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ShipwreckSaltwaterOceanTechnical DiveSource Checked

NBM Dive Site Resource

USS YF-415

Massachusetts Bay offshore waters, Massachusetts, United States

EXTREME TECHNICAL DIVE ONLY — USS YF-415 is a source-backed U.S. East Coast technical wreck destination with a maximum depth of Approximately 240 ft / 73 m.

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Historic Picture Placeholder

Old-fashioned maritime line drawing reserved for a future historic photograph
Historic Picture PlaceholderHistoric photograph pending research and rights review
WaterMarine
AccessOffshore boat dive; technical-operator confirmation required
ExperienceExtreme technical dive only — trimix or CCR, decompression and expedition-level offshore wreck experience required
Maximum depthApproximately 240 ft / 73 m
Best seasonSeasonal details pending
VisibilityVisibility varies

Aquatic life at this dive site

What divers may encounter

Three reviewed connections are featured here. Sightings vary by season, conditions, and chance, so they are never guaranteed.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Profile connection reserved

Aquatic life research in progress

NBM is reviewing a likely local species for this position.

Site media

Photographs

Three views rotate from the published gallery on each visit.
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending
Illustrated scuba diver reserved for a future dive-site photograph
Dive Photograph PlaceholderDive-site photograph pending

Contributor media

Dive videos

Three featured video positions are reserved on every profile.
Dive-site video pending
Dive-site video pending
Dive-site video pending

Recent field observations

Diver-reported temperatures

Automatically checked observations from dives during the past 14 days. Three reports are visible at a time; scroll for more.
Automatically checked
No recent diver reports from the past 14 days

A report that passes the automatic checks will appear here with the dive date, diver’s display name, and temperatures at each depth.

Reports are automatically checked for plausible dates, depths, and temperatures. They are observations, not forecasts; confirm conditions before diving.

Diver field observation

Report temperatures

Reports publish automatically when the date, depths, and temperatures pass the checks. You must be signed in to submit.

Depth readings

Why divers know this place

Highlights

U.S. Navy yard-freight lighter discovered in 2002 and first dived in 2003, upright and partially intact.

Before you arrive

Access notes

Coordinates are intentionally omitted. Confirm current charter availability, exact depth and relief, sea state, current, gas, decompression and emergency support with an experienced technical operator.

Plan within your training

Conditions and hazards

Extreme depth, major decompression obligations, cold dark water, offshore exposure, low visibility, entanglement, unstable wreckage and possible unexploded-ordnance concerns.

Independent resource notice

This record is a starting point for independent verification. Access, closures, moorings, weather, currents, depth, visibility, operator availability, and site conditions can change without notice. Confirm current information with the responsible operator, property owner, managing authority, or another qualified local source before planning or attempting a dive.