Other
Hazardous operation 180100Z to 181000Z oct, alternate 190100Z to 191000Z oct in area within one mile of…
Gulf of Tonkin · Vietnam · HYDROPAC 3423/19
- issued
- 2019-10-17 11:09Z
- status
- cancelled 2019-10-19 11:00Z (archive)
- self-cancels
- 2019-10-19 11:00Z
- authority
- HAIPHONG RADIO 171017Z OCT 19.
- sea
- South China Sea
- position
- 18.797, 105.953 · r 1.0 nm
- source
- nga_json · first seen 2026-08-17 13:38Z
Original warning text
GULF OF TONKIN. VIETNAM. DNC 23. 1. HAZARDOUS OPERATION 180100Z TO 181000Z OCT, ALTERNATE 190100Z TO 191000Z OCT IN AREA WITHIN ONE MILE OF 18-47.83N 105-57.20E. 2. CANCEL THIS MSG 191100Z OCT 19.
Activity windows · 2 in this warning
| opens (UTC) | closes (UTC) | local | length |
|---|---|---|---|
| 2019-10-18 01:00Z | 2019-10-18 10:00Z | — | 9 h |
| 2019-10-19 01:00Z | 2019-10-19 10:00Z | — | 9 h |
Parsed from the warning text; outside these windows the area is normally not active, but the warning stays in force until cancelled.
This area · other warnings
34 within 180 nm since 2012 · 0 in the last 12 months · 0 in force now
12
15
20
23
- F/V qb 98603 ts reports crewman requiring medical assistance in 17-50.00N 107-45.00E at 102335Z jul2023-07-11
- F/V qb 98330 ts reports unconscious crewman requiring medical assistance in 17-49.00N 107-45.00E at 272330Z…2023-06-28
- F/V na 90361 ts reports crewman requiring medical assistance in 18-43.98N 106-19.11E at 200530Z dec2022-12-20
- F/V qng 98896 ts reports unconscious crewman requiring medical assistance in 17-36.00N 108-26.00E at 140500Z…2022-10-14
- F/V qb 91439TS reports crewman requiring medical assistance in 17-30N 108-40E at 212200Z jan2021-01-22
- F/V na 95052 ts reports crewman with serious head injury in vicinity 18-40N 106-50E at 151000Z feb2020-02-15
Season · when other warnings happen here
J
F
M
A
M
J
J
A
S
O
N
D
month of issue, all years in the archive
Nearby now · within 120 nm
Nothing else in force within 120 nm.
Worldwide now
34 other warnings in force · see all
Other
Everything the classifier did not place elsewhere. All current other warnings →
Not for navigation. This is a re-rendering of an official navigational warning for awareness; mariners must use official NAVAREA broadcasts and their national MSI service.