EPs/Limits Flashcards
Icing limitations
Do not operate in CONTINUOUS moderate or severe for more than 45 minutes. Max bank angle while in icing or with suspected ice accumulation is 45 degrees
Smoke, Fire, or Fumes
- Alert crew, execute firefighting duties - Alerted (PM/MSN) 2. Oxygen masks and regulators - ON/100%, as required (ACW)
CONFIG (Landing)
Landing Configuration - Check (FLT)
Max T/O Crosswind (wet)
25 knots
Max Operating Altitude
41,000 ft
Max allowable in-flight difference between pilot and copilot altitude displays
200 ft
Windshear Conditions
Unacceptable flight path deviations, recognized as uncommanded changes from normal steady state flight conditions below 1,000 feet AGL in excess of any of the following conditions: a. 15 knots indicated airspeed. b. 500 fpm vertical speed. c. 5° pitch attitude. d. One dot displacement from the glideslope. e. Unusual thrust lever position for a significant period of time.
Engine (1,2) OVERHEAT
- Autothrottle - Disengage (PF) 2. Thrust lever (affected engine) - Confirm - Close (PF)
Min Standby Battery Power Time
30 min
Alternate Flap Extension Cool time
Full Cycle (Flaps Up to FLAPS 15 to Flaps up): 5 min Switch Activation: 15 seconds
Max allowable on-the-ground altitude display difference between pilot and copilot displays
50 ft (SL-5,000 ft) 60 ft (5,001-10,000 ft)
Time between Engine Shutdowns
3 seconds
APU Altitude Limits
Bleed+Elec (FLT): 10,000 ft MSL Bleed+Elec (GRD): 14,000 ft MSL Bleed only: 17,000 ft MSL Elec only: 41,000 ft MSL (32,000 ft when required APU generator output >68%)
Max Transitory N1
104.7% for 20 seconds
Ground Evacuation
- Ground/Tower - Notify (CP) 2. PARKING BRAKE - Set (P) 3. SPEED BRAKE lever - DOWN (P) 4. FLAP lever - 30 (CP) 5. Pressurization mode selector - MAN (CP) 6. Outflow VALVE switch - Hold in OPEN until the outflow VALVE position indicates fully open (CP) 7. EWMU - OFF (CP) 8. Engine start levers/FUEL CONTROL switches (both) - CUTOFF (P) 9. Engine and APU fire switches (all) - Override and pull (P) 10. Advise the cabin to evacuate (CP) Note When lowering the airstair on battery power, extension will take longer.
Fire APU
- Choose one: a. INSIDE the aircraft: (1) APU fire switch - Pull, rotate to the stop until BOTTLE DISCHARGE illuminates (ACW) (2) APU switch - OFF (ACW) b. OUTSIDE the aircraft: (1) APU fire control handle - Pull down (ACW) (2) BOTTLE DISCHARGE switch - Push left (ACW)
Extended Engine Motorings
Two consecutive extended engine motorings (2 to 15 minutes) are permitted. Each starter is limited to 15 minutes of starter usage time with a minimum of 2 minutes required between the first and second extended engine motoring period. Subsequent extended engine motoring is limited to 5 minutes of starter operation with a 10–minute nonoperating (cool off) period between motorings.
Upset Recovery conditions
An aircraft upset as defined by one or more of the following occurring: 1. Any stall indication (including buffet or stick shakers). 2. The aircraft pitch attitude is unintentionally more than 25° nose high. 3. The aircraft pitch attitude is unintentionally more than 10° nose low. 4. The aircraft bank angle is unintentionally greater than 65°. 5. Within above parameters but flying at airspeeds/attitudes inappropriate for the conditions.
