When a mishap occurs, being able to accurately determining if notification of the NTSB is required can add to an already very high stress level. It should be very simple to be able to follow 49CFR830 and make a determination, but when a mishap occurs stress levels are high and it can be difficult to make the best decisions unless you are prepared. Believe it or not there now is an App to help with that. Notify NTSB can be found on the App Store. It is a great tool to help you become better familiar with the requirements for notification and walk you through the process.