TM 55-4920-432-13&P SECTION II.  MAINTENANCE ALLOCATION CHART PITOT AND STATIC SYSTEMS TESTER NSN:  4920-01-244-2146 GROUP COMPONENT MAINTENANCE MAINTENANCE TOOLS NUMBER ASSEMBLY FUNCTION AVUM AVIM & EQUIPMENT REMARKS 00 Pitot and Inspect .5 A Static Systems Replace .5 _._ Tester Repair _._ 1,2,3,4 B,C Calibrate _*_* 1,2 01 Accessories Inspect .5 A Replace .5 02 Instruments 0201 Rate-of-Climb Inspect .1 A Indicator Replace .3 1,2 C Calibrate _._* 1,2 C 0202 Pressure Inspect .1 A Altimeter Replace .3 1,2 C Calibrate _._* 1,2 C 0203 Air speed Inspect .1 A Indicator Replace .3 1,2 C Calibrate _._* 1,2 C 03 Pneumatic System Inspect .1 2,4 A 0301 Selector Replace .5 2,4 C Valves 0302 Needle Valves Inspect .1 2,4 A Replace .5 2,4 C 0303 Shut-off Inspect .1 2,4 A Valves Replace .5 2,4 C 0304 Vacuum Relief Inspect .1 A Valve Replace .5 2,4 C Calibrate _._* 1,2 C B-4