Runway Slope
+/- 2%
Max Flaps Extension Altitude
21,000 ft
Windshear Escape
- Autothrottle - Disengage (PF) 2. Autopilot - Disengage (PF) 3. Pitch - 15° initially, then follow flight director TO/GA guidance, if available (PF) 4. Roll - Wings level (PF) 5. Thrust levers - Maximum (PF) 6. Speedbrake Lever - DOWN (PF) 7. TO/GA switch (either) - Press (PF)
Maximum Total Air Temperature (TAT)
55°C (54.4°C [NFM-200 paragraph 1.2 Note])
Starter Cutout
56%
Min Oil Pressure
13 psi
Fuel Tank Capacities
Main Tanks: 8,214 lbs Center Tank: 28,395 lbs FWD AUX: 10,043 lbs AFT AUX: 16,596 lbs TOTAL: 71,462 lbs
Engine Fire on the Ground
- Engine Start Lever/Fuel Cutoff Switch (affected engine) - Cutoff (PM) 2. Engine Fire Switch - Pull and rotate to the stop until bottle discharge (PM) 3. Engine Fire Switch - Pull and rotate to the other stop until bottle discharge (PM) -> Proceed to the Ground Evacuation Checklist
Max Continuous EGT
925°C
MOSA calls are required on crew selected CNF/NET upon entering MOSA, that is:
- 15 nm when operating below MOSA, 2. Prior to descent below MOSA when laterally within 15 nm of the obstacle, and 3. At CPA.
Min Altitude for On-Station Autopilot
500 ft AGL
Min Autopilot Altitude on Approach
No lower than 50 ft below DH/MDA, but in case lower than 100 ft AGL
Runaway Stabilizer
- Control column- hold firmly
- AP- disengage
- AT- disengage
- Control column and thrust levers- control pitch attitude and airspeed
- Main electric stab trim- reduce control column forces
If runaway continues: - Stab trim cutout switches- cutout
If runaway continues: - Stab trim wheel-grasp and hold
Engine Limit, Surge, or Stall
- Autothrottle - Disengage (PF) 2. Thrust lever (affected engine) - Confirm - Retard until indications stay within limits or the thrust lever is closed (PF)
Starter Cycle
2 min on/10 sec off (start attempt) Extended motorings
TCAS - RA
- Autothrottle - As required (PF) 2. Autopilot - Disengage (PF) 3. Pitch - Adjust to satisfy RA (PF) 4. Roll - Continue planned lateral path (PF) 5. Thrust levers - As required (PF) 6. Flaps - Set (PM) 7. LANDING GEAR - UP, as required (PM)
Max Start EGT
725°C
Prohibited Operations
- Intentional spins, stalls, aerobatics, steep dives (not associated with an Emergency Descent), or maneuvers resulting in abrupt accelerations. 2. Use of auto land. 3. Load factor greater than 2.0 g’s with asymmetric thrust. 4. Holding and on-station mission operations in icing with flaps extended. 5. Use of Mission Limit Mode. 6. Uninterrupted rudder deflections across the neutral position (commonly referred to as rudder reversals). Approximately zero sideslip and yaw must be established at neutral rudder. 7. Rapid rudder check or rapid release to neutral after abrupt rudder input. 8. Alternating control inputs, especially in combination with large changes in pitch, roll, or yaw (e.g., large sideslip angles). 9. Uninterrupted rapid wheel inputs across the neutral position at roll rates greater than 10 degrees per second. 10. Inflight auxiliary fuel transfer functions FWD > AFT and AFT > FWD, except to prevent or correct a cg limit exceedance. 11. Flight beyond stick shaker or initial buffet (whichever occurs first). 12. Intentional single engine or simulated single engine maneuvers, except as required for an FCF. 13. Use of tactical fuel flow margin.
Engine Tailpipe Fire
- Engine Start Lever/Fuel Cutoff Switch (affected engine) - Cutoff (P)
Emergency Descent
- Emergency Descent - Announce (FLT) 2. Condition 5 - Set (FLT) 3. Descent - Initiate (PF) 4. ENGINE START switches (both) - CONT (PM) 5. Thrust levers (both) - Close (PF) 6. Speed brake - FLIGHT DETENT (PF) 7. Target Speed - Vmo/Mmo (PF)
Upset Recovery
- Autothrottle - Disengage (PF) 2. Autopilot - Disengage (PF) 3. Pitch - Reduce AOA (PF) 4. Roll - Wings level (PF) 5. Thrust - As required to prevent overspeed, ground contact, or undesired pitch up (PF) 6. SPEED BRAKE lever - As required (PF) 7. Recover - To appropriate airspeed and altitude
Aborted Start conditions
- The N1 or N2 does not increase or increases very slowly after the EGT increases. 2. There is no oil pressure indication by the time that the engine is stable at idle. 3. The EGT does not increase within 10 seconds after the engine start lever/FUEL CONTROL switch is moved to IDLE. 4. The EGT quickly nears or exceeds the start limit. 5. Engine torching.
