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B737 limitations
| Question | Answer |
|---|---|
| Minimum flight crew? | Pilot and co-pilot |
| Maximum runway slope | +-2% |
| Flight maneuvering load acceleration limit flaps up? | +2.5g to -1.0g |
| Flight maneuvering load acceleration limit flaps down? | +2.0g to 0.0g |
| Max demonstrated crosswind component? | 31 knots |
| Max tailwind for takeoff? | 10 knots |
| Max tailwind for landing? | 10 knots |
| Max aircraft operating altitude? | 37,000 feet (35,000 for N147AW) |
| Max flap extension altitude? | 20,000 feet |
| Max altitude for takeoff and landing? | 8,300 feet |
| Max operating airspeed? | Vmo Pointer |
| Max operating mach number? | .84 (MMO) |
| Turbulent airspeed? | 280kts/.70M |
| Max speed with mach trim inop? | .74M |
| Max gear extension speed? | 270kts/.82M |
| Max gear extended speed? | 320kts/.82M |
| Max gear retraction speed? | 235 kts |
| Max speed flaps 1? | 230 kts |
| Max speed flaps 2? | 230 kts |
| Max speed flaps 5? | 225 kts |
| Max speed flaps 10? | 210 kts |
| Max speed flaps 15? | 195 kts |
| Max speed flaps 25? | 190 kts |
| Max speed flaps 30? | 185 kts |
| Max speed flaps 40? | 170 kts |
| Max speed with flaps extened by alternate (standby) system? | 210 kts |
| Max recommended wind for airstair operations? | 40 kts |
| Max tire speed (knots, ground speed)? | 191 kts |
| When must engine anti-ice be on? | During all ground and flight operations when icing conditions exist or are anticipated, except during climb and cruise when the temperature is below -40C SAT. This includes descent. |
| Wing anti-ice must be OFF for takeoff and must not be turned on prior to reaching what altitude? | 400 feet AGL |
| Do not operate wing anti-ice when the aircraft is on the ...? | Ground |
| What is the minimum N1 when operating in icing conditions (except for landing) with the temp between 10 and 0*C TAT? | 40% |
| What is the minimum N1 when operating in icing conditiions (except for landing) with temp below 0*C TAT? | 55% |
| What is the minimum N1 when operating in moderate to severe icing at any temperature (except for landing)? | 70% |
| Maximum temperature on the ground for engine and wing anti-ice system operation? | 10*C (50*F) |
| Maximum temperature inflight for engine and wing anti-ice system operation? | 10*C TAT (50*F) |
| When are both pitot-static systems A&B required to be ON? | For all flight operations |
| When must window heat be ON? | To the No.1(Fwd) and No.2(Side) windows for all normal flight operations, and must be turned ON to these windows 10 minutes prior to takeoff |
| Airspeed is limited to 250 KIAS at altitudes below 10,000 feet when? | With any window heat inoperative, or any window 1,2,4,5 cracked. |
| Max engine driven generator load? | 111 amps |
| Max APU driven generator load on the ground? | 125 amps |
| Max APU driven generator load inflight? | 111 amps |
| T/R voltage range? | 24 to 30 volts |
| Maximum T/R load (with cooling)? | 65 amps |
| Maximum T/R load (without cooling)? | 50 amps |
| Battery voltage range? | 22 to 30 volts |
| Maximum CSD oil temperature? | 157*C |
| Maximum CSD oil temperature rise? | 20*C |
| Maximum fuel temperature? | 49*C |
| Minimum fuel temperature? | Fuel freeze point +3*C or -45*C, whichever is higher |
| Maximum allowable fuel imbalance between tanks 1 & 2? | 1,000 lbs. |
| Main wing tanks must be scheduled to be FULL if the center tank contains more than ...? | 1,000 lbs. of fuel |
| What is the priority for fuel tank usage? | Use all center tank fuel to depletion followed by main tank fuel |
| For ground operation, center tank switches must not be ON unless ...? | The center tank fuel quantity exceeds 1,000 lbs. except when defueling or transferring fuel |
| Center tank fuel pumps must be positioned to OFF when ...? | Both center tank fuel pump low pressure lights illuminate |
