INW 305/26
250000 UTC MAR 2026
LA79
INDIAN NAV WARNING (INW) 305.
OFF THIRUVANANTHAPURAM
CHARTS IN 22 222 261
ROCKET LAUNCH FROM THUMBA (LAUNCHER POSITION 08-31.98N 076-52.05E)
SCHEDULED 28 AND 30 MAR 26 FROM 0530 TO 0700 UTC DAILY (.) DANGER SECTOR FROM
LAUNCHER (A) RADIUS OF 05 NM BETWEEN AZIMUTH 190 AND 300 (B) BETWEEN RADII OF
05 NM AND 75 NM AND AZIMUTH 220 AND 260 (.) WIDE BERTH FROM AREA ADVISED
INW 304/26
250000 UTC MAR 2026
HA06,JA95
INDIAN NAV WARNING (INW) 304.
OFF MUMBAI
CHARTS IN 21 293
HYDROGRAPHIC SURVEY WILL BE CARRIED OUT FROM 30 MAR TO 15 APR 26 IN AREAS
BOUNDED BY (A) 18-43N 071-55E, 18-43N 072-05E, 18-35N 072-05E, 18-35N 071-55E (B) 18-19N
071-20E, 18-19N 071-40E, 18-00N 071-40E, 18-00N 071-20E
INW 303/26
250000 UTC MAR 2026
QA72
INDIAN NAV WARNING (INW) 303.
OFF VISAKHAPATNAM
CHARTS IN 31 354 391
EXPERIMENTAL FLIGHT TRIALS SCHEDULED 30 MAR TO 01 APR 26 FROM 0330 TO 0730
UTC DAILY IN DANGER AREA BOUNDED BY 17-29.33N 083-36.92E, 17-27.37N 083-35.95E, 17-
28.28N 083-33.90E, 17-30.23N 083-34.87E (.) WIDE BERTH FROM AREA ADVISED
INW 302/26
250000 UTC MAR 2026
HA05
INDIAN NAV WARNING (INW) 302.
CHARTS IN 21 292
RIG MOVE (.) ADMARINE 9 (18-18.63N 072-21.82E), VIVEKANAND 2 (20-08.99N 071-48.25E),
DISCOVERY 1 (19-10.88N 072-07.03E)
INW 301/26
250000 UTC MAR 2026
JA94
INDIAN NAV WARNING (INW) 301.
MORMUGAO
CHARTS IN 22 214 293
FIRING SCHEDULED 30 MAR 26 FROM 0330 TO 0730 UTC IN DANGER AREA BOUNDED
WITHIN 15-15.50N TO 15-25N AND 073-37E TO 073-47.33E
INW 300/26
240000 UTC MAR 2026
QA71
INDIAN NAV WARNING (INW) 300.
OFF KAKINADA
CHARTS IN 354 391
FIRING SCHEDULED 25 AND 26 MAR 26 FROM 0030 TO 0830 UTC DAILY IN DANGER AREA
BOUNDED WITHIN 16-50N TO 17-00N AND 083-35E TO 083-46E
INW 299/26
240000 UTC MAR 2026
QA70
INDIAN NAV WARNING (INW) 299.
OFF VISAKHAPATNAM
CHARTS IN 308 354 391
RADAR CALIBRATION BY NAVAL SHIPS SCHEDULED 240630 TO 261230 UTC MAR 26 IN
DANGER AREA BOUNDED BY 17-37.88N 083-17.65E, 17-40.08N 083-19.15E, 17-40.17N 083-
17.71E, 17-38.90N 083-16.45E (.) WIDE BERTH FROM AREA ADVISED
INW 298/26
240000 UTC MAR 2026
HA04,JA93
INDIAN NAV WARNING (INW) 298.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
TUG SAGAR PRINCE AND BARGE SAGAR 251 WILL CARRY OUT PIPELINE REPLACEMENT
WORK FROM 25 MAR TO 23 APR 26 IN AREAS BOUNDED BY (A) 19-42.24N 071-06.01E, 19-
41.85N 071-35.72E, 19-10.57N 071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-42.55E, 20-
44.92N 072-21.08E, 20-01.08N 072-20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-41.55E, 19-
41.27N 072-09.72E, 18-56.33N 072-20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-09.45E, 18-
47.29N 072-24.17E, 18-25.96N 072-23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-58.71E, 18-
39.27N 071-03.38E, 18-34.58N 071-03.33E, 18-34.63N 070-58.65E
INW 297/26
240000 UTC MAR 2026
QA69
INDIAN NAV WARNING (INW) 297.
OFF KAKINADA
CHARTS IN 31 7706
FIRING SCHEDULED 280300 TO 311200 UTC MAR 26 IN DANGER AREA BOUNDED BY 16-
37.5N 084-41.2E, 13-53.8N 087-47.4E, 12-22.8N 086-09.8E, 15-26.8N 082-58.3E
INW 296/26
230000 UTC MAR 2026
HA03
INDIAN NAV WARNING (INW) 296.
