:09

What happens when ethnography leaves the university? In this episode, we talked with Amir Mohamed about this. Amir holds a PhD in Anthropology from Cornell University, and he is a research consultant who leads end-to-end research projects that drive meaningful change within organizations. He specializes in designing and managing research that bring…

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After Beirut: What LNG Ships Mean for Urban Ports 20:53

3M ago20:53

20:53

LNG: Unveiling the "Tamed Bomb" - Myths, Facts, and Safety Measures On August 4, 2020, the world was shaken by the catastrophic explosion at the Port of Beirut—a poignant reminder of the destructive potential of stored energy. While the Beirut tragedy was devastating, it also raised important questions about hazardous cargo stored or transported ne…

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The Unitor Guide: Your Partner in Hot Work Safety 14:40

3M ago14:40

14:40

The Unitor Guide: Your Partner in Hot Work Safety This episode provides a comprehensive overview of welding safety in the maritime industry. We delve into the specifics of hot work procedures, emphasizing the importance of risk assessment and adherence to industry regulations like the UK MCA's Code of Safe Working Practice and the British Compresse…

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Daily Checks That Could Save the Entire LNG Cargo 21:24

3M ago21:24

21:24

Daily Checks That Could Save the Entire LNG Cargo Dive deep into the fascinating world of LNG carriers and discover how these massive vessels safely transport liquefied natural gas at a staggering -163°C. In this episode, we explore the intricate engineering behind membrane tank barriers, the critical role of nitrogen in maintaining safety, and the…

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Mastering SEEMP: The Chief Engineer’s Guide to LNG Carrier Energy Efficiency & Carbon Compliance 18:26

3M ago18:26

18:26

SEEMP Step aboard the bridge of an LNG carrier and dive deep into the critical world of Ship Energy Efficiency Management Plans (SEEMP) — a dynamic, evolving framework transforming how ships operate to meet the global push for sustainability. In this episode, we unravel SEEMP from three vital angles: Part 1: The strategic "Plan-Do-Check-Act" cycle …

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What does a playful anthropology look like? with Mike Sullivan 49:47

3M ago49:47

49:47

What does a playful anthropology look like? In this episode, we talked with Mike Sullivan about this. He is a creative community catalyst with over 20 years of experience as an executive director, an educator, a performer, a project manager, and an entrepreneur. Mike holds a BA in Anthropology and an MA in Public Anthropology. He has received two a…

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The Price of Gas: LNG's Hidden Environmental Costs 16:21

3M ago16:21

16:21

The Price of Gas: LNG's Hidden Environmental Costs In this episode, we explore the complexities of liquefied natural gas (LNG) and its role as a transitional energy source. We discuss the benefits of LNG as a cleaner alternative to coal and oil, while also examining the significant environmental drawbacks, particularly the issue of methane slip. Ou…

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Recent Breakthrough Innovations in LNG Carrier Design and Efficiency 21:59

4M ago21:59

21:59

Dive into the hidden world of liquefied natural gas (LNG) carriers—critical giants shaping the future of global energy and sustainable maritime trade. This episode unpacks groundbreaking innovations transforming LNG shipping, from cutting-edge hull designs and advanced lightweight materials to revolutionary containment systems like membrane and sph…

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The Dark Secrets Inside Future Ships: AI, Emissions, and Global Power Plays 17:37

4M ago17:37

17:37

Unlock the Future of Maritime Shipping: Decarbonization, AI, and Geopolitics Collide Dive into the monumental transformation reshaping global shipping by 2035. In this episode, we unravel the powerful forces driving a revolution beneath the waves: urgent decarbonization targets pushing green fuels and smarter ships; cutting-edge digital technologie…

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The Silent Seas: A World Without Ships 12:29

4M ago12:29

12:29

The Silent Seas In this episode, we explore the startling scenario presented in "The Silent Seas: A World Without Ships." We're joined by a logistics expert and a geopolitical analyst to discuss the catastrophic consequences of a sudden and complete halt of the global shipping industry. Our guests will help us understand the intricate web of depend…

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What does it take to keep a public anthropology lab alive? With Giselle Figueroa de la Ossa 44:18

4M ago44:18

44:18

What does it take to keep a public anthropology lab alive? In this episode, we talked with Giselle Figueroa about this. She is a PhD candidate at the Department of Anthropology at the London School of Economics and Political Science and the Founding Director of the Laboratorio de Antropología Abierta (Open Anthropology Lab). She is a SAPIENS Public…

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Nitrogen Generation System Operation, Maintenance, and Optimization 28:59

4M ago28:59

28:59

The Crucial Role of Inert Gas Systems on Liquefied Natural Gas Carriers Step aboard the colossal giants of the sea—#LiquefiedNaturalGas (#LNG) #Carriers—and discover the hidden world of invisible dangers that threaten their safe voyage. This episode takes you deep inside these leviathans, unraveling the complex, multi-layered safety systems designe…

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VLSFO Management for Marine Engineering Officers 19:49

4M ago19:49

19:49

**Deep Dive: Navigating the Complex World of VLSFO and the IMO 2020 Sulfur Cap** Discover the hidden transformation reshaping global shipping in this eye-opening episode. We unpack the monumental IMO 2020 sulfur cap regulation that slashed sulfur content in marine fuels from 3.5% to just 0.5%, triggering the widespread adoption of Very Low Sulfur F…

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AMSA Reported 14:16

4M ago14:16

14:16

Unlocking the Secrets of Maritime Safety with AMSA’s 2024 Report Imagine a colossal engine powering everything you use daily — from your morning coffee to the device in your hand — all transported across vast oceans. But beneath this global trade lies a silent battle: the relentless pursuit of safety at sea. Why, after decades of rules and technolo…

