© 2026 Observater Surveys and Services Group. All rights reserved.
Observater Surveys is the premier provider of independent marine surveying and maritime casualty investigation for International Group (IG) P&I Clubs, Charterers, and global Hull & Machinery Underwriters. Operating across a vast Pan-African network of over 45 ports—spanning Nigeria, West Africa, Egypt, Sudan, Senegal, and the Eastern seaboard—we deliver rapid-response loss control and authoritative maritime litigation support.
When major maritime casualties, catastrophic machinery failures, or multi-million dollar cargo claims occur at Nigerian ports or within the Gulf of Guinea, time is of the essence. Observater Surveys operates as the most trusted independent marine surveyor network not just in Nigeria, but across more than 45 major ports spanning Western, Eastern, Central, and Northern Africa. Comprising highly experienced accredited surveyors, Master Mariners, and marine legal experts, we act aggressively to protect the interests of Shipowners, Underwriters, and P&I Clubs. We secure irrefutable, “without prejudice” evidence, mitigating arbitrary detentions by the Nigerian Ports Authority (NPA) or NIMASA, and effectively shielding our principals from unjustified local litigation continent-wide.
We offer comprehensive, court-ready surveying for all forms of maritime risk, casualty, and commercial disputes across Nigerian ports (Apapa, Tin Can, Onne, Port Harcourt, Warri, Calabar, Lekki). From complex bulk cargo wetting investigations to devastating main engine breakdowns and groundings, our independent technical reports form the definitive backbone of maritime dispute resolution in West Africa.
Prior to a vessel entering an International Group P&I Club or renewing coverage, Underwriters require a thorough assessment of the ship’s risk profile. We board vessels at Nigerian ports (Lagos, Onne, Warri, Calabar) to conduct rigorous Pre-Entry Condition Surveys. We evaluate structural seaworthiness, adherence to safety management protocols (ISM), the watertight integrity of cargo holds, and crew competency. By identifying latent defects and substandard maintenance trends, we enable P&I Clubs to accurately underwrite risk or mandate critical warranties before accepting liability.
Water ingress causes devastating losses to sensitive commodities like grain, fertilizer, and steel coils. When cargo arrives damaged in Nigeria—the primary gateway to West Africa—Observater acts immediately on behalf of P&I Clubs to establish the proximate cause. We perform Silver Nitrate testing to definitively distinguish between sea water ingress (indicative of hatch cover failure) and fresh water (ship’s sweat or rain during loading). We isolate the damaged parcels, quantify the exact tonnage affected, and assist in arranging salvage sales to mitigate the final claim payout.
Caking, chemical alteration, or commingling of bulk liquid and dry cargoes often trigger massive rejection claims by receivers at the Ports of Lagos or Onne. Our independent marine surveyors attend immediately to secure impartial, joint-sealed samples from manifolds, ship tanks, and shore terminals. We rigorously investigate tank cleaning logs, prior cargo histories, and loading protocols. By ensuring samples are analyzed at accredited laboratories, we provide the empirical data P&I Clubs need to defend against alleged off-spec claims.
Heavy grab operations and rough container handling by port stevedores frequently result in severe damage to the vessel’s hull frames, hatch coamings, and lifting gear. When NPA or terminal operations damage a vessel, Observater acts immediately. We conduct joint surveys with port authorities to formally log the incident, quantify the exact extent of structural damage, ensure the Master signs a formal Notice of Liability, and calculate the financial remedy required for shipyard repairs.
When vessels encounter extreme sea states resulting in collapsed container stacks or shifted breakbulk cargo, P&I Clubs face astronomical claims for crushed commodities and hull structural warping. Upon arrival in Lagos, we board the vessel to extract the Master’s sea protest, logbook entries, and weather routing data. We evaluate the lashing gear failure against the IMO CSS Code and determine if the “perils of the sea” defense is legally applicable, or if improper stowage at the load port was the true proximate cause.
Oil spills, sludge dumping, and MARPOL Annex violations result in aggressive criminal prosecution and multi-million dollar fines by port authorities. Observater acts as the critical buffer, deploying emergency response teams to the vessel. We document the exact volume of the spill, investigate Oil Record Book (ORB) entries and OWS bypass suspicions (“magic pipes”), and liaise with Nigerian Environmental authorities and NIMASA to organize rapid containment booms. We ensure P&I liabilities are strictly capped and prevent the vessel from enduring indefinite detentions.
Personal injury, occupational illness, and tragic crew fatalities demand immense sensitivity combined with rigorous factual investigation to handle massive ILO/MLC compensation claims. Acting on behalf of the Club, we attend the vessel in Nigeria to secure accident scene photographs, interview witnesses, review Risk Assessments and Permit to Work systems, and facilitate emergency medical evacuations to trusted local hospitals, ensuring the shipowner is protected against exaggerated liability.
