Is OPNAVINST 3140.55C current?

OPNAVINST 3140.55C is listed as current in the DON Issuances (DONI) catalog (publication date 2018-12-17).

Where do I download the official OPNAVINST 3140.55C?

The official copy is published on DON Issuances (DONI) (https://www.secnav.navy.mil/doni/).

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OPNAVINST 3140.55C — OCEANOGRAPHIC, HYDROGRAPHIC, AND BATHYMETRIC SURVEY PROGRAM

OPNAVINST 3140.55C is listed as current Current
in the DON Issuances (DONI) catalog as of our last index refresh (2026-07-11). Note: its publication date is 2018-12-17 — 8 years old — so check for newer interim changes before citing it.

Branch	U.S. Navy
Series	OPNAVINST
Publication date	2018-12-17 (7.6 years ago)
Status	Current
Proponent / OPR	N2N6
Source of record	DON Issuances (DONI)

Official document (DON Issuances (DONI))

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Nearby in the OPNAVINST series

OPNAVINST 3130.6F — NAVAL SEARCH AND RESCUE STANDARDIZATION PROGRAM Current
OPNAVINST 3130.7C — NAVAL AVIATION PERSONNEL RECOVERY PROGRAM Current
OPNAVINST 3140.24G — ADVERSE AND SEVERE WEATHER WARNINS AND CONDITIONS OF READINESS Current
OPNAVINST 3150.27D CH-1 — NAVY DIVING POLICY AND JOINT MILITARY DIVING TECHNOLOGY AND TRAINING PROGRAM Current
OPNAVINST 3300.52A — LAW OF WAR PROGRAM Current

This is an unofficial index built from the public catalog. The controlling copy is always the one on DON Issuances (DONI) — verify there before citing OPNAVINST 3140.55C in an official product.