endurance Pwe 
off-optimum. .............................. 172 
performance. ............... .... ......... 170 
specific ................................. 158, 170 
engine failure 
effect on multiengine airplane. ............ 294, 376 
power off glide performance. ................ 369 
equilibrium conditions. ....................... 150 
equivalent airspeed, EAT. .................... 11 
equivalent parasite area. ...................... 89 
equivalent shaft horsepower, ESHP. ........... 133 
expansionwave .............................. 211 
factorofsafcty ............................... 326 
fatigue considerations. ........................ 328 
feathering and governing of propellers. ......... 148 
flap 
aerodynamic effects. ....................... 37, 43 
typCS ...................................... 41 
flutter ....................................... 342 
force divergence. ............................. 218 
friction 
braking, ............................. 388 
cocfficicnt. ................................ 388 
skin friction. .............................. 54 
frost ........................................ 373 
fuel qualities. ................................ 141 
glide performance. ........................... 369 
governing apparatus, turbine engines. .......... 121 
governing and feathering of propellers. ......... 147 
gusts and wind shear. .................... ... 367 
gust load factor. ........................... 332 
groundeffect ................................. 379 
heating, aerodynamic. ........................ 242 
helicopter, problems. ......................... 399 
helicopter stability and control. ............. 319 
high lift 
devices .. ...... ............ ... ., ., 39 
flight at high lift conditions ................. 35 
High Speed Aerodynamics, Chapter III. ........ 201 
humidity, effect on power. .................... 144 
ice .......................................... 373 
indicated airspeed, IAS. ......... ............. 10 
induced 
angle of attack. ........................... 66 
drag. .................................... 66 
drag coefficient. ........................... 68 
flow. ..................................... 63 
inertia coupling. ................... ....... 315 
inlets, supersonic powerplant. ................. 238 
interference between airplanes in flight. ........ 383 
items of airplane performance. ................. 150 
landing and ground loads. .................... 343 
landing flare and touchdown, ............. 362 
NAVWEPS 00-8OT-80 
INDEX 
Psge 
!a”ding gear configuration stability. ........... 305 
landing performance. ...... ... .... ... 192 
factors affecting performance. .... ........... 196 
lateral co”trol, ............................... 300 
lateral stability. ....................... .... 294 
lift 
characteristics. ........................... 24 
coefficient .................................. 23 
equation ................................... 23 
generation .. ............ ............ ... 16, 63 
lift-drag ratio. ............................... 32 
limit load. ................................. 326 
linespeeds ................................... 394 
load factor ................................ 37, 331 
load spectrum. ............. _ ................. 328 
longitudinal 
control .................................... 275 
dynamic stability. .......................... 279 
static stability. ........................... 250 
Mach number 
definition. .................................. 202 
critical Mach “umber. ...................... 2!5 
maneuvering load factor ..................... 331 
maneuvering performance. ........ ........... 176 
maneuvering stability. ...................... 268 
mean aerodynamic chord, MAC. ............. 63 
mirror landing system ......................... 358 
normal shock wave. .......................... 207 
obliqueshockwave .......................... 207 
operating limitations 
propellers, ..................... .... 148