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COA11D should be updated via niprnet, siprnet, or jwics by either : a. downloading the updated COA11D (17TH…

Philippines · Sulu Sea · HYDROPAC 234/13

issued: 2013-01-23 22:13Z
status: cancelled 2013-03-09 10:56Z (archive)
cancels: HYDROPAC 171/13
authority: SHAFFER 232148Z JAN 13.
source: nga_json · first seen 2026-08-17 13:38Z

Original warning text

PHILIPPINES.
SULU SEA.
DNC GEN11A, COA11D (17TH ED)
1. DNC COA11D HAS BEEN UPDATED AND IS
   SAFE FOR NAVIGATION.
2. COA11D SHOULD BE UPDATED VIA NIPRNET,
   SIPRNET, OR JWICS BY EITHER :
   A. DOWNLOADING THE UPDATED COA11D (17TH ED)
      DNC BASELINE.
   B. DOWNLOADING AND APPLYING THE CD 11 VDU
      EDITION PATCH TO UPDATE ALL LIBRARIES
      FROM 16TH ED TO 17TH ED, NTM 52/12.
3. ANY UPDATES APPLIED TO DNC CD11 PRIOR TO
   THIS MSG SHOULD BE REPLACED BY THE
   BASELINE OR PATCH.
4. FOR TECHNICAL ISSUES, CONTACT NGA NAVSAFETY,
   DSN: 547 5455, PHONE: 800 362 6289 OR
   571 557 5455, E-MAIL: [email protected] OR
   MSG TO NGA NAVSAFETY WASHINGTON D.C..
5. CANCEL HYDROPAC 171/13.

Timeline

For safe navigation use DNC GEN11A or U.Scancels · 2013-01-17
For safe navigation use DNC GEN11A or U.Sreplaced · 2013-01-17
HYDROPAC warnings in force 091000Z mar 13cancelled by · 2013-03-09

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