# 737 Master Caution

> for Classic, NG and MAX series

Canonical page: [https://chrome-stats.com/d/com.lagoo.mastercaution](https://chrome-stats.com/d/com.lagoo.mastercaution)

## Overview

- **ID:** `com.lagoo.mastercaution`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Studio BabDreams
- **Category:** EDUCATION
- **Downloads:** 5,376
- **Version:** 1.3
- **Last updated:** 2025-07-02
- **First published:** 2024-03-18
- **Publisher country:** FR
- **Size:** 11 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.lagoo.mastercaution)
- **Website:** [http://www.babdreams.com](http://www.babdreams.com/)
- **Privacy policy:** [http://www.babdreams.com/privacy/](http://www.babdreams.com/privacy/)

## Description

"737 Master Caution" is an Android app designed for pilots and aviation enthusiasts that references over 200 warning lights and messages from the B737 Classic, NG, and MAX aircraft families. The app allows users to group warning lights by FCOM chapters, filter by airplane family, perform full-text searches, add personal notes, and bookmark specific lights. With over 300 abbreviations defined, it's a valuable tool for initial type rating training and refresher courses. For training purposes only. Enjoy!

## Rankings

- #699,145 — Overall

## Permissions and access

### Permissions

- `android.permission.INTERNET`
- `com.lagoo.mastercaution.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.lagoo.mastercaution)