normal shock wave. .......................... 207 
obliqueshockwave .......................... 207 
operating limitations 
propellers, ..................... .... 148 
reciproczring c ... .................. 144 
turbojet ................................... 124 
.. turboprop. ............................... 133 
Operating Strength Limitations, Chapter V. .... 325 
overstress, effect on service life. ................ 344 
parasite area, equivalent. .... .............. 89 
parasitedrag ................................. 87 
performance, Airplane Performance, Chapter II. 95 
pilot induced oscillarion. ..................... 314 
pitching moment 
airfoil. .................................... 47 
longitudinal. .................. ........ 249, 251 
pitch-up ..................................... 313 
pitot-static system. ............... ........... 9 
planform effects. ............................. 61 
power effects on stability. ..................... 259 
power off stability ... ........................ 259 
power required. ................... .......... 96 
power settling. ................... ........ 4c3 
preignition, ........... .... .... 140 
pressure altitude. ......... .... ... ... .. 4 
pressure distribution. .. ......... ..... 14 
415