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 366/04 · Cable ops2004-02-26 → 2004-03-21Seismic survey in progress until 20 mar by M/V teknik kembara towing 1500 meter long cable in area bound by…
- HYDROPAC 365/04 · Cable ops2004-02-26 → 2004-04-01Seismic survey in progress until 31 mar by M/V pacific sword towing 9000 meter long cable in area bound by…
- HYDROPAC 342/04 · Nav aids2004-02-23 → 2004-02-25Dgps station at paradip light 20-15.3N 086-39.4E off air 250030Z to 251230Z feb
- HYDROPAC 315/04 · Exercises2004-02-18 → 2004-02-23Hazardous operations 0430Z to 1030Z daily 21 thru 23 feb within 185 miles of 21-22N 086-56E
- HYDROPAC 300/04 · Exercises2004-02-16 → 2004-02-19Hazardous operations 190230Z to 190530Z and 191230Z to 191430Z feb in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 223/04 · Cable ops2004-02-05 → 2004-03-12Seismic survey in progress until 03 apr by M/V cgg amadeus towing eight 7000 meter long cables in area bound…
- HYDROPAC 222/04 · Cable ops2004-02-05 → 2004-02-24Seismic survey in progress until 23 feb by M/V teknik kembara towing 4000 meter long cable in area bound by…
- HYDROPAC 194/04 · Exercises2004-01-30 → 2004-02-05Hazardous operations 050130Z to 050630Z feb in area bound by 17-42.2N 083-18.6E, 17-42.1N 083-29.9E,…
- HYDROPAC 141/04 · Exercises2004-01-24 → 2004-01-28Hazardous operations 0330Z to 1030Z daily 27 and 28 jan within 185 miles of 21-22.0N 086-56.0E
- HYDROPAC 112/04 · Other2004-01-21 → 2004-01-23M/V frixos reports crewman with serious burns requiring medical assistance in 05-56N 089-27E at 210300Z jan
- HYDROPAC 109/04 · Exercises2004-01-20 → 2004-01-24Hazardous operations 0330Z to 1030Z daily 23 and 24 jan within 55 miles of 21-22.0N 086-56.0E
- HYDROPAC 100/04 · Exercises2004-01-20 → 2004-01-22Hazardous operations 220130Z to 220630Z jan in area bound by 17-42.2N 083-18.6E, 17-42.1N 083-29.9E,…
- HYDROPAC 68/04 · Exercises2004-01-14 → 2004-01-15Hazardous operations 150230Z to 150530Z and 151230Z to 151430Z jan in area bound by 17-42.2N 083-18.6E,…
- HYDROPAC 65/04 · Cable ops2004-01-14 → 2004-02-26Seismic survey in progress until further notice by M/V pacific sword towing 8000 meter long cable in area…
- HYDROPAC 27/04 · Cable ops2004-01-07 → 2004-01-26Seismic survey 08 thru 25 jan by M/V teknik kembara towing 1500 meter long cable in area bound by 15-40.3N…
- HYDROPAC 9/04 · Exercises2004-01-02 → 2004-01-14Hazardous operations 0930Z to 1200Z daily 07 thru 14 jan within 50 miles of 13-47.7N 080-14.0E
- HYDROPAC 2236/03 · Exercises2003-12-27 → 2004-01-01Hazardous operations 010230Z to 010530Z and 011230Z to 011430Z jan in area bound by 17-41.2N 083-18.6E,…
- HYDROPAC 2224/03 · Cable ops2003-12-24 → 2004-02-03Seismic survey in progress until 02 feb by M/V cgg amadeus towing eight 7000 meter long cables in area bound…
- HYDROPAC 2205/03 · Exercises2003-12-20 → 2003-12-24Hazardous operations 0030Z to 1230Z daily 23 and 24 dec in area bound by 19-14.6N 084-53.7E, 19-10.5N…
- HYDROPAC 2201/03 · Derelicts2003-12-19 → 2003-12-23Derelict 78 meter M/V nand kawas, black and white hull, adrift vicinity 15-21.2N 081-03.0E at 160540Z dec
Sea boundaries: Flanders Marine Institute (2018), IHO Sea Areas v3, marineregions.org (CC BY 4.0). Not for navigation — follow official NAVAREA / coastal broadcasts.