Designer's Calculator (3/21/11)

Calculate Average Coldest Temperature (ACT)
(Memo dated 9/24/10)
Required data:

PFAFalt:

TCH :

Θ :
°

LTPelev:

 If temperature history is available enter :

Year 1:

Year 2:

Year 3:

Year 4:

Year 5:


 ACT:History



 

 ACT:Alaska



DISA: -40°C

 ACT:CONUS



DISA: -30°C

 ACT:Hawaii



DISA: -20°C

Variables:
PFAFalt = Minimum Intermediate Segment Altitude
TCH  = Threshold Crossing Height
LTPelev = Landing Threshold Point Elevation
Θ = Glidepath Angle