CHARTS IN 207 253 292
RIG MOVE (.) SAGAR GAURAV 20-52.01N 071-28.06E
INW 295/26
230000 UTC MAR 2026
HA02
INDIAN NAV WARNING (INW) 295.
OFF MUMBAI TO DAMAN
CHARTS IN 21 255 292
FUGRO MAPPER WILL CARRY OUT PIPELINE REPLACEMENT WORK FROM 24 MAR TO 12
APR 26 IN AREAS BOUNDED BY (A) 19-41.07N 071-06.86E, 19-40.69N 071-36.43E, 19-12.14N 071-
35.97E, 19-12.52N 071-06.49E (B) 19-24.28N 071-55.82E, 19-23.94N 072-16.01E, 19-08.52N 072-
15.70E, 19-08.86N 071-55.54E (C) 18-36.49N 072-10.51E, 18-36.34N 072-19.25E, 18-29.63N 072-
19.12E, 18-29.78N 072-10.39E
INW 294/26
230000 UTC MAR 2026
LA78
INDIAN NAV WARNING (INW) 294.
OFF ALAPPUZHA
CHARTS IN 221 260 2032
IFB ISWARYAM REPORTED SUNK IN APPROXIMATE POSITION 08-58N 076-28E
INW 293/26
230000 UTC MAR 2026
QA68
INDIAN NAV WARNING (INW) 293.
OFF VISAKHAPATNAM
CHARTS IN 31 354 391
UNDERWATER PRACTICE FIRING SCHEDULED 24 TO 27 MAR 26 FROM 0030 TO 1030 UTC
DAILY IN DANGER AREAS BOUNDED BY (A) 17-23N 083-31.40E, 17-17.80N 083-31.40E, 17-
17.80N 083-36.60E, 17-23N 083-36.60E (B) 17-16.40N 083-27.80E, 17-06N 083-39E, 16-55.40N 083-
28E, 17-06N 083-16.60E (C) 17-29.50N 083-56.30E, 17-29.50N 084-09E, 17-17.20N 084-09E, 17-
17.20N 083-56.30E
INW 292/26
230000 UTC MAR 2026
HA01
INDIAN NAV WARNING (INW) 292.
OFF KARANJA I
CHARTS IN 292 2016 2076
PARA JUMPING SCHEDULED 240400 TO 241030 UTC AND 252300 TO 260100 UTC MAR 26 IN
DANGER AREA BOUNDED BY 18-55.75N 072-54.13E, 18-56.51N 072-55E, 18-55.88N 072-55.78E,
18-54.81N 072-54.98E
INW 290/26
230000 UTC MAR 2026
HA99
INDIAN NAV WARNING (INW) 290.
CHARTS IN 211 255
RIG MOVE (.) VIRTUE 1 (18-32.70N 072-13.98E)
INW 289/26
220000 UTC MAR 2026
HA98
INDIAN NAV WARNING (INW) 289.
CHARTS IN 21 255 292
RIG MOVE (.) RON TAPPMEYER 18-51.86N 072-51.25E
INW 286/26
200000 UTC MAR 2026
HA97, JA92
INDIAN NAV WARNING (INW) 286.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
NAND SARTHI, DHP SHIVALIK, TUG SHIVALI II AND DUMB BARGE KM 180 WILL CARRY
OUT PIPELINE REPLACEMENT WORK FROM 21 MAR TO 19 APR 26 IN AREAS BOUNDED BY
(A) 19-42.24N 071-06.01E, 19-41.85N 071-35.72E, 19-10.57N 071-35.22E, 19-10.95N 071-05.61E (B)
20-45.60N 071-42.55E, 20-44.92N 072-21.08E, 20-01.08N 072-20.14E, 20-01.74N 071-41.78E (C) 19-
41.75N 071-41.55E, 19-41.27N 072-09.72E, 18-56.33N 072-20.11E, 18-56.97N 071-40.94E (D) 18-
47.55N 072-09.45E, 18-47.29N 072-24.17E, 18-25.96N 072-23.75E, 18-26.21N 072-09.06E (E) 18-
39.32N 070-58.71E, 18-39.27N 071-03.38E, 18-34.58N 071-03.33E, 18-34.63N 070-58.65E
INW 285/26
200000 UTC MAR 2026
VA57
INDIAN NAV WARNING (INW) 285.
DUNCAN PASSAGE
CHARTS IN 41 405 473
FIRING PRACTICE SCHEDULED 23 TO 26 MAR 26 FROM 0330 TO 0530 UTC AND 0830 TO 0930
UTC DAILY IN DANGER AREA BOUNDED BY 11-15N 092-30E, 11-20N 092-55E, 11-05N 092-55E,
11-00N 092-30E
INW 284/26
200000 UTC MAR 2026
HA96
INDIAN NAV WARNING (INW) 284.
