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Questions about calculating the various measures of performance of an aircraft.

2 votes
3 answers
3k views

Does the dew point affect density altitude?

I am looking for the most accurate formula to calculate the Density Altitude (DA) to use it for calculating aircraft performances during landing. Now I found the following formula: DA = PA + [120*(OA …
JM93's user avatar
  • 263
6 votes
1 answer
1k views

How to calculate the DC-4 landing distance with this graph?

Can someone give me a clear explanation on how to calculate the landing distance of the Douglas DC-4 with the following graph? And why is the Temperature variable not in the graph, because temperature …
JM93's user avatar
  • 263
4 votes
1 answer
653 views

Why do DC-4 landing performance charts have different values for the intended and alternate ...

I am studying the landing performances of the old Douglas DC-4 and there are a lot of different landing performance charts available. The pilots can use different flap settings during landing like 45, …
JM93's user avatar
  • 263
8 votes
1 answer
238 views

How should I interpret the Douglas DC-4 approach climb performance chart?

Can someone explain what "C = .04 Vso2" means as the "denotes required rate of climb?". I assumed the point at 6500 ft altitude and 60,000lbs landing weight will mean that the required rate of climb i …
JM93's user avatar
  • 263