Close preview U89 U-89 — INFOMAR sonar-derived seabed survey image (not an underwater photograph). Geological Survey Ireland & Marine Institute. Contains Irish Public Sector Data. · Creative Commons Attribution 4.0 International (CC BY 4.0). Image source and rights Identity and rights checked 2026-09-22. Matched by source identifier, agreeing vessel name and nearby survey position. Supporting collection record
INFOMAR seabed survey INFOMAR sonar-derived seabed survey. This is an underwater scan, not a dive photograph. Open full-size scan Survey identity: U-89.
Recorded water depth 56.7 m Surveyed remains Length 56 m; width 8 m. Survey reference CE03_04 · IE_GSI_MI_shipwk_ID_276 · W07703 Measurements describe the surveyed remains, not necessarily the original vessel. Depth is a survey value, not a live reading or navigation clearance.
INFOMAR loss date: 1918-02-12. Other source dates are retained above where supplied.
Open seabed survey image
Survey images are sonar-derived views of the seabed, not dive photographs.
Contains Irish Public Sector Data (Geological Survey Ireland & Marine Institute) licensed under a Creative Commons Attribution 4.0 International (CC BY 4.0) licence. Source and attribution . Original scan . Licence . Submarine · Source-reported sinking date: 1918
Protection: Not supplied. Position: Original.
Depth notes: INFOMAR recorded water depth: 56.7 m. Survey value, not a live reading..
Source: GSI Wreck Data; reference W07703; source update 2023.
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