CHARTS IN 21 255 292
RIG MOVE (.) JINDAL STAR 19-19.40N 071-17.78E, ABAN IV 19-23.15N 071-19.92E
INW 283/26
200000 UTC MAR 2026
QA65
INDIAN NAV WARNING (INW) 283.
OFF VISAKHAPATNAM
CHARTS IN 31 308 354
EXPERIMENTAL FLIGHT TRIALS SCHEDULED 24 TO 27 MAR 26 FROM 0430 TO 0830 UTC
DAILY IN DANGER AREAS BOUNDED BY (A) 17-49.82N 083-33.57E, 17-33.42N 083-38.12E, 17-
38.87N 084-00.47E, 17-57.38N 083-49.33E (B) 17-29.33N 083-36.92E, 17-27.37N 083-35.95E, 17-
28.28N 083-33.9E, 17-30.23N 083-34.87E (.) WIDE BERTH FROM AREA ADVISED
INW 279/26
180000 UTC MAR 2026
HA94
INDIAN NAV WARNING (INW) 279.
CHARTS IN 21 255 292
LTB 300 AND AHT MARIA 1 WILL CARRY OUT PIPELINE REPLACEMENT WORK FROM 20
MAR TO 31 MAY 26 AT 19-34.42N 071-21.78E
INW 278/26
180000 UTC MAR 2026
HA93,JA91,LA76,OA30,QA62,SA63,VA56
INDIAN NAV WARNING (INW) 278.
NAVTEX WARNINGS IN FORCE AS ON 18 MAR 2026
2023 SERIES - 583
2024 SERIES - 500 573 589 779 917
2025 SERIES - 543 590 767 784 916 930
2026 SERIES - 043 044 049 084 086 087 092 100 126 128 158 159 160 168 169 178
179 180 186 187 188 189 190 192 196 197 198 208 209 211 216 217 218 236 237
242 244 246 249 250 251 257 259 260 261 262 263 265 267 268 269 270 272 273
274 275 276 277
(A) TEXT OF INDIAN NAV WARNINGS(INW) INFORCE INCLUDING THOSE WHICH NO
LONGER BROADCAST AVAILABLE IN WWW.HYDROBHARAT.GOV.IN.
INW 277/26
180000 UTC MAR 2026
VA55
INDIAN NAV WARNING (INW) 277.
OFF GREAT NICOBAR I
CHARTS IN 41 471
UNDERWATER FIRING SCHEDULED 231831 UTC TO 291829 UTC MAR 26 IN DANGER AREA
BOUNDED BY 07-16.55N 094-20.10E, 06-41.06N 094-01.73E, 06-33.38N 094-32.03E, 07-06.26N 094-
57.51E
INW 276/26
180000 UTC MAR 2026
HA92
INDIAN NAV WARNING (INW) 276.
CHARTS IN 21 292
RIG MOVE (.) JINDAL SUPREME (18-24.56N 070-39.65E), DS FORTUNE (19-29.91N 071-24.65E),
VIVEKANAND 1 (20-05.60N 071-48.56E)
INW 274/26
180000 UTC MAR 2026
HA90
INDIAN NAV WARNING (INW) 274.
OFF DAMAN
CHARTS IN 21 292
LTS 3000 AND BRITOIL 81 WILL CARRY OUT CONSTRUCTION ACTIVITES FROM 20 TO 31
MAR 26 IN VICINITY OF 20-36.01N 072-02.13E, 20-02.96N 071-45.71E, 19-31.78N 071-18.15E
INW 273/26
180000 UTC MAR 2026
JA90
INDIAN NAV WARNING (INW) 273.
OFF MORMUGAO
CHARTS IN 22 293 7705
FIRING SCHEDULED 240001 UTC TO 271530 UTC MAR 26 IN DANGER AREA BOUNDED BY
14-49.15N 073-20.39E, 14-16N 073-36.09E, 14-16N 074-25E, 13-46N 074-33E, 13-46N 073-23.14E, 13-
44N 073-18E, 14-00N 072-26E, 14-33N 071-26E, 15-15N 070-18E, 16-15N 068-37E, 16-48N 069-33E,
17-23N 070-35E, 16-52N 071-33E, 16-24N 072-09E, 15-48.19N 072-48.21E, 14-56N 073-07.19E
INW 272/26
180000 UTC MAR 2026
OA29
INDIAN NAV WARNING (INW) 272.
OFF CHENNAI
CHARTS IN 32 356 391
FIRING BY CG AIRCRAFT SCHEDULED 23 AND 27 MAR 26 FROM 0130 TO 1130 UTC IN
DANGER AREA BOUNDED WITHIN 12-49N TO 12-59N AND 080-46E TO 081-26E
INW 270/26
170000 UTC MAR 2026
HA88,JA88
INDIAN NAV WARNING (INW) 270.
