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 422/05 · Exercises2005-03-09 → 2005-03-11Hazardous operations 0130Z to 1630Z daily 10 and 11 mar within 60 miles of 15-50.5N 080-29.5E between 100…
- HYDROPAC 421/05 · Surveys2005-03-09 → 2005-04-05Survey operations in progress until 04 apr by M/V logos searcher in area bound by 11-31.3N 079-53.5E,…
- HYDROPAC 417/05 · Exercises2005-03-09 → 2005-03-12Hazardous operations 0030Z to 1230Z daily 10 thru 12 mar in area bound by 19-14.6N 084-53.6E, 19-11.6N…
- HYDROPAC 387/05 · Other2005-03-02 → 2005-10-05Pipelaying operations in progress until further notice along trackline between 20-14.1N 086-36.6E and…
- HYDROPAC 385/05 · Exercises2005-03-02 → 2005-03-03Hazardous operations 030230Z to 030530Z mar and 031230Z to 031430Z mar in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 383/05 · Nav aids2005-03-02 → 2005-06-16Odas buoy established in 13-10.0N 080-23.6E
- HYDROPAC 378/05 · Exercises2005-03-01 → 2005-03-06Hazardous operations 0530Z to 1030Z daily 04 thru 06 mar in area bound by 17-29.9N 083-18.2E, 17-56.7N…
- HYDROPAC 364/05 · Cable ops2005-02-26 → 2005-07-03Seismic survey in progress until 11 jul by M/V pacific sword towing two 4800 meter long cables in area bound…
- HYDROPAC 348/05 · Surveys2005-02-24 → 2005-05-13Survey operations in progress until 12 may by M/V geco topaz towing eight 6500 meter long cables in area…
- HYDROPAC 337/05 · Nav aids2005-02-23 → 2006-11-21RACON (k) established at madras light 13-02.4N 080-16.7E
- HYDROPAC 330/05 · Exercises2005-02-22 → 2005-02-24Hazardous operations 240530Z to 240730Z feb within 11 miles of 13-07.1N 080-18.7E between 045 degrees and…
- HYDROPAC 327/05 · Exercises2005-02-22 → 2005-02-26Hazardous operations 0030Z to 1230Z daily 25 and 26 feb in area bound by 19-14.6N 084-53.6E, 19-11.6N…
- HYDROPAC 326/05 · Surveys2005-02-22 → 2005-04-13Geophysical survey in progress until further notice by M/V coastal hunter in 21-07.1N 088-00.5E
- HYDROPAC 297/05 · Surveys2005-02-17 → 2005-03-23Underwater operations in progress until further notice by vessel dredge IX in area bound by 21-27.5N…
- HYDROPAC 266/05 · Surveys2005-02-11 → 2005-02-19Survey operations in progress until 18 feb by M/V mariner in area bound by 16-39N 082-24E 16-42N 082-24E,…
- HYDROPAC 252/05 · Exercises2005-02-09 → 2005-02-12Hazardous operations 0030Z to 1230Z daily 11 and 12 feb in area bound by 19-14.6N 084-53.6E, 19-11.6N…
- HYDROPAC 230/05 · Exercises2005-02-04 → 2005-02-15Hazardous operations 0001Z to 1430Z daily 07 thru 15 feb in area bound by 14-26N 084-08E, 15-36N 082-54E,…
- HYDROPAC 200/05 · Derelicts2005-01-31 → 2005-02-07Derelict F/V partially submerged and adrift in 17-38.4N 083-23.2E
- HYDROPAC 159/05 · Cable ops2005-01-26 → 2005-04-26Seismic survey in progress until further notice by M/V cgg amadeus towing eight four mile long cables in…
- HYDROPAC 47/05 · Exercises2005-01-07 → 2005-01-14Hazardous operations 09 thru 13 jan in area bound by 15-36N 082-54E, 16-29N 083-48E, 15-17N 085-01E, 14-25N…
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.