NAVWEPS OD-BOT-80 
APPLICATION OF AERODYNAMICS 
TO SPECIFIC PROBLEMS OF FLYING 
RUNWAY LENGTH EQUAL TO CRITICAL 
FIELD LENGTH 
TAKEOFF d:;‘, 
CLIMB SP 
CRITICAL ENGINE LACCELERATION WITH 1 
FAILURE SPEED q ENGINE INOPERATIVE 
ACCELERATION 
WITH ALL ENGINES 
OPERATIVE 
\ 
PROFILE 
\ 
RUNWAY LENGTH 
RUNWAY LENGTH LESS THAN CRITICAL 
FIELD LENGTH 
MINIMUM SPEED NECESSAR 
TO CONTINUE TAKEOFF WITH 
ONE ENGINE IN 
REFUSAL SPEE LERATION WITH 
ONE ENGINE INOPERATIVE 
ACCELERATION DECELERATION 
TH ALL ENGINES 
OPERATIVE 
Figure 6.13. Critical Field Len& 
395