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:———-:——————————————-:——————————————-:——————————————-:——————————————-———— : LABEL FOR INFLUENCE : MTOW(1000 KG) codes :* VMC : Tref (OAT) = 28 C : Min acc height 1444 FT Min QNH alt 2444 FT : : DW (1000 KG) DTFLEX : V1min/VR/V2 (kt) :* LIMITATION : Tmax (OAT) = 53 C : Max acc height 8145 FT Max QNH alt 9145 FT : : DV1-DVR-DV2 (KT) :——————————-:——————:——————————-:——————————————————————————————————————:
: (TVMC OAT C) : LIMITATION CODES : : Min V1/VR/V2 = 128/29/35 :
: DW (1000 KG) DTFLEX : 1=1st segment 2=2nd segment 3=runway length 4=obstacles : CHECK VMU LIMITATION :
: DV1-DVR-DV2 (KT) : 5=tire speed 6=brake energy 7=max weight 8=final take-off 9=VMU : Correct. V1/VR/V2 = 0.2 KT/1000 KG :
:——————————-:—————————————————————————————————-:——————————————————————————————————-:
Step2:
Consider the lowest chart temperature: 0°C
Consider the associated minimum acceleration height: 1444 ft
Step3:
Let’s assume that OAT is -20°c
The temperature deviation between 0°C and -20°C is 20°C.
150
Step4:
Enter the correction table with the acceleration height (1444 ft rounded to 1500ft), and
-20°C.
QNH ALTITUDE MINUS .Z CORRECTION (ft)
TERRAIN ELEVATION (ft) . 500 1000 1500 2000 2500 3000
-10 °C -17 -34 -51 -68 -85 -102
.ISA -20 °C -35 -70 -105 -140 -175 -210
-30 °C -52 -104 -156 -208 -260 -312
-40 °C -70 -140 -210 -280 -350 -420
TRUE ALTITUDE = QNH ALTITUDE + .Z
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