OFF MUMBAI TO DAMAN
CHARTS IN 21 292
TUG SANGITA WILL CARRY OUT PIPELINE REPLACEMENT WORK FROM 18 MAR TO 12 APR
26 IN AREAS BOUNDED BY (A) 20-28.83N 071-13.96E, 20-27.49N 072-30.63E, 20-00.35N 072-
27.73E, 20-01N 071-14.34E (B) 19-43.57N 071-02.99E, 19-42.47N 072-17.18E, 19-09.06N 072-16.52E,
19-10.14N 071-02.57E (C) 18-44.11N 072-04.61E, 18-43.75N 072-25.32E, 18-21.48N 072-24.88E, 18-
21.83N 072-04.22E
INW 269/26
170000 UTC MAR 2026
QA59
INDIAN NAV WARNING (INW) 269.
OFF KAKINADA
CHARTS IN 31 355 391
GANESH WILL CARRY OUT SURVEY OF OFFSHORE PIPELINES FROM 20 TO 31 MAR 26 IN
AREA BOUNDED BY 16-20.80N 082-07.14E, 16-26.24N 082-04.20E, 16-31.86N 082-09.72E, 16-
33.06N 082-14.60E, 16-33.50N 082-18.53E, 16-32.68N 082-18.98E, 16-26.11N 082-16.18E (.) 02 NM
BERTH REQUESTED
INW 268/26
170000 UTC MAR 2026
OA27
INDIAN NAV WARNING (INW) 268.
SRIHARIKOTA
CHARTS IN 32 313 356
INTEGRATED AIR DROP TESTS SCHEDULED 21 MAR TO 04 APR 26 FROM 0030 TO 0500 UTC
IN DANGER AREA BOUNDED BY 13-38.17N 080-08.92E, 13-42N 080-08.92E, 13-42N 080-14.50E,
13-52N 080-20E, 13-52N 080-50E, 13-10N 080-50E, 13-10N 080-36E, 13-26.50N 080-22E, 13-26.50N
080-18E
INW 267/26
160000 UTC MAR 2026
HA87
INDIAN NAV WARNING (INW) 267.
OFF MUMBAI TO DAMAN
CHARTS IN 21 292
WILCHIEF 1 WILL CARRY OUT PIPELINE REPLACEMENT WORK FROM 17 MAR TO 15 APR
26 IN AREAS BOUNDED BY (A) 19-43.57N 071-02.99E, 19-42.47N 072-17.18E, 19-09.06N 072-
16.52E, 19-10.14N 071-02.58E (B) 20-28.83N 071-13.96E, 20-27.49N 072-30.63E, 20-00.35N 072-
27.73E, 20-01N 071-14.34E
INW 263/26
160000 UTC MAR 2026
SA61
INDIAN NAV WARNING (INW) 263.
OFF BALESHWAR
CHARTS IN 31 351 7706
EXPERIMENTAL FLIGHT TRIALS SCHEDULED 20, 23 TO 27 MAR 26 FROM 0330 TO 1230 UTC
DAILY IN DANGER AREA BOUNDED BY (A) 20-57N 086-54E (B) 21-13N 087-23E (C) 21-31N 087-
42E (D) 21-41N 087-45E AND THEN ALONG COASTLINE TO POINT A (.) WIDE BERTH FROM
AREA ADVISED
INW 259/26
140000 UTC MAR 2026
QA56
INDIAN NAV WARNING (INW) 259.
CHARTS IN 31 355
RIG MOVE (.) ABAN II 16-21.60N 081-56.17E
INW 257/26
130000 UTC MAR 2026
HA85
INDIAN NAV WARNING (INW) 257.
CHARTS IN 253 255 292
RIG MOVE (.) JT ANGEL 19-33.08N 071-21.27E
INW 251/26
130000 UTC MAR 2026
HA82
INDIAN NAV WARNING (INW) 251.
CHARTS IN 255 292
RIG MOVE (.) JINDAL EXPLORER 19-21.46N 071-50.13E
INW 250/26
130000 UTC MAR 2026
HA81
INDIAN NAV WARNING (INW) 250.
