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m g
d � m d m � m g
V � L C C D f j C C D

m 0 m 1 m 0 f � L 1 j
= � m 1
m D f j m 0 d m = � D f j
Jet aircraft r = V/f j D e = 1/f j D m 0 Vd R = � m 1 E = � m 1

dm g m dm g m

C � L � C D C � L � C D
m 0 = � f m 1 m 0 fV m 1
Propeller aircraft r = /fD e = /fDV m 0 d m R = � D f m 1 m 0 dm = � E = � V fD m 1

Table 9.2 Range and endurance equations Specific range (r) Specific endurance (e) Range (R) Endurance (E)