Big Brown ToolKit
Big Brown ToolKit is made and published by Stealth Productions Limited. AppBrain is an independent app data site and isn't affiliated with Stealth Productions Limited. The app name, icon, screenshots and description belong to Stealth Productions Limited and are shown as published on the App Store.
AppBrain's verdict
- Rating on App Store
- 5.00
- 6 ratings
- Last updated
- January 9, 2026
It doesn't have enough ratings yet to judge what users think.
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Releases
Updates seen on the App Store- Version
- 2.3
- Launched
- December 2023
No changelog data
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Technology
Found in the app by AppBrain- Price
- $4.99
- App size
- 24.1 MB
- Content rating
- Everyone
Technologies used by Big Brown ToolKit
About the app and developer
About Big Brown ToolKit
Big Brown ToolKit is a reference app developed by Stealth Productions Limited.
User Ratings
Big Brown ToolKit is rated 5.00 out of 5 stars. The rating is based on 6 ratings.
App Information
Big Brown ToolKit costs $4.99. The app size is 24.14 MB. The latest version available is 2.3. The last update was on January 9, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since December 2023.
Developer information for Stealth Productions Limited
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Store listing
By Stealth Productions Limited, from the App StoreDescription by Stealth Productions Limited Written by the developer, not by AppBrain. Click to read.
Features:
• Domestic and International Duty Period calc
• Required Rest calc
• Common aviation unit conversion calc
• Cross Wind and Cross Wind Limit calc
• 8 digit Runway State decoder
• SNOWTAM decoder
• Crew Rest timing calc
• Whose Segment random selector
• Late Arrival Pay calc
• Exchange Rate calc
• Meteorological Decode
• Low Temperature Altimetry calc
• Density Altitude calc
• Turn Rate/Radius calc
• Generic volume/weight fuel calc
• Sick Day Tracker
• Linear and bilinear integration tool
This ToolKit can calculate Domestic and International Duty Period limitations for the various types of operations.
The Cross Wind calc can be used to determine cross wind and head/tail wind values for a given runway and wind direction/speed along with the maximum wind strength from the set wind direction for a given cross wind limit.
The Runway State decoder can be used to quickly decode weather reports that may contain the standard 8-digit code. This can be useful for Moscow flights etc.
The SNOWTAM tool will provide assistance in decoding standard GRF SNOWTAMs.
The Meteorological Decode tool that will allow you to quickly decode significant present and forecast weather codes (i.e. +TSRA).
The Last Pushback Time calc will calculate the required pushback time to allow you to achieve an on-blocks time inside your max FDP time taking into consideration sector time and taxi times. You will also be able to set a Notification to alert you that you have passed the Last Pushback Time.
The Low Temperature Altimetry calc can be used to determine altitude corrections for MSA and approaches conducted in low temperatures.
The MEL Rectification calc will provide the expiry date for a deferred defect given the DD entry date and the rectification interval category.
The Linear and bilinear integration tool for those occasions where you have to use tables.