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Master-Nav: COLREGS IALA Tests

Peterjohn Chisholm
Practice Maritime Rules Daily
Open in App Store ↗
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FRfr-FRGBen-GBCAen-CAIEen-GBUAen-GBAEen-GBAFen-GBALen-GBAMen-GBATde-DEAUen-AUAZen-GBBAen-GBBEen-GBBGen-GBBHen-GBBMen-GBBNen-GBBTen-GBBYen-GBCHde-CHCNzh-Hans-CNCYen-GBCZen-GBDEde-DEDKen-GBEEen-GBEGen-GBESes-ESFIen-GBFJen-GBFMen-GBGEen-GBGRen-GBHKzh-Hant-HKHRen-GBHUen-GBIDen-GBILen-GBINen-GBIQen-GBISen-GBITitJOen-GBJPjaKGen-GBKHen-GBKRkoKWen-GBKZen-GBLAen-GBLBen-GBLKen-GBLTen-GBLUen-GBLVen-GBMDen-GBMEen-GBMKen-GBMMen-GBMNen-GBMOzh-Hant-HKMRen-GBMTen-GBMVen-GBMYen-GBNLnlNOen-GBNPen-GBNRen-GBNZen-AUOMen-GBPGen-GBPHen-GBPKen-GBPLen-GBPTpt-PTPWen-GBQAen-GBROen-GBRSen-GBRUruSAen-GBSBen-GBSEsvSGen-GBSIen-GBSKen-GBTHen-GBTJen-GBTMen-GBTOen-GBTRen-GBTWzh-Hant-TWUSen-USUZen-GBVNen-GBVUen-GBXKen-GBYEen-GBZAen-GB
101 of 101 storefronts
Content in en-US
1 Ratings
5.0
★★★★★
Age Rating
4+
Years
Developer
Peterjohn Chisholm
Language
EN
Size
320
MB

Information

Apple ID6758554000
Bundle IDeu.pjcc.navmaster.colregsiala.tests
SellerSeller
Min iOS17.6
Min macOS14.6
Device familiesiphone
Released2026-03-20
Copyright© 2021 - Master-Nav - Peterjohn Chisholm
WebsiteLink ↗
Privacy policyLink ↗

Preview 1 platform

iPhone 8 images

iPhone screenshot
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What’s New Version 1.5

ROR International, Inland and IALA MBS exam practice tool, developed by a Master Mariner. Test your knowledge of the rules.

Description

Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience. Test your knowledge of the USCG Navigation Rules and IALA Maritime Buoyage System — the regulations every mariner needs to know. A straightforward way to find out where you stand, identify gaps in your knowledge and track your progress over time. Master COLREGS & IALA — the easy way.

Accessibility

ipadiphonemacrealityDevicetvoswatch

Version history 6 versions

Build 886956651v1.52026-06-15 14:44:46
ROR International, Inland and IALA MBS exam practice tool, developed by a Master Mariner. Test your knowledge of the rules.
Build 886352923v1.42026-05-31 23:18:38
Improved navigation-light graphics and animations on the vessel identification questions, plus a few display fixes and refinements.
Build 885213786v1.32026-05-04 00:23:45
Q100 and Q300 mock exams matching the structure of actual USCG NMC releases — plus 400+ new questions added to the bank, including 223 illustration-based questions.
Build 884395325v1.22026-04-11 18:19:37
New Rule 18 drag-to-order vessel priority questions, UI improvements and bug fixes.
Build 884072939v1.12026-04-02 20:41:03
Updated graphics for Part D : sound signals.
Build 882039081v1.02026-03-20 09:38:15

No pricing data captured yet — comparisons appear once the app has paid storefronts or in-app purchases.

Availability 101 of 101 storefronts

RegionLanguagePriceRatingsAvgVersion
FR fr-FRFree25.01.5
GB en-GBFree25.01.5
CA en-CAFree15.01.5
IE en-GBFree15.01.5
UA en-GBFree15.01.5
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CH de-CHFree0—1.5
CN zh-Hans-CNFree0—1.5
CY en-GBFree0—1.5
CZ en-GBFree0—1.5
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EG en-GBFree0—1.5
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UZ en-GBFree0—1.5
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ZA en-GBFree0—1.5

Change log 10 changes · CA

✎
releaseNotes updated
ROR International, Inland and IALA MBS exam practice tool, developed by a Master Mariner. Test your knowledge of the rules.
✎
description updated
Master-Nav: COLREGS IALA Tests is a free practice app developed by a Master Mariner with 30 years of seagoing experience. Test your knowledge of the USCG Navig
✎
subtitle updated
Practice Maritime Rules Daily
✎
name updated
Master-Nav: COLREGS IALA Tests
◆
Version 1.5 released
ROR International, Inland and IALA MBS exam practice tool, developed by a Master Mariner. Test your knowledge of the rules.
◆
Version 1.4 released
Improved navigation-light graphics and animations on the vessel identification questions, plus a few display fixes and refinements.
◆
Version 1.3 released
Q100 and Q300 mock exams matching the structure of actual USCG NMC releases — plus 400+ new questions added to the bank, including 223 illustration-based questions.
◆
Version 1.2 released
New Rule 18 drag-to-order vessel priority questions, UI improvements and bug fixes.
◆
Version 1.1 released
Updated graphics for Part D : sound signals.
◆
Version 1.0 released
expanded screenshot