"6PROVIDES CONTINUOUS INDICATION OF AIRSPEED, MACH NUMBER AND ANGLE OF ATTACK; COMMAND INFORMATION IS PRESENTED IN TERMS OF MACH NUMBER AND INDICATED AIRSPEED; PARAMETERS ARE PRESENTED ON A VERTICAL SCALE 5 INCHES HIGH BY 3/4 INCHES WIDE; MECHANIZATION PROVIDES A MOVING TAPE SCALE READ AGAINST A FIXED REFERENCE ON A LUBBER LINE AT THE CENTER OF THE VERTICAL SCALE; 3 SCALES INDICATED AIRSPEED RANGE 50-600 KNOTS WITH SMALLEST INCREMENT 10 KNOTS FINISH NONLUMINOUS; AIRCRAFT MACH RANGE .2 TO 1.2 MACH WITH SMALLEST INCREMENT 0.01 MACH FINISH NONLUMINOUS; ANGLE OF ATTACK RANGE -10 TO +25 DEG WITH FINISH RED AND BLACK CROSS HATCHING NON LUMINOUS NUMERALS AND GRADS NOT USED; INCLUDES COMMAND MACH COUNTER AND COMMAND AIRSPEED COUNTER; INTEGRAL 5 V AC LIGHTING"