AIRPORT PLANNING MANUAL 5.5. ENGINE STARTING PNEUMATIC REQUIREMENTS TABLE 1 − PNEUMATIC ENGINE START REQUIREMENTS Altitude Ambient Minimum Minimum Minimum ft Temp °F Pressure psia Temp °F Flow lb/min SL −40 48.0 349 95.1 SL 59 43.7 443 82.0 SL 120 40.7 505 73.7 9000 −40 37.7 350 74.5 9000 23 30.0 409 57.3 9000 86 28.9 474 53.4 13,000 −40 36.0 352 71.3 13,000 12 27.2 399 52.2 13,000 71 26.7 458 49.6 15,000 −40 32.9 352 66.6 15,000 5 25.3 392 49.0 15,000 59 24.4 446 46.1 EM170APM050030A.DGN Engine Starting Pneumatic Requirements Figure 5.6 EFFECTIVITY: ALL Section 5 Page 5-9 Oct 06/11 w-apm1346