OFF DAMAN
CHARTS IN 254 292
EMERALD WILL CARRY OUT PIPELINE REPLACEMENT WORK FROM 15 MAR TO 30 APR 26
IN VICINITY OF 20-36.02N 072-02.23E, 20-20.13N 072-01.32E, 20-16.76N 071-55.65E, 20-13.31N
071-54.79E, 20-08.39N 071-53.13E, 20-02.96N 071-45.71E, 20-09.65N 071-48.42E
INW 249/26
130000 UTC MAR 2026
HA80,JA85
INDIAN NAV WARNING (INW) 249.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
AHT MARIGOLD AND DUMB BARGE AQUA FLOAT WILL CARRY OUT PIPELINE
REPLACEMENT WORK FROM 16 MAR TO 14 APR 26 IN AREAS BOUNDED BY (A) 19-42.24N
071-06.01E, 19-41.85N 071-35.72E, 19-10.57N 071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-
42.55E, 20-44.92N 072-21.08E, 20-01.08N 072-20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-
41.55E, 19-41.27N 072-09.72E, 18-56.33N 072-20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-
09.45E, 18-47.29N 072-24.17E, 18-25.96N 072-23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-
58.71E, 18-39.27N 071-03.38E, 18-34.58N 071-03.33E, 18-34.63N 070-58.65E
INW 242/26
120000 UTC MAR 2026
HA76,JA84
INDIAN NAV WARNING (INW) 242.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
DLB KENENNA, URJA, ZD LIBRA, AND SHAKTI WILL CARRY OUT PIPELINE REPLACEMENT
WORK FROM 13 MAR TO 11 APR 26 IN AREAS BOUNDED BY (A) 19-42.24N 071-06.01E, 19-
41.85N 071-35.72E, 19-10.57N 071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-42.55E, 20-
44.92N 072-21.08E, 20-01.08N 072-20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-41.55E, 19-
41.27N 072-09.72E, 18-56.33N 072-20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-09.45E, 18-
47.29N 072-24.17E, 18-25.96N 072-23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-58.71E, 18-
39.27N 071-03.38E, 18-34.58N 071-03.33E, 18-34.63N 070-58.65E
INW 237/26
110000 UTC MAR 2026
HA74
INDIAN NAV WARNING (INW) 237.
CHARTS IN 21 254 292
RIG MOVE (.) ABAN VIII 20-45.25N 071-46.52E, DIVINE DRILLER 21-03N 072-23E, ABAN III 19-
38N 071-21.73E
INW 236/26
110000 UTC MAR 2026
HA73
INDIAN NAV WARNING (INW) 236.
OFF MUMBAI TO DAMAN
CHARTS IN 21 292
ORION LAXMI WILL CARRY OUT SURVEY FOR PIPELINE REPLACEMENT WORK FROM 13
MAR TO 12 APR 26 IN AREAS BOUNDED BY (A) 20-53.22N 071-57.95E, 20-40.48N 072-30.54E,
20-00.87N 072-27.20E, 20-01.4N 071-37.98E, 20-28.44N 071-39.02E (B) 19-41.07N 071-06.86E, 19-
40.69N 071-36.43E, 19-12.14N 071-35.97E, 19-12.52N 071-06.49E (C) 19-24.29N 071-55.82E, 19-
23.94N 072-16.01E, 19-08.52N 072-15.71E, 19-08.86N 071-55.54E
INW 218/26
090000 UTC MAR 2026
HA72
INDIAN NAV WARNING (INW) 218.
OFF MUMBAI
CHARTS IN 211 255 292
IFB SEA PRINCESS REPORTED SUNK IN APPROXIMATE POSITION 19-04.9N 072-44.9E
INW 217/26
070000 UTC MAR 2026
HA71
INDIAN NAV WARNING (INW) 217.
CHARTS IN 21 255 292
RIG MOVE (.) SAGAR RATNA 19-21.43N 071-17.07E
INW 216/26
070000 UTC MAR 2026
HA70
INDIAN NAV WARNING (INW) 216.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
TUG IVY AND BARGE ALAACRITY 333 WILL CARRY OUT PIPELINE REPLACEMENT WORK
FROM 09 MAR TO 07 APR 26 IN AREAS BOUNDED BY (A) 19-42.24N 071-06.01E, 19-41.85N 071-
35.72E, 19-10.57N 071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-42.55E, 20-44.92N 072-
21.08E, 20-01.08N 072-20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-41.55E, 19-41.27N 072-
09.72E, 18-56.33N 072-20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-09.45E, 18-47.29N 072-
24.17E, 18-25.96N 072-23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-58.71E, 18-39.27N 071-
03.38E, 18-34.58N 071-03.33E, 18-34.63N 070-58.65E
INW 211/26
060000 UTC MAR 2026
HA69
INDIAN NAV WARNING (INW) 211.
CHARTS IN 208 254 292
HYDROGRAPHIC SURVEY WILL BE CARRIED OUT FROM 10 MAR TO 20 APR 26 IN AREAS
BOUNDED BY (A) 21-03.90N 072-39E, 21-10.90N 072-39E, 21-10.90N 072-43.70E, 21-09.20N 072-
43.70E, 21-09.20N 072-45E, 21-07.80N 072-45E, 21-07.80N 072-43.70E, 21-03.90N 072-43.70E (B) 21-
35.70N 072-29.80E, 21-42.30N 072-29.80E, 21-42.30N 072-34.50E, 21-35.70N 072-34.50E
INW 198/26
020000 UTC MAR 2026
SA51,QA39
INDIAN NAV WARNING (INW) 198.
