Airframe and PowerPlant Professional (AP PRO)


This app assists the aircraft airframe and powerplant (A&P) mechanic in determining common measurements in several subject matter areas. Source for formulas is FAA AC43-13b. It is designed for students enrolled in an FAA Part 147 Maintenance Technician School. Instructors at such schools will also benefit from its use. It has been formatted for phones with 5" screens or greater as well as 7" and 10" tablets. Some programs are data intensive and attempting to read/manipulate data on phones smaller than 5" is difficult. A 7" tablet is the ideal device.


Sheet Metal:

- Setback
- Developed Width
- Rivet Size
- Bend Allowance


Weight and Balance:

- Basic Empty Weight CG
- Ballast and Weight Shift
- CG Adjustment For Alterations
- Adverse Loading


Basic Electricity

- Resistor Color Codes
- Ohm's Law
- Impedance
- Voltage/Current Dividers
- Component Addition (parallel/series)
- Reactance
- Frequency


Aviation Science

- Levers (Class I, II, III, IV)
- Gas Laws
- Conversion Calculators



The user of A&P PRO for any specific application without an independent verification of its accuracy does so at his/her own risk and assumes any and all liability resulting from such use. No warranty is offered as to the accuracy of results. Users should have a thorough understanding of the relevant theoretical criteria. 

Copyright 2021


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