DEPLOYDatabase

Deployment

SR-3 at United States

Fully autonomous submersible inspection robot for in-service aboveground storage tank inspections. API 653 and EEMUA 159 compliant, FM Approved. Features 256-element PAUT sensors for thickness measurement and corrosion mapping, 8 thrusters, and fiber-optic communications. Weighs 265 lbs in air with approximately 10 lbs negative buoyancy when submerged.

SR-3 by Square Robot · Catalog entry · 1 source · not yet field-verified · Maritime

Track SR-3 at United States

Recent coverage

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Global agreement with ExxonMobil to deploy robotic inspection services across the US. Part of broader agreement covering US, UK, Europe, and Far East.

Safety record

No incidents on record for SR-3 at United States.

Only active incidents are counted. Retracted incidents are excluded from this summary but remain reachable at their canonical URLs.

Trust tier
Catalog entry · 1 source · not yet field-verifiedhow tiers work →
Last updated
2026-08-17
Model
SR-3
Company
Square Robot
Location
United States
Status
operational
First seen
2021-06-21
ID
f0c0eca5-87a4-443f-bf63-872250542a5b

Timeline

  1. Jun 2021
    First recorded
    SR-3 first documented operating at United States.
  2. Aug 2026
    Current status: operational, reviewed
    Latest recorded state. New status transitions append here as the deployment-status recorder produces them.

On the deployment map

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SR-3 operates in United States. Explore the full verified map:

Sources (1)

  1. https://squarerobot.com/resources/news/Square-robot-inc-signs-global-agreement-for-inspection-services
Methodology: Verified · 1 source (no primary) · last reviewed 2026-08-17

Verification posture

Verified

Low confidence

Review state

Stable

Last reviewed 2026-08-17

Maturity + lifecycle

Maturity stage: commercial

Lifecycle: active

Architectural position

Cohort: underwater

Sources by quality tier

1
unclassified
Unclassified source

The framework is documented at /methodology. Corrections at /corrections. Reviewer: DEPLOY editorial team.

Methodology surface for SR-3 at United States.

Common questions

What is the SR-3 deployment at United States?
SR-3, built by Square Robot, is recorded as a deployment at United States on the DEPLOY registry. Square Robot operates the deployment directly.
Who operates SR-3 at United States?
Square Robot, the manufacturer of SR-3, operates this deployment directly. This is a maker-deploys-its-own-product arrangement rather than a customer pilot.
When did the SR-3 deployment at United States go live?
The deployment is recorded as starting June 21, 2021 on the DEPLOY registry. Earlier activity may exist but is not yet sourced.
Have there been incidents at the SR-3 deployment at United States?
No active incidents affecting this deployment are recorded on the DEPLOY registry. Absence of recorded incidents is not a guarantee no incident occurred; DEPLOY records only sourced incidents and suppresses retracted ones.

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