NAVWEPS OO-ROT-RO  AIRPLANE PERFORMANCE  GENER,AL. RANGE CONDITIONS  PROPELLER AIRPLANE  POWER  REO ’ D  HP  APPLICABLE FOR  A PARTICULAR  MAXIMUM  -WEIGHT  ENDURANCE  -ALTITUDE  -CONFIGURATION  VELOCITY, KNOTS  POWER  REO ’ D  EFFECT OF GROSS WEIGHT  HlGHER WT.  CONSTANT  ALTITUDE  VELOCITY, KNOTS  HP  A  t  EFFECT OF ALTITUDE  AT ALTITUDE  SEA LEVEL  CONSTANT  WEIGHT  I  VELOCITY, KNOTS  Figure 2.24. Range Performance, Propeller Aircraft 