index

HYDROLANT warnings in force as of 291527Z dec 17: 4237/17, 4236/17, 4234/17, 4232/17, 4228/17, 4226/17,…

HYDROLANT 4238/17

issued
2017-12-29 15:36Z
status
cancelled 2018-01-05 17:30Z (archive)
cancels
HYDROLANT 3977/17HYDROLANT 3979/17HYDROLANT 3982/17HYDROLANT 3983/17HYDROLANT 3990/17HYDROLANT 3994/17HYDROLANT 4004/17HYDROLANT 4008/17HYDROLANT 4016/17HYDROLANT 4017/17HYDROLANT 4020/17HYDROLANT 4034/17HYDROLANT 4037/17HYDROLANT 4038/17HYDROLANT 4040/17HYDROLANT 4046/17HYDROLANT 4056/17HYDROLANT 4057/17HYDROLANT 4058/17HYDROLANT 4059/17HYDROLANT 4061/17HYDROLANT 4064/17HYDROLANT 4065/17HYDROLANT 4066/17HYDROLANT 4072/17HYDROLANT 4154/17
authority
SFH 291536Z DEC 17.
source
nga_json · first seen 2026-08-17 13:38Z

Original warning text

1. HYDROLANT WARNINGS IN FORCE AS OF 291527Z DEC 17:
   4237/17, 4236/17, 4234/17, 4232/17, 4228/17,
   4226/17, 4225/17, 4224/17, 4223/17, 4222/17,
   4221/17, 4220/17, 4219/17, 4217/17, 4216/17,
   4213/17, 4211/17, 4210/17, 4209/17, 4208/17,
   4206/17, 4205/17, 4204/17, 4203/17, 4202/17,
   4198/17, 4197/17, 4196/17, 4195/17, 4194/17,
   4193/17, 4192/17, 4189/17, 4188/17, 4186/17,
   4185/17, 4178/17, 4176/17, 4172/17, 4170/17,
   4168/17, 4167/17, 4162/17, 4157/17, 4151/17,
   4149/17, 4148/17, 4143/17, 4135/17, 4129/17,
   4127/17, 4125/17, 4124/17, 4122/17, 4121/17,
   4117/17, 4111/17, 4110/17, 4108/17, 4104/17,
   4095/17, 4094/17, 4088/17, 4086/17, 4051/17,
   4035/17, 4028/17, 4023/17, 4011/17, 3961/17,
   3948/17, 3946/17, 3944/17, 3920/17, 3909/17,
   3897/17, 3890/17, 3839/17, 3831/17, 3830/17,
   3829/17, 3828/17, 3781/17, 3778/17, 3765/17,
   3762/17, 3750/17, 3743/17, 3728/17, 3687/17,
   3680/17, 3674/17, 3665/17, 3638/17, 3595/17,
   3536/17, 3501/17, 3450/17, 3418/17, 3358/17,
   3345/17, 3301/17, 3256/17, 3254/17, 3193/17,
   3155/17, 3154/17, 3069/17, 3001/17, 3000/17,
   2993/17, 2992/17, 2991/17, 2990/17, 2989/17,
   2986/17, 2985/17, 2984/17, 2896/17, 2770/17,
   2714/17, 2713/17, 2712/17, 2711/17, 2669/17,
   2644/17, 2595/17, 2571/17, 2518/17, 2467/17,
   2259/17, 2081/17, 1863/17, 1721/17, 1706/17,
   1569/17, 1492/17, 1437/17, 1316/17, 1263/17,
   1019/17, 793/17, 87/17, 27/17, 6/17, 5/17, 4/17.
   861/16.
   1390/13.
2. THE COMPLETE TEXT OF ALL IN-FORCE HYDROLANT
   BROADCAST WARNINGS ARE AVAILABLE ON THE NGA
   MARITIME SAFETY INFORMATION WEBSITE AT:
   msi.nga.mil/NGAPortal/MSI.portal.
   ALTERNATIVELY, THESE MAY BE REQUESTED BY E-MAIL
   FROM NGA AT [email protected].
3. CANCEL HYDROLANT 3977/17, 3979/17, 3982/17,
   3983/17, 3990/17, 3994/17, 4004/17, 4008/17,
   4016/17, 4017/17, 4020/17, 4034/17, 4037/17,
   4038/17, 4040/17, 4046/17, 4056/17, 4057/17,
   4058/17, 4059/17, 4061/17, 4064/17, 4065/17,
   4066/17, 4072/17, 4154/17.

Timeline

Nearby now · within 120 nm

Nothing else in force within 120 nm.

Worldwide now

8 index warnings in force

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.