OFF GOPALPUR
CHARTS IN 31 305 353
ARMY AIR DEFENCE FIRING SCHEDULED 041831 UTC TO 151829 UTC AND 191831 UTC TO
311829 UTC MAR 26 IN DANGER AREA BOUNDED BY (A) 19-14.60N 084-53.70E (B) 19-07.39N
085-35.94E (C) 18-33.61N 084-53.74E AND ARC OF 41 NM RADIUS JOINING POINT B AND C
INW 197/26
020000 UTC MAR 2026
JA78
INDIAN NAV WARNING (INW) 197.
OFF BELEKERI
CHARTS IN 215 216 257
HYDROGRAPHIC SURVEY WILL BE CARRIED OUT FROM 05 TO 31 MAR 26 IN AREA
BOUNDED BY 14-35N 073-58.20E, 14-40.60N 073-58.20E, 14-40.60N 074-06.80E, 14-38.70N 074-
06.80E, 14-38.70N 074-18E, 14-35N 074-18E
INW 196/26
020000 UTC MAR 2026
HA64,JA77
INDIAN NAV WARNING (INW) 196.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
AHT ZD AQUARIUS WILL CARRY OUT OFFSHORE INSTALLATION WORK FROM 03 MAR TO
01 APR 26 IN AREAS BOUNDED BY (A) 19-42.24N 071-06.01E, 19-41.85N 071-35.72E, 19-10.57N
071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-42.55E, 20-44.92N 072-21.08E, 20-01.08N 072-
20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-41.55E, 19-41.27N 072-09.72E, 18-56.33N 072-
20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-09.45E, 18-47.29N 072-24.17E, 18-25.96N 072-
23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-58.71E, 18-39.27N 071-03.38E, 18-34.58N 071-
03.33E, 18-34.63N 070-58.65E
INW 192/26
270000 UTC FEB 2026
LA65
INDIAN NAV WARNING (INW) 192.
OFF KOZHIKODE
CHARTS IN 219 259 2053
SHANMUKHA CSD IV REPORTED SUNK IN APPROXIMATE POSITION 11-15.52N 075-42.21E
AT 270505 UTC FEB 26 (.) MARINERS TO EXERCISE CAUTION
INW 190/26
270000 UTC FEB 2026
SA50,QA37
INDIAN NAV WARNING (INW) 190.
OFF KAKINADA
CHARTS IN 31 7706
OCEANIC SIRIUS WILL CARRY OUT SEISMIC SURVEY FROM 02 MAR TO 12 APR 26 IN AREA
BOUNDED BY 16-59N 084-32E, 16-59N 087-1E, 15-59N 087-1E, 15-32N 086-33E, 15-32N 085-16E,
14-57N 085-16E, 14-57N 084-3E, 16-59N 084-3E (.) 05 NM BERTH REQUESTED
INW 189/26
270000 UTC FEB 2026
HA63
INDIAN NAV WARNING (INW) 189.
OFF MUMBAI TO DAMAN
CHARTS IN 21 292
VANESSA 7 WILL CARRY OUT SEABED SURVEY FROM 01 TO 31 MAR 26 IN VICINITY OF 19-
38N 071-21.73E, 20-08.99N 071-48.25E, 19-00.48N 072-09.07E, 19-29.83N 071-19.49E, 19-18.85N
071-24.94E, 19-24.65N 071-13.07E, 19-18.55N 071-27.53E, 19-11.99N 072-11E, 18-45.23N 072-18E,
19-07.79N 071-59.92E, 18-24.56N 070-39.65E, 20-14.62N 072-05.77E (.) 01 NM BERTH REQUESTED
INW 188/26
270000 UTC FEB 2026
HA62
INDIAN NAV WARNING (INW) 188.
CHARTS IN 255 292
RIG MOVE (.) KEY SINGAPORE 19-31.84N 071-24.92E
INW 187/26
270000 UTC FEB 2026
HA61
INDIAN NAV WARNING (INW) 187.
OFF DAMAN
CHARTS IN 21 292
AHT BRITOIL 71 WILL CARRY OUT WELLHEAD PLATFORM AND PIPELINE CONSTRUCTION
ACTIVITIES FROM 01 TO 31 MAR 26 IN VICINITY OF 20-02.96N 071-45.71E, 19-31.78N 071-
18.15E
INW 180/26
260000 UTC FEB 2026
VA38
INDIAN NAV WARNING (INW) 180.
OFF MYANMAR
CHARTS IN 41 7706
HYDROGRAPHIC SURVEY WILL BE CARRIED OUT FROM 01 MAR TO 10 APR 26 IN AREAS
BOUNDED BY (A) 13-04.90N 097-43.90E, 13-04.90N 098-30.10E, 14-05.60N 098-30.10E, 14-05.60N
097-43.90E (B) 13-58.49N 095-00.89E, 13-46.99N 095-01E, 12-53.60N 095-40.19E, 12-53.45N 096-50E,
13-58.70N 096-48.99E (.) 2.5 NM BERTH REQUESTED
INW 179/26
260000 UTC FEB 2026
HA58
INDIAN NAV WARNING (INW) 179.
