# CH16 — Maritime Safety Companion

> Maritime safety companion with global rescue contacts, distress messaging, and passage planning. (iPhone/iPad app by Global SAR Hub.)

- Source: https://appshunter.io/ios/app/ch16/id6761360179 (this page in markdown: same URL + `.md`)
- Developer: [Global SAR Hub](https://appshunter.io/developer/1888797457)
- Category: Navigation, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 80 MB
- Languages: American English
- Released: 2026-04-09
- Data updated: 2026-08-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ch16/id6761360179/reviews.md

## What is CH16?

CH16 by Global SAR Hub is the essential maritime safety app for every seafarer.

Instantly access contact details for over 350 maritime rescue coordination centers (MRCC, MRSC, JRCC, JRSC) worldwide. View Search and Rescue Regions (SRR) on an interactive map and identify the center responsible for your current position in real time.

Generate IMO/GMDSS-compliant MAYDAY and PAN PAN distress messages with audio playback. Activate Man Overboard (MOB) mode to record a GPS position and guide you back to the drop point.

NEW - Passage Plan: declare your route and automatically notify all rescue centers along your way, in their own language. An essential step for your safety at sea.

Get notifications when you cross into a new SRR zone. Save your vessel and captain information to automatically include them in your messages and passage plans. Available in 6 languages. Works offline.

Key features:
• Global directory of 350+ maritime rescue centers
• Interactive SRR zone map with automatic detection
• GMDSS-compliant MAYDAY / PAN PAN message generator
• Audio playback of distress messages
• Man Overboard mode with GPS tracking and DMD format
• Real-time MOB map view
• Passage Plan: multilingual voyage declaration to RCCs
• Persistent vessel and captain profiles
• Voice recording of vessel name
• SRR zone change notifications
• Multilingual country search
• 6 languages: EN, FR, ES, PT, IT, DE
• Full offline mode

Terms of Use (EULA): https://www.globalsarhub.com/terms-of-use.html
Privacy Policy: https://www.globalsarhub.com/privacy-policy.html

## Key features

- Global maritime rescue center directory
- Interactive SRR zone map
- GMDSS-compliant distress message generator
- Man Overboard (MOB) mode with GPS tracking
- Passage Plan for voyage declaration
- Offline functionality
- Multilingual support

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| CH16 Pro | $0.99 | per month |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| CH16 Pro Lifetime | $4.99 | one-time |


## Recent user reviews (3 of 3)

All indexed reviews: https://appshunter.io/ios/app/ch16/id6761360179/reviews.md

### 5/5 — Incroyable

*2026-04-15*

Très bonne initiative, répond à un besoin essentiel que j’avais en navigation. Hâte de voir la suite

### 5/5 — Une application très utile à avoir sur son téléphone !!

*2026-04-11*

L’application est qualitative et intuitive. Je recommande vivement.

**Developer response:** Merci Estelle, ça fait vraiment plaisir à lire. 
On a mis beaucoup de soin dans l'interface pour que l'information soit accessible rapidement, même sous le stress.

### 5/5 — Amazing

*2026-04-11*

Amazing

**Developer response:** Thank you so much, really glad you like it.

## Frequently asked questions about CH16

### What is CH16?

CH16 is a maritime safety companion app designed to provide seafarers with essential tools for emergencies and voyage planning. It offers a global directory of rescue centers, distress message generation, and Man Overboard functionality.

### Does CH16 work offline?

Yes, CH16 is designed to work fully offline, ensuring critical safety features are accessible even without an internet connection. This includes access to the global directory and distress message generation.

### How does the Passage Plan feature in CH16 work?

The Passage Plan feature allows users to declare their route and automatically notify all rescue centers along their way in their own language. This proactive notification is an essential step for enhancing safety at sea.

### What languages does CH16 support?

CH16 is available in 6 languages: English (EN), French (FR), Spanish (ES), Portuguese (PT), Italian (IT), and German (DE). This multilingual support ensures accessibility for a wide range of users.

### What devices is CH16 available on?

CH16 is available on iPhone, iPad, and iPod devices. It is designed to be compatible with Apple's iOS ecosystem.

### How often is CH16 updated?

The latest version of CH16 is 1.0.2, and it was last updated on June 30, 2026. Updates typically focus on improving features and maintaining the accuracy of the global rescue center data.

### What is the age rating for CH16?

CH16 has an age rating of 4+. This indicates that the content is generally suitable for all ages, with no significant mature themes.

### What are the subscription options for CH16?

CH16 offers a subscription plan called 'CH16 Pro' for $0.99 per month (P1M). This subscription likely unlocks additional features or benefits beyond the free version.

## Version history (last 4 releases)

### 1.0.3 — 2026-08-15

• Updated worldwide rescue center directory (contact details refreshed)
• Fixed map pins opening the wrong center page
• 7-day free trial now available for CH16 Pro

### 1.0.2 — 2026-06-30

• Notifications: receive important information and alerts from Global SAR Hub.
• Passage Plan: before sending, the list of relevant Rescue Coordination Centers (MRCC) is shown, with a confirmation step. Home port added.
• Passage Plan history: review your declarations, edit them, mark a voyage as ended, or cancel them.
• Multiple vessel profiles: manage several boats and choose the one to use.
• Clearer EPIRB / PLB labels.
• Completed translations, stability improvements and bug fixes.

Fair winds and safe seas with CH16!

### 1.0.1 — 2026-04-10

• Improved SRR zone detection on tap
• Fixed Man Overboard map markers (now visible)
• Updated rescue center contact information

### 1.0 — 2026-04-10

No release notes.

## More apps by Global SAR Hub

- [NAVLITE](https://appshunter.io/ios/app/navlite/id6783084123)

All apps by Global SAR Hub: https://appshunter.io/developer/1888797457

## Related topics

[nautilus lifeline](https://appshunter.io/ios/topics/nautilus-lifeline) · [offshore rescue app](https://appshunter.io/ios/topics/offshore-rescue-app) · [gt orcas](https://appshunter.io/ios/topics/gt-orcas)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-24.*