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 759/04 · Exercises2004-04-28 → 2004-04-30Hazardous operations 300200Z to 300600Z apr in area bound by 17-28N 083-43E, 17-43N 083-56E, 17-28N 084-16E,…
- HYDROPAC 724/04 · Cable ops2004-04-23 → 2004-05-22Seismic survey in progress until 22 may by M/V cgg amadeus towing eight 5000 meter long cables in area bound…
- HYDROPAC 723/04 · Exercises2004-04-23 → 2004-05-12Hazardous operations 0930Z to 1200Z daily 28 apr thru 12 may within 45 miles of 13-41.7N 080-14.0E
- HYDROPAC 714/04 · Cable ops2004-04-22 → 2004-06-06Seismic survey in progress until 05 jun by c-explorer towing 6000 meter long cable in area bound by 18-12.4N…
- HYDROPAC 709/04 · Exercises2004-04-21 → 2004-04-26Hazardous operations 0030Z to 1230Z daily 24 thru 26 apr in area bound by 19-14.6N 084-53.6E, 19-11.6N…
- HYDROPAC 656/04 · Exercises2004-04-12 → 2004-04-15Hazardous operations 150230Z to 150530Z and 151230Z to 151430Z apr in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 620/04 · Surveys2004-04-06 → 2004-05-11Underwater operations in progress until 16 oct along trackline between 16-57N 082-34E and 17-07N 082-43E
- HYDROPAC 598/04 · Exercises2004-04-02 → 2004-04-08Hazardous operations 0030Z to 1230Z daily 06 thru 08 apr in area bound by 19-14.6N 084-53.6E, 19-11.6N…
- HYDROPAC 588/04 · Cable ops2004-03-31 → 2004-04-21Seismic survey in progress until 20 apr by M/V teknik kembara towing 1500 meter and 4000 meter long cables…
- HYDROPAC 575/04 · Exercises2004-03-29 → 2004-04-01Hazardous operations 010230Z to 010530Z apr in area bound by 17-42.2N 083-18.6E, 17-42.1N 083-29.9E,…
- HYDROPAC 541/04 · Exercises2004-03-25 → 2004-03-26Hazardous operations 260030Z to 261230Z mar in area bound by 19-14.6N 084-53.6E, 19-11.6N 084-51.4E,…
- HYDROPAC 500/04 · Exercises2004-03-18 → 2004-03-21Hazardous operations 0430Z to 1030Z daily 19 thru 21 mar within 185 miles of 21-22N 086-56E
- HYDROPAC 484/04 · Exercises2004-03-15 → 2004-03-18Hazardous operations 180230Z to 180530Z and 181230Z to 181430Z mar in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 466/04 · Cable ops2004-03-12 → 2004-04-16Seismic survey in progress until 15 apr by M/V cgg amadeus towing eight 5000 meter long cables in area bound…
- HYDROPAC 459/04 · Cable ops2004-03-10 → 2004-04-04Seismic survey in progress until 03 apr by M/V geco emerald towing eight three mile long cables in area…
- HYDROPAC 446/04 · Nav aids2004-03-09 → 2004-03-10Dgps station at pondicherry light 11-55.1N 079-49.9E off air 100030Z to 101230Z mar
- HYDROPAC 445/04 · Exercises2004-03-09 → 2004-03-11Hazardous operations 110530Z to 110730Z mar within 11 miles of 13-07.3N 080-18.1E
- HYDROPAC 444/04 · Cable ops2004-03-09 → 2004-03-21Seismic survey in progress until 20 mar by M/V cgg fohn towing 5100 meter long cable in area bound by…
- HYDROPAC 407/04 · Exercises2004-03-05 → 2004-03-09Hazardous operations 090030Z to 091230Z mar in area bound by 19-14.6N 084-53.6E, 19-11.6N 084-51.4E,…
- HYDROPAC 392/04 · Exercises2004-03-03 → 2004-03-04Hazardous operations 040230Z to 040530Z and 041230Z to 041430Z mar in area bound by 17-42.2N 083-18.6E,…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.