Bay of Bengal
IHO sea area 43 · 79° to 95° E, 6° to 24° N
- in force
- 4
- last 12 months
- 45
- since 1999
- 3,610
- categories
- 12
In force now · 4
- HYDROPAC 2326/26 · Exercises2026-08-13Hazardous operations are being conducted daily in the Bay of Bengal, India, from 17 to 26 August, 01:30Z to 14:30Z, within a specified area.
- HYDROPAC 2187/26 · Exercises2026-07-31Hazardous operations occur daily from 0001Z to 1600Z August 1-31 except Fridays and Saturdays in four areas of the Bay of Bengal, Bangladesh.
- HYDROPAC 1931/26 · Nav aids2026-07-06The radar beacon at Dolphin Nose Light in Bay of Bengal at 17-40.50N 083-17.70E is inoperative.
- HYDROPAC 1237/26 · Nav aids2026-04-24A buoy is established in the Bay of Bengal off India at 14-05.21N 080-28.50E.
Longest in force
- HYDROPAC 1237/26 · Nav aids2026-04-24A buoy is established in the Bay of Bengal off India at 14-05.21N 080-28.50E.
- HYDROPAC 1931/26 · Nav aids2026-07-06The radar beacon at Dolphin Nose Light in Bay of Bengal at 17-40.50N 083-17.70E is inoperative.
- HYDROPAC 2187/26 · Exercises2026-07-31Hazardous operations occur daily from 0001Z to 1600Z August 1-31 except Fridays and Saturdays in four areas of the Bay of Bengal, Bangladesh.
- HYDROPAC 2326/26 · Exercises2026-08-13Hazardous operations are being conducted daily in the Bay of Bengal, India, from 17 to 26 August, 01:30Z to 14:30Z, within a specified area.
By year
99
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
By month (all years)
J
F
M
A
M
J
J
A
S
O
N
D
By category · since 1997
| Exercises | 2,263 | 63% |
| Surveys | 358 | 10% |
| Cable ops | 311 | 9% |
| Nav aids | 205 | 6% |
| Derelicts | 201 | 6% |
| Missiles | 127 | 4% |
| Other | 77 | 2% |
| Wrecks | 38 | 1% |
| Debris | 11 | 0% |
| Containers | 11 | 0% |
| Piracy | 7 | 0% |
| Towing | 1 | 0% |
Archive · 3,606 cancelled
- HYDROPAC 684/07 · Exercises2007-04-16 → 2007-04-19Hazardous operations 190230Z to 190530Z and 191230Z to 191430Z apr in area bound by 17-42N 083-18E, 17-47N…
- HYDROPAC 650/07 · Surveys2007-04-10 → 2007-04-22Hydrographic survey in progress until 21 apr by M/V nirupak in area bound by 16-49.5N 082-27.5E, 16-30.5N…
- HYDROPAC 643/07 · Exercises2007-04-09 → 2007-04-15Hazardous operations 0330Z to 1130Z daily 12 thru 14 apr within 1512 miles of 20-45N 087-05E between 157…
- HYDROPAC 617/07 · Cable ops2007-04-05 → 2007-04-16Seismic survey in progress until 25 apr by M/V zephyr-i in area bound by 19-31.9N 091-30.1E, 19-31.8N…
- HYDROPAC 615/07 · Exercises2007-04-05 → 2007-04-07Hazardous operations 0430Z to 1030Z daily 06 and 07 apr in area bound by 17-01.5N 083-36.0E, 16-47.0N…
- HYDROPAC 574/07 · Surveys2007-03-29 → 2007-10-22Geophysical survey in progress until further notice by M/V logos searcher in area bound by 16-22.0N…
- HYDROPAC 559/07 · Exercises2007-03-26 → 2007-03-31Hazardous operations 0430Z to 1030Z daily 30 and 31 mar within 216 miles of 21-15N 087-11E between 110…
- HYDROPAC 558/07 · Exercises2007-03-26 → 2007-03-29Hazardous operations 290530Z to 290730Z mar within 11 miles of 13-07.28N 080-18.11E between 045 degrees and…
- HYDROPAC 530/07 · Cable ops2007-03-23 → 2007-05-02Seismic survey in progress until 01 may by M/V c-orion towing eight 6000 meter long cables in area bound by…
- HYDROPAC 508/07 · Cable ops2007-03-19 → 2007-09-28Seismic survey in progress until further notice by M/V veritas viking II towing eight 6700 meter long cables…
- HYDROPAC 504/07 · Exercises2007-03-19 → 2007-03-23Hazardous operations 2330Z to 1230Z commencing daily 19 thru 22 mar within 42 miles of 19-14.60N 084-53.70E,…
- HYDROPAC 502/07 · Cable ops2007-03-19 → 2007-05-01Seismic survey in progress until 30 apr by M/V western monarch towing eight 7000 meter long cables in area…
- HYDROPAC 501/07 · Cable ops2007-03-19 → 2007-05-31Seismic survey in progress until 30 may by M/V geo atlantic towing eight 7200 meter long cables in area…
- HYDROPAC 479/07 · Other2007-03-15 → 2007-03-15M/V fordeco 61 and barge aqua float 300, unreported to mumbai (bombay), india (19-03N 073-01E)
- HYDROPAC 468/07 · Exercises2007-03-13 → 2007-03-15Hazardous operations 150230Z to 150530Z and 151230Z to 151430Z mar in area bound by 17-42N 083-18E, 17-47N…
- HYDROPAC 464/07 · Exercises2007-03-13 → 2007-03-15Hazardous operations 2330Z to 1230Z commencing daily 13 and 14 mar in area bound by 19-14.60N 084-53.70E,…
- HYDROPAC 429/07 · Exercises2007-03-08 → 2007-03-18Hazardous operations 0330Z to 1030Z daily 12 and 18 mar in area bound by 16-17N 083-40E, 16-56N 084-29E,…
- HYDROPAC 401/07 · Surveys2007-03-05 → 2007-03-18Hydrographic survey 10 thru 17 mar in area bound by 16-49.5N 082-27.5E, 16-30.5N 082-22.8E, 16-12.4N…
- HYDROPAC 385/07 · Nav aids2007-03-02 → 2008-03-22Odas buoy established: a. M1 19-23.05N 093-38.28E
- HYDROPAC 384/07 · Nav aids2007-03-02 → 2008-03-22Odas buoys established: a. S1 20-14.93N 092-58.70E
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.