Icing conditions
OAT (GRD) or TAT (FLT) is 10°C or below AND visible moisture in any form is present (e.g. clouds, fog with visibility of 1 mile or less, rain, snow, sleet, and/or ice crystals) When operating on ramps, taxiways, or runways where surface snow, ice, standing water, or slush may be ingested by the engines or freeze on the engines or nacelles.
Airplane Weight Limitations
Max Taxi/Towing Weight (MTW): 189,700 lbs Max T/O Weight (MTOW): 189,200 lbs Max Landing Weight (MLW): 149,800 lbs Max Zero Fuel Weight (MZFW): 141,800 lbs
EGPWS Conditions
- Activation of the aural EGPWS warnings. a. “PULL UP.” b. “TERRAIN TERRAIN PULL UP.” c. “OBSTACLE OBSTACLE PULL UP.” 2. Other situations resulting in unacceptable flight toward terrain.
Max T/O EGT
950°C for 5 min W/ One-Eng Inop: 950°C for 10 min
Max Wing Anti-Ice Altitude
FL350
Engine Type
CFM56-7B27A
Pre-Shutdown Eng Idle Time
3 min
Airspeed Unreliable or IAS Disagree
- Autothrottle - Disengage 2. Autopilot - Disengage 3. F/D switches (both) - OFF 4. Initially set the following gear up pitch attitude and thrust: a. Flaps extended - 10° and 80% N1 b. Flaps up - 4° and 75% N1
Normal Battery DC Voltage
26 +/- 4 VDC
Min SPD BRK Extension Altitude
1,000 ft AGL
EGPWS Warning
- Autothrottle - Disengage 2. Autopilot - Disengage (PF) 3. Pitch - 20° initially (PF) 4. Roll - Wings level (PF) 5. Thrust levers- maximum 6. Speedbrake Lever - DOWN (PF) 7. If terrain remains a threat, continue to increase pitch up to: (PF) a. Pitch Limit Indicator b. Stick Shaker c. Initial buffet 8. Monitor radio altimeter for sustained or increasing terrain separation (PF) 9. When clear of terrain, slowly decrease pitch attitude and recover to appropriate airspeed and configuration (PF)
Min Fuel Temp
3°C above fuel type freeze point or -43°C (whichever is higher)
Autopilot Prohibited Actions
Use of aileron trim with A/P engaged A/P dual channel capability in FMC Tactical Mode Use of HDG SEL or ROLL CWS north of 89°30’ N or south of 89°30’ S Use of CWS below 1,500 ft AGL Maneuvering with the autopilot roll axis in CWS at bank angles in excess of 35° may result in excessive altitude, vertical velocity, and normal acceleration excursions.
Engine Anti-Ice Operation - In Flight
Shall be on when 10°C or below (TAT) except during climb and cruise when temperature is below -40°C SAT. Engine Anti-Ice must be ON before and during descent in all icing conditions, including temperatures below -40°C SAT
Alternate Flap Extension Airspeed
230 KIAS
Max Landing Crosswind (wet)
30 knots
Aborted Takeoff
- Autothrottles - Disengage (PF) 2. Thrust levers (both) - Close (PF) 3. Brakes - Verify RTO or Max Manual (PF) 4. Speed brake lever - Up (PF) 5. Reverse Thrust - Apply (PF)
Max T/O and Landing Field Elev
8,400 ft
FIRE - ENG (1,2) or Engine Severe Damage or Separation
- Autothrottle - Disengage (PF) 2. Thrust lever (affected engine) - Confirm - Close (PF) 3. Engine start lever/FUEL CONTROL switch (affected engine) - Confirm - CUTOFF (PM) 4. Engine fire switch (affected engine) - Confirm - Pull (PM) 5. If fire indications exist: a. Engine fire switch - Rotate to the stop and hold until BOTTLE DISCHARGE illuminates (PM) 6. If after 30 seconds, fire indications persist: a. Engine fire switch - Rotate to the other stop and hold until BOTTLE DISCHARGE illuminates (PM)
IDG load on the ground
Loads in excess of 41% require a minimum of 32% N1
Airspeed Unreliable or IAS Disagree Conditions
Airspeed Unreliable: The pitch attitude is not consistent with the phase of flight, altitude, thrust and weight, or noise or low frequency buffeting is experienced. IAS DISAGREE: Indicates the pilot’s and copilot’s airspeed indications disagree by more than 5 knots for 5 continuous seconds.
