Big Brown ToolKit2.3 - App Store
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Publisher Description
This ToolKit is intended to assist aircrew in their day to day activities.
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.
Version History Update to 'Contact Times' tool 2.3 Jan 9 Bug fix in new 'Contact Times' tool 2.2 Jan 7 This version now contains a 'Contact Times' tool to enable calculation of when your required to respond to calls and when you are not to be contacted during layovers 2.1 Jan 6 This version includes an updated Cross Wind Calculator that will store previously entered values to allow for quicker and easier recalculation of cross winds for the same runway. It also include minor big and performance fixes. 1.28 03/16/2025 - Bug fix to Domestic Duty Time calculator
- Improved Cargo Position View 1.27 11/07/2024 Addition of 'Date / Time Decode' tool. This tool allows simple and quick conversions of DTG from UTC to local and local to UTC.
Addition information for Domestic Peak Duty period payments 1.26 10/29/2024 Minor changes to various tools 1.25 10/07/2024 Bug fix to Cross Wind Calculator - manual Gust input 1.24 09/17/2024 Bug fix to cross wind calculator and gust factors for Vref 1.23 08/21/2024 Addition of a simple FAA logbook to track flights and easily track recency requirements. 1.22 07/31/2024 - Improved Sick Leave Tracker tool. The tool will now inform the user to check the accrued sick leave after Jan 15 each year to account for sick leave payouts.
- Updated Cross Wind Calculator to provide clearer information of actual winds
- New Working Reserve Days Off pay calculator 1.21 07/15/2024 Amendment to the Premium Pay Code tool for Double Crew grievances 1.20 06/01/2024 Upgraded 'Generic Fuel Load Calculator' to account for JET A and user inputted Specific Gravity (SG) 1.19 05/09/2024 Addition of a Premium Pay code tool to easily decode pay codes 1.18 05/04/2024 This version includes a new tool that will display cargo positions for the various aircraft types. 1.17 05/02/2024 This version has updated display for the 'Sick Leave Tracker' tool to make it clearer as to how and when sick leave is accrued and which pay period entries will be made in. 1.16 03/18/2024 This version now includes a 'Creeping Delay' tool to calculate and track delays against Hard Maximum Duty limit and 20hr 'creeping' duty limit. 1.15 03/11/2024 Layout improvements to 'Cloud Tops Calculator' tool 1.14 03/04/2024 Inclusion of:
- Cloud Tops Calculator - using weather radar tilt angle 1.13 03/03/2024 This version includes:
- Addition of a 'Distance Calculator' between two lat/long coordinates in nm.
- Improvement to the 'Abbreviation & Definition' tool
- Improvement to the 'Cross Wind Calculator' to determine Vref given mean winds and gusts 1.12 02/20/2024 This version adds an Abbreviation tool and fixes a bug in the LAP Calculator 1.11 02/14/2024 Addition of:
- DG Segregation tool
- Improved Sick Leave Tracker tool. This tool now tracks hours accrued, credited and used per pay period 1.10 02/06/2024 Addition of the following tools:
- 'Minimum Landing Field Length' calculator of the A300
- 3D Geometry calculator 1.9 02/01/2024 Minor bug fix to Rest Alarm / Timer tools. It would freeze on multiple returns from the background 1.8 01/29/2024 Addition of the following tools:
- Cloud Base Est. calculator
- ISA deviation calculator
- Rest Alarm / Timer 1.7 01/26/2024
About Big Brown ToolKit
The company that develops Big Brown ToolKit is Stealth Productions Limited. The latest version released by its developer is 2.3.
To install Big Brown ToolKit on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-14 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the Big Brown ToolKit as malware if the download link is broken.
How to install Big Brown ToolKit on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the Big Brown ToolKit is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After Big Brown ToolKit is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.3
posted on 2026-10-14
Version History Update to 'Contact Times' tool 2.3 Jan 9 Bug fix in new 'Contact Times' tool 2.2 Jan 7 This version now contains a 'Contact Times' tool to enable calculation of when your required to respond to calls and when you are not to be contacted during layovers 2.1 Jan 6 This version includes an updated Cross Wind Calculator that will store previously entered values to allow for quicker and easier recalculation of cross winds for the same runway. It also include minor big and performance fixes. 1.28 03/16/2025 - Bug fix to Domestic Duty Time calculator
- Improved Cargo Position View 1.27 11/07/2024 Addition of 'Date / Time Decode' tool. This tool allows simple and quick conversions of DTG from UTC to local and local to UTC.
Addition information for Domestic Peak Duty period payments 1.26 10/29/2024 Minor changes to various tools 1.25 10/07/2024 Bug fix to Cross Wind Calculator - manual Gust input 1.24 09/17/2024 Bug fix to cross wind calculator and gust factors for Vref 1.23 08/21/2024 Addition of a simple FAA logbook to track flights and easily track recency requirements. 1.22 07/31/2024 - Improved Sick Leave Tracker tool. The tool will now inform the user to check the accrued sick leave after Jan 15 each year to account for sick leave payouts.
- Updated Cross Wind Calculator to provide clearer information of actual winds
- New Working Reserve Days Off pay calculator 1.21 07/15/2024 Amendment to the Premium Pay Code tool for Double Crew grievances 1.20 06/01/2024 Upgraded 'Generic Fuel Load Calculator' to account for JET A and user inputted Specific Gravity (SG) 1.19 05/09/2024 Addition of a Premium Pay code tool to easily decode pay codes 1.18 05/04/2024 This version includes a new tool that will display cargo positions for the various aircraft types. 1.17 05/02/2024 This version has updated display for the 'Sick Leave Tracker' tool to make it clearer as to how and when sick leave is accrued and which pay period entries will be made in. 1.16 03/18/2024 This version now includes a 'Creeping Delay' tool to calculate and track delays against Hard Maximum Duty limit and 20hr 'creeping' duty limit. 1.15 03/11/2024 Layout improvements to 'Cloud Tops Calculator' tool 1.14 03/04/2024 Inclusion of:
- Cloud Tops Calculator - using weather radar tilt angle 1.13 03/03/2024 This version includes:
- Addition of a 'Distance Calculator' between two lat/long coordinates in nm.
- Improvement to the 'Abbreviation & Definition' tool
- Improvement to the 'Cross Wind Calculator' to determine Vref given mean winds and gusts 1.12 02/20/2024 This version adds an Abbreviation tool and fixes a bug in the LAP Calculator 1.11 02/14/2024 Addition of:
- DG Segregation tool
- Improved Sick Leave Tracker tool. This tool now tracks hours accrued, credited and used per pay period 1.10 02/06/2024 Addition of the following tools:
- 'Minimum Landing Field Length' calculator of the A300
- 3D Geometry calculator 1.9 02/01/2024 Minor bug fix to Rest Alarm / Timer tools. It would freeze on multiple returns from the background 1.8 01/29/2024 Addition of the following tools:
- Cloud Base Est. calculator
- ISA deviation calculator
- Rest Alarm / Timer 1.7 01/26/2024
version 2.3
posted on 2026-01-09
Update to 'Contact Times' tool
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