MARICO supplies a wide range of Marine Signal Flags for commercial vessels, offshore vessels and ship fleets, including International Code of Signals flags, numeral pennants, substitute pennants and other maritime flags required for onboard signalling and identification.
Why choose MARICO?
✓ Wide range of marine signal flags
Alphabet Flags, Numeral Pennants, Substitute Pennants, Answering Pennant and other maritime flags.
✓ Custom dimensions available
Flag sizes can be supplied according to vessel requirements and intended application.
✓ Individual or complete sets
Order only what you need or equip vessels with complete signal flag sets.
✓ Suitable for marine applications
Manufactured with construction and finishing appropriate for outdoor and marine use.
✓ Fleet supply support
Consolidated supply according to vessel, flag type, quantity and specifications.
MARICO can supply the main categories of International Signal Flags, including:
- Alphabet Flags (A–Z)
- Numeral Pennants (0–9)
- Substitute Pennants
- Answering Pennant
- Other maritime signal and identification flags upon request
Signal flags may be used individually or in combinations, depending on the intended message and the applicable signalling procedures.
| Flag | Name | Meaning when used singly |
| A – Alfa | Alfa | I have a diver down; keep well clear at slow speed. |
| B – Bravo | Bravo | I am taking in, discharging or carrying dangerous goods. |
| C – Charlie | Charlie | Yes / Affirmative. |
| D – Delta | Delta | Keep clear of me; I am manoeuvring with difficulty. |
| E – Echo | Echo | I am altering my course to starboard. |
| F – Foxtrot | Foxtrot | I am disabled; communicate with me. |
| G – Golf | Golf | I require a pilot. |
| H – Hotel | Hotel | I have a pilot on board. |
| I – India | India | I am altering my course to port. |
| J – Juliett | Juliett | I am on fire and have dangerous cargo; keep well clear. |
| K – Kilo | Kilo | I wish to communicate with you. |
| L – Lima | Lima | You should stop your vessel instantly. |
| M – Mike | Mike | My vessel is stopped and making no way through the water. |
| N – November | November | No / Negative. |
| O – Oscar | Oscar | Man overboard. |
| P – Papa | Papa | All persons should report on board; vessel is about to proceed to sea. |
| Q – Quebec | Quebec | My vessel is healthy and I request free pratique. |
| S – Sierra | Sierra | I am operating astern propulsion. |
| V – Victor | Victor | I require assistance. |
| W – Whiskey | Whiskey | I require medical assistance. |
| Y – Yankee | Yankee | I am dragging my anchor. |
| Z – Zulu | Zulu | I require a tug. |
Depending on the application, the following specifications can be customized:
- Flag type: Alphabet Flags, Numeral Pennants, Substitute Pennants, Answering Pennant and other maritime flags.
- Dimensions: Custom-made according to customer and vessel requirements.
- Fabric/material: Selected for outdoor use and marine environments.
- Edge finishing: Reinforced stitching and hemmed edges for improved durability.
- Hoisting arrangement: Rope, rope-and-toggle, eyelets or other configurations according to the vessel’s flag-hoisting system.
- Colour and pattern: Produced according to the designated signal flag design.
- Supply format: Individual flags, selected sets or complete sets for vessel fleets.
- Fleet orders: Packing and supply can be arranged by vessel, flag type and quantity for easier onboard inventory management.
MA RI Maritime Trading & Services Co., Ltd. Head Office: 183C/5P Ton That Thuyet St., Vinh Hoi Ward, Ho Chi Minh City
Offices and Stores
– Northern Region: 1423 Ngo Gia Tu St., Hai An Ward, Hai Phong City
– Southern Region: 389 Dao Tri St., Phu Thuan Ward, Ho Chi Minh City
– Central Region: 239 National Highway 1A, Binh Son Commune, Quang Ngai Province
Phone: (028) 3636 1640 / 090 3000 231









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