ATPL - INS - Formulas verified to pass 2023/2024

ATPL - INS - Formulas What is the formula to find the Mach Number? - correct answers M=TAS/LSS (Mach equals True Air Speed divided by Local Speed of Sound) What is the formula for the local speed of sound? - correct answers LSS=38.94√(Temperature in K) How to convert °C in °K and °F - correct answers -273 for °K °F=(9/5)*°(C+32) How to find the True Air Temperature - correct answers TAT=SAT(1*0.2*Kr*M^2) - True Air Temperature equals Static Air Temperature times(1 times 0.2 times The probe number times mach speed squared) How to calculate the total pressure? - correct answers Tp=Ts+Td - Total pressure equals Static pressure plus dynamic pressure What is a good approximation for the TAT? - correct answers TAT=SAT+(TAS/100)^2 1. How to calculate the Earth Rate? 2. How to apply it? - correct answers 1. Earth Rate°= 15*Sin(Latitude) 2. Earth Rate is applyed to the right in the northern hemisphere and to the left in the southern hemisphere 1. How to calculate the Latitude nut? 2. How to apply it? 3. What is it? - correct answers 1. Latitude nut°= 15*Sin(Latitude) 2. Latitude nut is applied to the left in the northern hemisphere and to the right in the southern hemisphere.