The discovery of stowaways incurs massive administrative burdens and heavy port fines. Working on behalf of P&I Clubs, Observater manages the entire stowaway disembarkation process at Nigerian ports. We interview stowaways to determine port of embarkation, verify the vessel’s ISPS security logs to prove due diligence, liaise with Nigerian Immigration and Embassies to secure emergency travel documents, and coordinate secure escorts for immediate repatriation, minimizing delays to the vessel’s commercial schedule.
When a vessel collides with another ship at sea (H&M) or strikes port infrastructure like NPA gantry cranes or berths (P&I Third Party Liability), multi-million dollar cross-claims instantly emerge. Our accredited surveyors and technical experts extract and analyze ECDIS, VDR, and Bell Books to reconstruct the timeline and determine COLREG faults. Concurrently, our engineers map the “angle of blow” and coordinate with joint surveyors to establish the precise quantum of steel renewal and shore-side infrastructure damage, establishing facts before lawyers dictate the narrative.
Under Charter Party terms, charterers are obligated to nominate a “Safe Port and Berth.” When a vessel sustains bottom damage due to uncharted shoals or improper fendering at Nigerian ports, owners face massive repair bills. Observater conducts detailed bathymetric sounding reviews, evaluates NPA port fendering systems, and secures local meteorological data to build a comprehensive legal defense, proving the berth was fundamentally unsafe and shifting liability to the responsible parties.
When a vessel runs aground navigating the entrance channels of the Lagos channel or Bonny River, H&M Underwriters require precise mapping of the structural damage. Observater coordinates immediate Under-Water Inspections (UWI) to map bottom plate indentation, fractured transverse frames, and breached double-bottom tanks. We work alongside Classification Societies to approve temporary “doubler plate” wet repairs, ensuring the vessel can safely voyage to the nearest drydock while securing the Underwriter’s financial interests.
Catastrophic main engine seizures trigger exorbitant repair claims and massive off-hire periods. Our Marine Engineers delve deep into the mechanical failure, analyzing scavenge space inspections, lube oil spectrographic reports, and Planned Maintenance (PMS) logs to uncover whether the failure was an insured peril (e.g., latent defect) or an excluded risk (e.g., crew negligence or deferred maintenance). We establish the absolute root cause to guide H&M claims adjustment with technical certainty.
Generator burnouts, turbocharger disintegrations, and devastating crankcase explosions severely compromise a vessel’s safety and power management systems. We deploy specialized engineers and Non-Destructive Testing (NDT) technicians to inspect fractured crankpins, shattered turbine blades, and compromised connecting rods. We oversee the procurement of OEM spares, manage local repair contractors, and ensure the machinery is successfully run-in and certified before H&M Underwriters close the claim.
Following extraordinary sacrifices made to save a vessel in peril (e.g., jettisoning cargo or intentional grounding), shipowners declare General Average (GA) to proportionately share the financial losses. Appointed by London Average Adjusters, Observater’s marine surveyors rigorously assess the exact value of the sacrificed cargo, the damage sustained by the vessel during the salvage act, and ensure all “General Average” disbursements are precisely quantified for the final adjustment.
Shipboard fires—whether originating from hot work in the engine room or self-heating cargoes (e.g., direct reduced iron, coal)—are devastating. Observater’s fire forensics team boards the vessel to trace burn patterns and identify the exact seat of the fire. We scrutinize the deployment of fixed firefighting systems (CO2/Hi-Fog), verify crew adherence to emergency protocols, and assess the thermal compromise to the hull’s structural steel to define the complete boundary of the Underwriter’s liability.
When vessels become severely stranded or sink, complex salvage operations—often under LOF (Lloyd’s Open Form) or SCOPIC clauses—are triggered. Acting on behalf of underwriters, Observater provides expert oversight of the appointed salvors. We scrutinize the salvage plan, monitor the utilization of salvage tugs and divers to prevent exaggerated daily hire rates, and liaise with the Nigerian Ports Authority (NPA) and NIMASA to ensure wreck removal mandates are fulfilled cost-effectively and without environmental disaster in Nigerian waters and the Gulf of Guinea.
Following an H&M casualty, shipyard repair invoices are notorious for massive inflation and blurred lines between Underwriter-liable casualty repairs and Owner’s routine maintenance. Operating in local drydocks, Observater provides ruthless invoice auditing. We strictly delineate the repair specification, challenging excessive steel renewal weights, inflated daily labor rates, and unjustified scaffolding charges, ultimately saving Underwriters millions of dollars on final settlements.
Alleged bulk cargo short-deliveries at Nigerian Ports frequently result in massive Bill of Lading claims against the vessel by aggressive local receivers. Operating under P&I Club instruction, our accredited surveyors perform independent, highly precise Draft Surveys aligned with UN ECE standards. We verify initial, intermediate, and final drafts utilizing Archimedes’ principle, applying exact Lagos or Bonny River water density corrections and rigorous ballast soundings to legally defend the shipowner against paper shortages and scale inaccuracies.
