Archive

The 10th MED regulation and survey vessel equipment approvals

Sep 9 · 9 min read

Radar-derived bathymetry: where wave inversion sits beside multibeam

Sep 7 · 9 min read

Accelerated emergency decompression from saturation: reading DMAC 31

Sep 5 · 9 min read

Map projections, distortion and the politics of size: why the world may be moving from Mercator to Equal Earth

Sep 4 · 7 min read

Synthetic data for MFL inspection: a buyer's guide to model-trained classifiers

Sep 3 · 9 min read

Pragmatism or transition? Andy Burnham’s energy balancing act and the future of the UK North Sea

Sep 3 · 7 min read

When a 1m sailing robot can chart your storm-hit port – and when it can't

Sep 1 · 9 min read

Extreme sea level for offshore design: what metocean leads must validate

Aug 30 · 10 min read

When contact is a fix: unpacking contact-aided AUV localization

Aug 28 · 9 min read

BSEE Alert 524: competence lessons for survey and positioning crews

Aug 26 · 9 min read

Failure to isolate: the recurring LTI mechanism on survey decks

Aug 24 · 9 min read

TGS–GTI seismic tie-up: the standards behind "shoreline to deepwater"

Aug 22 · 9 min read

Layered seabed, layered risk: North Sea ground models and cable burial

Aug 20 · 10 min read

Positioning on the Moon: what LUPIN reveals about the lunar frame

Aug 18 · 10 min read

Jackdaw – time to decide

Aug 14 · 5 min read

Freelance competence validation – what are the choices?

Aug 11 · 7 min read

Is size important in the offshore survey market

Aug 11 · 5 min read

Where are the survey schools?

Aug 11 · 4 min read

Scoping a deepwater site-characterisation campaign for FEED-ready ground models

Aug 10 · 9 min read

What is in a name?

Aug 10 · 2 min read

USBL in extreme proximity: positioning lessons for subsea inspection

Aug 7 · 11 min read

Spoofed DGNSS corrections offshore: what to do before authentication arrives

Aug 4 · 9 min read

Finding a wreck at 610m: what a first-pass AUV hit teaches offshore search

Aug 1 · 10 min read

Water column backscatter for methane seeps: MBES or gas sensors?

Jul 29 · 9 min read

When does a non-ice-class tanker need an icebreaker? The shoulder-season decision

Jul 28 · 12 min read

Backscatter you already own: turning MBES returns into seabed maps

Jul 26 · 9 min read

USV/AUV swarms: why positioning architecture is the real decision

Jul 23 · 10 min read

Spatialising SBAS: LEO augmentation and the integrity case for DP

Jul 20 · 9 min read

Buy the AUV or the capability? The HUGIN Superior question

Jul 17 · 10 min read

Visual navigation for AUVs: buying position confidence without acoustics

Jul 14 · 10 min read

Contested signals: GNSS reliability in Arctic offshore work

Jul 11 · 10 min read

Assured PNT for offshore vessels: when LEO backup pays and when it doesn't

Jul 8 · 9 min read

DNV-RP-0585 seismic update: what it demands of site survey scope

Jul 5 · 9 min read

The DP incidents you never hear about: why concealment still pays

Jul 5 · 10 min read

SAS or multibeam for wreck surveys: when resolution earns its premium

Jul 2 · 9 min read

What DP operations should take from ICAO's GNSS jamming stance

Jun 29 · 10 min read

GPS OCX in doubt: reading the ground segment risk offshore

Jun 26 · 9 min read

GNSS jamming and spoofing: where offshore positioning chains break

Jun 23 · 10 min read

IMCA S 026, unpacked: what an out-of-straightness survey actually requires

Jun 20 · 11 min read

USV launch and recovery: reading the reliability threshold

Jun 20 · 9 min read

When ArcGIS isn't an option: a decision-grade map of geoportal alternatives to Esri

Jun 18 · 13 min read

Long-endurance AUVs: rethinking survey planning for multi-week dives

Jun 17 · 10 min read

Length is easy, the gap is not: surveying free spans on subsea pipelines

Jun 17 · 14 min read

Not a map layer: geomatics and the common operating picture in crisis response

Jun 16 · 14 min read

Separately contracted, same deck: governing combined subsea operations

Jun 14 · 15 min read

Optical 3D scanning in subsea weld repair: a visualisation aid, not an NDT method

Jun 14 · 7 min read

The hidden geodetic bill in a 'harmonised' seismic megasurvey

Jun 14 · 9 min read

Conflict-zone GNSS interference: offshore positioning resilience for 2026

Jun 12 · 10 min read

GNSS-INS for subsea: when tactical-grade IMUs earn their premium

Jun 12 · 10 min read

Managing the integrated subsea contractor: an operator's framework

Jun 12 · 12 min read

Equinor's Sabertooth trials: are operators ready for intervention drones?

Jun 10 · 9 min read

Space-based GNSS jamming exposes DP integrity monitoring blind spots

Jun 10 · 8 min read

Strait of Hormuz guidance: what survey managers need to know now

Jun 5 · 7 min read

Uncrewed hydrographic surveys: the certification gap nobody mentions

May 31 · 9 min read

Multi-day offshore USV operations: Van Oord's reality check

May 27 · 9 min read

New IHO leadership and what S-100 means for offshore contractors

May 23 · 8 min read

GNSS interference is now persistent: what offshore survey must do next

May 19 · 9 min read

Terrestrial timing networks: what NPL-Vodafone means for offshore PNT

May 5 · 8 min read

S-100 goes live on Sydney Harbour: what the first bridge trial shows

Apr 30 · 7 min read

S-100 Phase 1 is live: what survey contractors must change now

Apr 26 · 8 min read

Big-data GNSS integrity: what RIGOUR means for offshore positioning QA

Apr 21 · 8 min read

The real cost of channel partners: the GeoAcoustics-Seafloor deal

Apr 17 · 8 min read

Deep-sea mining EIAs: ADCP deployment reality vs regulatory demand

Apr 15 · 9 min read

S-100 and USV autonomy: what the new IHO data model changes for survey

Apr 10 · 9 min read

Shore-approach burial surveys: depth-of-burial in the transition zone

Apr 6 · 12 min read

What New Zealand's 3D coastal programme reveals about nearshore surveys

Apr 5 · 9 min read

Brazil's first S-101 ENC: what survey contractors should plan for

Apr 1 · 9 min read

Why Arctic GNSS positioning fails above 70°N – and what actually works

Mar 29 · 11 min read

Non-ice-class vessels in Arctic waters: when escort isn't enough

Mar 24 · 14 min read

ASOG and DP drift-off: why crews bypass the guidelines

Mar 24 · 13 min read

Offshore platform subsidence vs growth: the compaction problem

Mar 21 · 13 min read

When your platform moves: geodetic monitoring of offshore structural deformation

Mar 20 · 12 min read

GNSS jamming offshore: what it means for PNT when GPS fails

Mar 18 · 9 min read

£180M National Timing Centre: what offshore survey can expect (and can't)

Mar 14 · 8 min read

Battery packs in pressure housings: field lessons from three decades

Mar 14 · 9 min read

Dual-role PSVs: when your supply vessel becomes a subsea worksite

Mar 9 · 12 min read

When autonomous systems make sense: the economics of remote bathymetry

Mar 9 · 9 min read

What Kongsberg's EM sensor rebrand reveals about positioning integration

Mar 5 · 8 min read

IOGP SSDM version 3: what the seabed survey data model update changes

Mar 2 · 8 min read