Min Oil quantity
60%/12 qts (overland) 60%/12 qts or 7 qts + 1 qt per flight hr (whichever is higher)(overwater)
Icing cues
Ice buildup on flight deck window frames, windshield center post, below the windshield wiper blades or on the windshield wiper arm. Illumination of ICING not definitive, but provides additional SA
EECs in Alternate Mode
- Both EECs shall be in Alternate mode. 2. Fixed Derate and/or Assumed Temperature Reduced Takeoff Thrust are not allowed. 3. Do not use FMC Takeoff N1. 4. Use of autothrottle for takeoff is prohibited.
WEAPON RELEASE
- MASTER ARM switch - DISARM (PM) 2. Mission Crew - Notify (PM)
Minimum Operational Safe Altitude
Defined as 1,000 feet above the highest obstacle within 15 nm of the aircraft
Max T/O and Landing Crosswind (contaminated)
15 knots
Min Altitude for Autopilot Engagement on T/O
400 ft AGL
Min Main Tank Fuel for Elec Hyd Pump Operation
1,675 lbs
Loss of Thrust on Both Engines
- ENGINE START switches (both) - FLT (PM) 2. Engine start levers/FUEL CONTROL switches (both) - CUTOFF (PM) 3. When EGT decreases: a. Engine start levers/FUEL CONTROL switches (both) - IDLE/detent/IDLE (PM) 4. If EGT reaches 975°C or there is no increase in EGT within 30 seconds: a. Engine start levers/FUEL CONTROL switches (affected engine) - Confirm - CUTOFF, then IDLE/detent/IDLE, repeat as required (PM) At or above FL270, set airspeed above 275 knots. Failure to achieve the appropriate airspeed may limit N2 preventing a successful restart.
Maximum Oil Temperature
Max Continuous: 140°C Max Transitory: 140 - 155°C for 45 min Max Limit: 155°C
Normal AC Voltage and Frequency
115 +/- 5 VAC 400 +/- 10 Hz
ENG FAIL Display
50% N2
APU bleed valve shall be closed when:
- Ground air connected and isolation valve open 2. Engine No. 1 bleed valve open 3. Isolation and Engine No. 2 bleed valves open
While operating IMC and in a MOSA environment, in the event of
navigation system uncertainty or navigation system failure, COTAC or EWO MCW failures, or radar failure, the aircraft shall immediately turn to a safe heading and climb above briefed MOSA (as required)
TCAS - TA
- If traffic is sighted, maneuver as required (PF)
Max Continuous N1
104%
Max N2
105%
Standoff environment
within 15 nm of nationally recognized geo-political boundaries
CABIN ALTITUDE, DON OXYGEN, Rapid Depressurization
- Oxygen masks/regulators - ON, 100% (ACW) a. CREW/PASS OXYGEN PASS switch - ON (PM) 2. Crew communications - Establish, as required (FLT, TC/OBS)
Landing Gear Speed Limits
Extension: 270 KIAS Retraction: 235 KIAS Extended: 320 KIAS
CONFIG (Takeoff)
Takeoff Configuration - Check (FLT)
Max allowable on-the-ground difference between pilot and copilot altitude displays and field elevation for RVSM operations
75 ft
Wet start Protection: Auto Fuel Cutout Time
15 seconds
Max Lateral Fuel Imbalance
1,000 lbs
Airspeed Unreliable Conditions
- Speed/altitude information not consistent with pitch attitude and thrust setting. 2. SPD failure flag. 3. SPD LIM failure flag. 4. IAS DISAGREE alert. 5. Blank or fluctuating airspeed display. 6. Variation between pilot and co-pilot airspeed indications. 7. Radome damage or loss. 8. Overspeed warning. 9. Simultaneous overspeed and stall warnings.
EODF Airfield Weather Requirements
Suitable divert for EODF planning shall be no lower than published minimums plus 200-1/2 for a precision approach or the published minimums plus 300-1 for a non-precision approach for the duration of the suitability window ±1 hour.
Max Landing Crosswind (dry)
35 knots
Ditching
Alert crew time to impact - Alerted (PM)
Max Tailwind
15 knots
P-8A Load factor envelope
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