OFF MUMBAI
CHARTS IN 21 255 292
VANESSA 6 WILL CARRY OUT SURVEY FOR PIPELINE ROUTE FROM 01 TO 31 MAR 26 IN
VICINITY OF 19-24.05N 071-18.90E, 19-22.48N 071-21.59E, 19-13.68N 071-26.89E, 19-16.71N 071-
25.57E, 19-31.76N 071-22.37E, 19-34.43N 071-21.64E, 19-26.19N 071-18.51E, 19-22.48N 071-21.59E,
19-16.75N 071-25.63E, 19-18.55N 071-27.53E, 19-31.81N 071-18.06E, 19-12.83N 072-06.73E (.) 01 NM
BERTH REQUESTED
INW 178/26
260000 UTC FEB 2026
LA62
INDIAN NAV WARNING (INW) 178.
KOCHI
CHARTS IN 22 220 259
FIRING SCHEDULED (A) 02, 09, 16, 23 AND 30 MAR 26 FROM 0900 TO 1200 UTC (B) 06, 13, 20
AND 27 MAR 26 FROM 0900 TO 1200 UTC AND 1230 TO 1430 UTC IN DANGER AREA
BOUNDED BY 09-57.60N 076-14.50E, 09-47.40N 076-16.60E, 09-46.80N 076-11.60E, 09-50N 076-
07.60E
INW 168/26
200000 UTC FEB 2026
HA57, JA73
INDIAN NAV WARNING (INW) 168.
OFF MUMBAI TO DAMAN
CHARTS IN 21 254 255 292
RAWABI OPAL, RESILIANT, VALLIANZ PRELUDE, VISTA 9, VICTORIA 251, SEAMAC III AND
TRITON ENERGY WILL CARRY OUT OFFSHORE INSTALLATION WORKS FROM 22 FEB TO 26
MAR 26 IN AREAS BOUNDED BY (A) 19-42.24N 071-06.01E, 19-41.85N 071-35.72E, 19-10.57N
071-35.22E, 19-10.95N 071-05.61E (B) 20-45.60N 071-42.55E, 20-44.92N 072-21.08E, 20-01.08N 072-
20.14E, 20-01.74N 071-41.78E (C) 19-41.75N 071-41.55E, 19-41.27N 072-09.72E, 18-56.33N 072-
20.11E, 18-56.97N 071-40.94E (D) 18-47.55N 072-09.45E, 18-47.29N 072-24.17E, 18-25.96N 072-
23.75E, 18-26.21N 072-09.06E (E) 18-39.32N 070-58.71E, 18-39.27N 071-03.38E, 18-34.58N 071-
03.33E, 18-34.63N 070-58.65E
INW 126/26
040000 UTC FEB 2026
HA34
INDIAN NAV WARNING (INW) 126.
CHARTS IN 21 255 292
RIG MOVE (.) TRIDENT 2 (19-19.57N 071-02.13E)
INW 100/26
290000 UTC JAN 2026
HA23
INDIAN NAV WARNING (INW) 100.
CHARTS IN 211 255 2016
RIG MOVE (.) SAGAR BHUSHAN 18-45.73N 072-36.80E
INW 87/26
250000 UTC JAN 2026
HA20
INDIAN NAV WARNING (INW) 087.
CHARTS IN 207 253 2100
RIG MOVE (.) ADMARINE 11 (20-51.85N 071-28.53E)
INW 86/26
240000 UTC JAN 2026
VA23
INDIAN NAV WARNING (INW) 086.
CHARTS IN 41 471
RIG MOVE (.) DDKG-1 (07-38.80N 095-14.98E)
INW 84/26
230000 UTC JAN 2026
LA41
INDIAN NAV WARNING (INW) 084.
OFF ALAPPUZHA
CHARTS IN 22 7706
HYDROGRAPHIC SURVEY WILL BE CARRIED OUT FROM 27 JAN TO 31 MAR 26 IN AREAS
BOUNDED BY (A) 09-25.85N 076-11.90E, 09-25.85N 076-20.90E, 09-32.85N 076-20.90E, 09-32.85N
076-11.90 (B) 08-59.30N 076-27.90E, 09-16.85N 076-18.25E, 09-24.60N 076-10.75E, 09-32.20N 076-
10.75E, 09-32.20N 075-25.35E, 09-35.15N 075-25.35E, 09-35.15N 075-23E, 08-45.50N 075-23E, 08-
45.50N 076-41.40E, 08-49.05N 076-38.80E, 08-49.05N 076-23E, 08-59.35N 076-23E
INW 49/26
140000 UTC JAN 2026
OA94
INDIAN NAV WARNING (INW) 049.