| Center tank fuel pumps must not be ON unless personnel are available to monitor ...? | The low pressure lights |
| Maximum external air pressure? | 60 PSIG |
| Max differential pressure? | Red radial |
| Normal operating differential pressure? | Below yellow arc |
| Max cabin differential pressure for takeoff and landing? | .125 PSI |
| Minimum fuel in the right tank for ground operation of the "B" system hydraulic pumps? | 1,675 lbs. |
| Speed brakes should not be deployed inflight at radio altitudes less than ...? | 1,000 feet AGL |
| Do not operate the weather radar when ...? | During refueling, near fuel spills or people. Warm up the radar in the Standby Position only (if Standby position is installed) |
| Is the autopilot permitted for takeoff and landing? | No |
| Minimum autopilot altitude when enroute? | 1,200 feet AGL |
| Minimum autopilot altitude for a non-precision approach? | 60 feet below MDA/DH |
| Minimum autopilot altitude for an ILS approach? | 50 feet AGL |
| What is the limitation associated with the Yaw Damper inop? | With the yaw damper inop, do not use the autopilot roll axis above 30,000 feet |
| What is the limitation associated with the "B" hydraulic system depressurized? | With hydraulic system "B" depressurized, do not use the autopilot pitch axis above .81 Mach |
| What is the limitation associated with the use of the Captain's alternate static source? | Do not use ALT HOLD mode on the autopilot when the Captain's alternate static source is used |
| What is the limitation on the crew oxygen system dispatch pressure? | Refer to the placard located on the cockpit overhead panel |
| What is the limitation on the portable oxygen bottles for minimum dispatch pressure? | 1550 PSI |
| What is the maximum limit marking for engine instruments? | Red Radial |
| What is the cautionary limit markings for the engine instruments? | Yellow Arc |
| What is the normal operating range limit markings for the engine instruments? | Green Arc/Blue Arc |
| What is the minimum limit marking for the engine instruments? | Red Radial (Lower) |
| JT8D-9A max EGT acceleration limit (2 minutes)? | 590*C |
| JT8D-9A max EGT takeoff limit (5 minutes)? | 590*C |
| JT8D-9A max continuous EGT? | 545*C |
| JT8D-9A max starting inflight EGT? | 590*C |
| JT8D-9A max EGT while starting on the ground with temp above 15C? | 420*C |
| JT8D-9A max EGT while starting on the ground with temp 15C or below? | 350*C |
| JT8D-15 max EGT acceleration limit (2 minutes)? | 630*C |
| JT8D-15 max EGT takeoff limit (5 minutes)? | 620*C |
| JT8D-15 max continuous EGT? | 580*C |
| JT8D-15 max starting EGT on the ground? | 550*C |
| JT8D-15 max starting EGT inflight? | 620*C |
| Minimum engine oil quantity for dispatch? | 2.5 Gallons |
| When must "LOW IGN" be ON? | Takeoff and landing, during engine anti-ice operations, heavy precipitation, and in turbulence (LIFTED TP) |
| What is the ignition duty cycle for LOW IGN? | Continuous |
| What is the ignition duty cycle for FLT? | 2 minutes ON, 3 minutes OFF, 2 minutes ON, 23 minutes OFF |
| What is the minimum starting pressure prior to starter engagement? | 30 PSIG at sea level, decreasing 1/2 PSIG per 1,000 feet above sea level |
| What is the starter duty cycle for a normal start and a slow start? | 30 seconds ON, 60 seconds OFF for normal start. For slow start: 60 seconds ON, 60 seconds OFF (Two cycles ONLY, then 5 minutes cooling) |
| What is the starter duty cycle for dry motoring? | 2 minutes ON, 5 minutes cooling |
| When must the fuel heat be OFF? | Fuel heat must be OFF for takeoff |
| What is the APU max continuous EGT? | 710*C |
| What is the max APU EGT? | 760*C |
| What is the max altitude while utilizing APU bleed air with electrical load? | 10,000 feet |
| What is the max altitude while utilizing APU bleed only? | 17,000 feet |
| What is the APU max operating altitude? | 25,000 feet (737Q,464AT) 35,000 feet (147AW,465AT,977UA) |