TwinApps

An interactive review companion for the part 145 license. This app will test your knowledge and progress on the subjects,Its game trivia like format w …

A handy app to calculate the turns ratio,voltage and currents of a transformer. This app has been optimized for installation in a smartphone as well a …

Free edition of the FAA Airframe and Powerplant General subject. Practice questionsThis questions were updated per the new FAA test pool. The new test …

This is an app to convert a Wye Resistor network to a Delta resisitor network and vice versa.Helpful when you are simplifying resistance network conne …

An app to calculate the value of the voltage drop resistor and power rating in a series connected LED.免費玩LED (Light Emitting Diode) APP玩免費免費玩LED (Ligh …

A and P reviewer for the powerplant subject. A handy app to help you review whilst on the go. The new FAA guidelines refer mostly to figure based ques …

A bird adventure game. Avoid the zombies and gather stash to increase your points.test your strategy and movement combinations on this game. Keep your …