Free Stuff updated

Nov 2019
Free stuff licences extended another year.
And AW139 W&B applications updated too.

Fatigue Predictor Fb, designed for use with FITBIT platform

Oct 2019
Now available on the Apple App Store; Fatigue Predictor Fb
Fatigue Prediction using your FITBIT Sleep data. Know until when you are safe to drive/fly/operate with one tap!

Fatigue Predictor Pro Support website

Aug 2019
New features of this great support website. Now easier to select of sub-group of your user population.

Fatigue Predictor Pro for ANDROID

Jul 2019
Fatigue Predictor Pro App for Android devices now available on Google Play store.
Now everyone can check their IFLS!.

Fatigue Predictor Pro Support website

Dec 2018
New; Support website to review, filter and sort all uploaded (organisational) IFLS Data.
Great tool for administrators to analyse data and for reporting.

Free Stuff updated

Oct 2018
Free stuff licences extended another year. And new free stuff:
AW139 applications; Performance and W&B calculators.

Fatigue Predictor (Pro) Updates

Sep 2018
The best Fatigue Management tool based on IFLS for Apple devices now even better!

COA 48-1 Tracker

Mar 2018
New product available; CAO 48-1 Tracker; compliance to new CASA crew duty and flight time rules made easy! Can track rules for Appendices 1,3,4,4B,5 and 6!
FREE to Try!

Fatigue Predictor PRO

Aug 2017
New App ! Fatigue Predictor Pro is now available on the App Store. It is Free!


Jun 2017
Stone Productions has moved from Withcott to Highfields.

Fatigue Predictor PRO

Mar 2017
In development; Fatigue Predictor Pro This app is like Fatigue Predictor but extended and designed for organisational use.

Stock Tracking System

Feb 2017
Gehrke Grain & Transport has accepted extensions (with autorefresh report for large screens and extensive search features for Weigh-Bridge ticket records) for their system.

FRMS Application

Jan 2017
Mackay Helicopters has extended its Fatigue Risk Management System (FRMS) tool for another 5 years. Still satisfied with their simple smart Stone Productions product.

Stock Tracking System

Sep 2016
Gehrke Grain & Transport has revamped the evaluation of their Stock Tracking System and initiated an extension of the system.

Fatigue Predictor v3

Jul 2016
Fatigue Predictor version 3 is uploaded to the Apple App Store. On client request; extra duty tracking features.

Free Products

May 2016
Stone Productions offers some products for free as examples of Stone Productions' products. Amongst these free products will be some interesting tools for Pilots.


Mar 2016
Demo of IFLS, an Excel based FRMS tool is available on YouTube. Click on FRMS for more info.

Fatigue Predictor v2

Mar 2016
Fatigue Predictor version 2 is uploaded to the Apple App Store. It has many improvements and new features. See also new tutorial.

Stock Tracking System

Feb 2016
The development of the Stock Tracking System for Gehrke Grains & Transport has started its implementation and evaluation phase.