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The Separator’s Deadly Dance: Avoiding Catastrophe at 10,000 RPM 34:34

4M ago34:34

34:34

**Mastering High-Speed Centrifugal Separator Operations** Unlock the secrets behind safe, efficient, and expert operation of high-speed centrifugal separators, with a special focus on the Alfa OWS Separator. This episode dives deep beyond the manuals to reveal the invaluable "unwritten wisdom" that transforms competent operators into true specialis…

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The Enduring Evolution of Marine Propeller Technology 36:30

4M ago36:30

36:30

Marine Propellers Explained. History, Technology & Future of Ship Propulsion Unlock the secrets behind marine propellers — the unsung heroes that power massive ships and stealthy submarines across the oceans. This episode takes you on an in-depth journey through the evolution, science, and cutting-edge innovations in marine propulsion technology. L…

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Can ethnography be a tool for activism? With Dr. Manissa Maharawal 45:25

4M ago45:25

45:25

Can ethnography be a tool for activism? In this episode, we talked with Professor Manissa Maharawal about this. She is an Assistant Professor in the Department of Anthropology at American University. She is a cultural anthropologist and critical geographer. Her work focuses on eviction, race, displacement, and the spatial and temporal dynamics of c…

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Proactive Hazard Control in Maritime Operations 23:45

4M ago23:45

23:45

This episode is for the hands-on crew members who are on the front line of maritime operations. We focus on the practical tools and mindset you need to keep yourself and your shipmates safe. Learn about the "Take 5" procedure, a quick and effective way to assess risk before you start any task. We'll discuss your right and responsibility to use "Sto…

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The $200,000-a-Day Problem: Why Ship Maintenance Matters 23:55

5M ago23:55

23:55

This episode features a seasoned Marine Engineer who brings a wealth of experience from the high seas to our studio. With a distinguished career spanning several decades, our guest has witnessed firsthand the evolution of ship maintenance, from the reactive 'fix-it-when-it-breaks' approach to the sophisticated, data-driven planned maintenance syste…

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Under Siege: How Today’s Pirates Are Terrorizing the World’s Oceans 19:58

5M ago19:58

19:58

Dive into the high-stakes world of 21st century piracy in this gripping episode that uncovers the modern face of a centuries-old menace. Far from the romanticized pirate tales of old, today’s maritime piracy is a sophisticated, global criminal enterprise with devastating human consequences. Explore how piracy has resurged amid booming global trade,…

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Offshore LNG Terminal Operations, Systems, and Safety 36:49

5M ago36:49

36:49

Dive into the fascinating world of modern offshore LNG receiving terminals in this eye-opening episode. Discover the extraordinary journey of liquefied natural gas—from ultra-cold storage at -162°C, to intricate offshore platforms, and finally into the national grid. Explore how massive LNG carriers dock at engineered jetties, transfer their cargo …

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Inside LNG Custody Transfer: How Ships Measure Billions in Cargo with Extreme Accuracy 23:30

5M ago23:30

23:30

Explore the critical process of liquefied gas measurement on ocean-going vessels transporting LNG (liquefied natural gas), LPG (liquefied petroleum gas), and other hazardous chemicals. This episode dives into how accurate custody transfer measurements are performed on massive ships carrying billions worth of cargo, ensuring trade accuracy, safety c…

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LNG Simulator Training Insights – Part2 37:23

5M ago37:23

37:23

LNG Simulator Training Insights – Part2 Step back into the high-stakes world of LNG shipping in Part 2 of our deep dive into membrane LNG carrier operations. In this episode, we pick up right where we left off—taking you from the thrilling moment when cargo tanks hit cryogenic readiness, through the intricacies of bulk loading, vigilant pressure ma…

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LNG Simulator Training Insights – Part 1 38:01

5M ago38:01

38:01

LNG Simulator Training Insights – Part 1: Confronting the Cryogenic Challenge Step aboard for Part 1 of our exclusive series exploring the real-world demands of LNG carrier operations through the lens of high-fidelity simulator training. In this episode, we take you deep into the heart of membrane tank LNG carriers—where temperatures plunge to -160…

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STS LNG Bunkering Safety and Efficiency 24:24

5M ago24:24

24:24

Strap in for an extraordinary behind-the-scenes look at one of maritime engineering’s most fascinating challenges: refuelling colossal vessels at sea with liquefied natural gas (LNG)—a fuel that’s colder than -160°C! This episode of Deep Dive goes far beyond headlines about clean shipping; we unpack the razor-edge logistics, cutting-edge safety sys…

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Is the K-Chief IAS Smarter Than Its Operators? Exploring the Digital Brain of Ships” 58:00

5M ago58:00

58:00

Dive deep and free course into the complex yet fascinating world of marine automation with our comprehensive guide to the Kongsberg K-Chief 700 system — the digital nervous system powering today’s modern vessels. In this episode, we unravel the intricacies of the K-Chief 700, exploring: Distributed processing architecture that decentralises control…

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The MAN 51/60DF "Shipping’s Secret Weapon: The Dual Fuel Engine Explained" 18:56

5M ago18:56

18:56

Join us as we dive into the fascinating world beneath the decks, exploring one of the most advanced marine engines shaping the future of shipping. From massive cargo vessels to cruise liners, discover how this dual fuel engine is helping ships navigate changing environmental rules, soaring fuel prices, and the push for cleaner seas — all while adap…

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Between Law and Lore: Navigating the Tides of Piracy 20:38

6M ago20:38

20:38

Pirates, Power, and the High Seas: The Real Story of Maritime Piracy—Past, Present, and Future Forget the Hollywood clichés—eye patches, parrots, and buried treasure. In this episode, we plunge deep into the true world of maritime piracy, uncovering how it's shaped everything from global trade and naval power to international law and modern geopoli…