CHARTS IN 32 357 3044
PUDUCHERRY LT RACON ‘D’ AND DGNSS STATION (11-54.99N 079-49.85E) NOT
FUNCTIONAL
INW 44/26
130000 UTC JAN 2026
LA34
INDIAN NAV WARNING (INW) 044.
CHARTS IN 223 261 262
MUTTAM POINT LT RACON M AND NAVTEX STATION (08-07N 077-19E) NOT FUNCTIONAL
INW 43/26
130000 UTC JAN 2026
HA97
INDIAN NAV WARNING (INW) 043.
OFF DAMAN
CHARTS IN 254 292
OIL RIG DEEP SEA MATDRILL (IMO 8755053) REPORTED AGROUND IN APPROXIMATE
POSITION 20-12.18N 072-01.83E (.) MARINERS TO EXERCISE CAUTION
INW 930/25
240000 UTC DEC 2025
VA11
INDIAN NAV WARNING (INW) 930.
CHARTS IN 405 406 473
SOUTH SENTINEL LT (10-58.83N 092-13.53E) UNLIT
INW 916/25
210000 UTC DEC 2025
JA20
INDIAN NAV WARNING (INW) 916.
OFF BHATKAL
CHARTS IN 216 257 2356
FISHING BOAT MYSHA II REPORTED SUNK IN APPROXIMATE POSITION 14-06N 074-16E AT
20 DEC 25 (.) MARINERS TO EXERCISE CAUTION
INW 784/25
170000 UTC NOV 2025
VA89
INDIAN NAV WARNING (INW) 784.
CHARTS IN 405 4016 473
NETAJI SUBHASH CHANDRA BOSE I LT (11-40.90N 092-45.99E) UNLIT
INW 767/25
110000 UTC NOV 2025
OA65
INDIAN NAV WARNING (INW) 767.
NAGAPATTINAM
CHARTS IN 32 357 3007
DGNSS (10-45.95N 079-51.01E) TRANSMISSION OFF AIR
INW 590/25
210000 UTC AUG 2025
HA43
INDIAN NAV WARNING (INW) 590.
OFF MUMBAI
CHARTS IN 211 2015 2016
SUNKEN TRAWLER REPORTED IN APPROXIMATE POSITION 18-53.65N 072-51.89E (.)
MARINERS TO EXERCISE CAUTION
INW 543/25
240000 UTC JUL 2025
JA62
INDIAN NAV WARNING (INW) 543.
KARWAR
CHARTS IN 22 215 257 2010 7706
MAIN CHANNEL MARKING BUOYS R4 (14-44.67N 074-07.42E), R6 (14-44.98N 074-07.42E) AND
ALTERNATE CHANNEL BUOYS G15 (14-43.01N 074-10.35E), R16 (14-43.46N 074-10.24E)
REPORTED MISSING
INW 917/24
300000 UTC DEC 2024
QA91
INDIAN NAV WARNING (INW) 917.
OFF VISAKHAPATNAM
CHARTS IN 31 308
SINGLE POINT MOORING BUOY (17-45N 083-48E) UNLIT
INW 779/24
050000 UTC NOV 2024
HA33
INDIAN NAV WARNING (INW) 779.
GULF OF KACHCHH
CHARTS IN 21 203 2068
DHANI BUOY (22-36.80N 069-27.50E) UNLIT
INW 589/24
260000 UTC JUL 2024
JA 21
INDIAN NAV WARNING (INW) 589.
MORMUGAO PORT
CHARTS IN 22 214 2078
BUOY NO 3 (15-24.96N 073-46.15E) REPORTED MISSING (.) VIRTUAL BUOY (X-BAND)
ESTABLISHED TILL BUOY IS REPLACED
INW 573/24
190000 UTC JUL 2024
JA15
INDIAN NAV WARNING (INW) 573.
MORMUGAO PORT
CHARTS IN 22 214 2078
BUOY NO 2 (15-24.95N 073-45.10E) RECOVERED FOR REPAIRS (.) VIRTUAL BUOY (X-RAY
BAND) ESTABLISHED TILL BUOY IS RELAID
INW 500/24
110000 UTC JUN 2024
JA 03
INDIAN NAV WARNING (INW) 500.
KARWAR PORT
CHARTS IN 257 2008 2120
BUOY (14-48.77N 074-06.57E) REPORTED MISSING
INW 583/23
250000 UTC AUG 2023
JA92
INDIAN NAV WARNING (INW) 583.
KARWAR
CHARTS IN 22 215 257 2010 7706
CHANEL MARKING BUOY G1 (14-44.43N 074-07.58E) MISSING (.) CHANEL MARKING BUOY
G5 (14-45.64N 074-07.58E) SUBMERGED