Runway analysis chart interpolation
#1
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Joined APC: Jan 2017
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Runway analysis chart interpolation
I'm not sure if this is the correct forum to post this thread in. Does anybody know how to interpolate? The numbers below are from a runway analysis landing chart. In the instructions I was given, they somehow got 195.000 pounds as the approach climb limit with an outside air temperature of 8 degrees Celsius. What is the actual formula for getting this answer?
Temp (c): -20 / 19
Climb WT: 209.1 / 190.0
Temp (c): -20 / 19
Climb WT: 209.1 / 190.0
#2
New Hire
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Joined APC: Jan 2017
Posts: 2
Temp (c): -20 / 19
Climb WT: 209.1 / 190.0
I think I more or less figured it out with the six step process below:
Its not exactly 195,000 pounds but its pretty close, which means I must be doing something right.
Climb WT: 209.1 / 190.0
I think I more or less figured it out with the six step process below:
1. -20 – 19 = 39
2. 19 – 8 = 11
3. 11 / 39 = 0.28
4. 209,100 – 190,000 = 19100 lbs
5. 19,100 * 0.28 = 5,348
6. 5348 + 190.000 = 195,348
2. 19 – 8 = 11
3. 11 / 39 = 0.28
4. 209,100 – 190,000 = 19100 lbs
5. 19,100 * 0.28 = 5,348
6. 5348 + 190.000 = 195,348
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