Discrepancies in breakbulk, bagged cargo, and steel coil piece-counts are rampant and lead to heavy P&I shortage claims. Observater provides round-the-clock, 24/7 Tally Surveys alongside the vessel at Nigerian berths. Our tally clerks diligently log the outturn condition, record individual piece counts, document damaged packaging in real-time, and strictly monitor unsealing/sealing protocols. We issue daily shift reports that ensure the shipowner pays only for what was actually discharged, not what is missing from the port warehouses.
Proactive prevention is vastly more economical than post-incident litigation. Observater acts as the “eyes and ears” for P&I Clubs and Charterers during critical discharge and loading operations. During discharge at Nigerian Ports, our Loss Control superintendents aggressively monitor stevedoring practices to prevent rough handling, pilferage, and further cargo degradation. We actively segregate pre-damaged or wet cargo while still in the holds, enforce strict weather-related rain halts, and ensure highly accurate outturn reporting to shield the vessel from unjustified, inflated receiver claims upon delivery.
Loading multimillion-dollar project cargoes—such as generators, locomotives, and industrial transformers—requires exacting, uncompromising engineering planning. Acting as appointed Warranty Surveyors (MWS) for P&I and H&M Underwriters, Observater verifies complex lifting methodologies. We account for Dynamic Amplification Factors (DAF) and precise Center of Gravity (CoG) parameters, inspect crane capabilities, spreader beam arrangements, and specialized rigging plans, ensuring zero-incident, safe handling during operations in Nigeria.
Intermodal container logistics demand rigorous, on-the-ground oversight to prevent high-value cargo losses during inland transit from Lagos or Onne across the West African Transport Corridors. Operating to IICL standards, we assess the structural integrity of dry vans, investigate mechanical breakdowns on high-value refrigerated containers (reefers) through Pre-Trip Inspection (PTI) data analysis, and supervise critical stuffing and stripping operations. Furthermore, we conduct strict seal integrity audits to deter theft and secure the chain of custody.
As a preventative measure frequently mandated by P&I Clubs prior to loading high-value or water-sensitive commodities, we provide absolute verification of weather-tightness. Our surveyors utilize IACS UR Z17 compliant Ultrasonic Testing (UST) equipment—such as Sherlog or Cygnus—to detect microscopic gaps in rubber packings that traditional hose testing might miss. We also perform exhaustive visual checks on compression bars, securing cleats, cross-joints, and non-return drainage valves to ensure total watertight integrity before the voyage begins.
Crucial for breakbulk, out-of-gauge (OOG) project cargo, and heavy lifts, Observater verifies that cargo is secured in strict accordance with the vessel’s approved Cargo Securing Manual (CSM) and IMO CSS Code Annex 13 to prevent shifting during transit. We calculate complex acceleration and wind forces, inspect lashing materials (D-rings, turnbuckles, wire ropes, and twist-locks), verify the penetration welding of stoppers, and issue authoritative Certificates of Securing Approval before the vessel is cleared for voyage.
Acting as Marine Warranty Surveyors (MWS) on behalf of London Market Underwriters and global insurers, we approve high-risk marine operations, specifically the ocean towage of barges, dead ships, and offshore structures departing from Nigeria or operating along the Gulf of Guinea seaboard. Following strict DNV and Joint Rig Committee guidelines, we assess the towing vessel’s bollard pull capacity against anticipated environmental criteria. We inspect the entire towing gear train (main wire, pennants, shackles, emergency towing arrangements), review the voyage plan and weather routing, and ultimately issue the critical Certificate of Towage Approval.
Nigeria’s maritime complex—including Apapa, Tin Can Island, Port Harcourt, Onne, Warri, Calabar, and the new Lekki Deep Sea Port—is West Africa’s most critical maritime hub, serving as the commercial powerhouse for the region and landlocked neighbors like Niger and Chad. Navigating its complex operational protocols, stringent NPA (Nigerian Ports Authority) and NIMASA regulations requires deep-rooted regional expertise backed by a massive international footprint.
P&I and H&M surveys are conducted exclusively by seasoned, accredited surveyors and technical professionals.
Uncompromising physical evidence and precise technical write-ups issued promptly.
Zero conflict of interest. We protect the Club’s and the Underwriter’s exposure with absolute integrity.
A selection of our recent casualty responses and independent investigations at Nigerian ports.
Emergency attendance to investigate sea-water ingress in a bulk carrier’s cargo hold. Our Silver Nitrate testing proved hatch cover failure, allowing the P&I club to accurately assess liability and isolate the damaged parcel.
Rapid dispatch following a vessel’s grounding at the Lagos approach channel. We coordinated underwater inspections to map bottom plate deformation and secured “fit for voyage” class approval for temporary repairs.
Following an allision with port infrastructure at Tin Can Island, our accredited surveyors secured VDR data to reconstruct the timeline, successfully mitigating a multi-million dollar third-party claim against the vessel’s owners.
Available 24/7/365 for emergency casualty response across all Nigerian Ports.
When precision matters, Observater Surveys Group is your Partner of Choice
© 2026 Observater Surveys and Services Group. All rights reserved.