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B777 System Limits
Section One Limitations for Boeing 777
| Question | Answer |
|---|---|
| Main door emergency power assists and evacuation sldie systems must be _____ with the mode select handle in the _____ position prior to taxi, takeoff, and landing whenever passengers are carried. | armed ARMED |
| Ground wind limits for all doors: While opening and closing. | 40 knots |
| Ground wing limits for all doors: While open. | 65 knots |
| Maximum Differential Pressure (relief valves): | 9.1 psi |
| Maximum Differential Pressure for takeoff/landing: | 0.11 psi |
| Takeoff in moderate / heavy ____ ____ or ____ is prohibited. | freezing rain or hail |
| During takeoff do not use wing anti-ice below ___ feet AGL or engine out acceleration height, whichever is higher. | 800 feet |
| Engine Anti-Ice (ground operations) must be __ (not AUTO) when the OAT is __ degrees C or less and icing conditions exist. | ON, 10 degrees C |
| During ground operations when engine anti-ice is required and OAT is __ degrees C or below, the engines must be run up for ___ seconds to a minimum of ___ % N1 at intervals not to exceed ___ minutes. | 3 degrees C, 1-2 seconds, 50% N1, 15 minutes |
| Engine Anti-Ice (Flight Operations) must be ____ on ___ when the TAT is ___ degrees C or less and icing conditions exist or are anticipated, except during climb, cruise, and descent when the SAT is below ___ degrees C. | AUTO or ON, 10 degrees, -40 degrees |
| CAUTION: Do not operate engine anti-ice when OAT or TAT is above ___ degrees C. ANTI-ICE ON EICAS message will be displayed. | 10 degrees C |
| Icing conditions exist when OAT (ground) or TAT (flight) is 10 degrees C or less AND:___________ or ____________. | 1. Visible moisture (fog with vis of one sm or less, rain, sleet, snow, ice pellets, or other forms of moisture)or2. Standing water, ice, slush, or snow is present on the ramps, taxiways, or runway surfaces. |
| The autopilot minimum engagement altitude after takeoff for either two engine or single engine operations is ____ feet AGL, provided the ___ ___ ___ system is operative. | 200 feet AGLThrust Asymmetry Computer (TAC) |
| If the TAC is inoperative, the minimum engagement altitude is ____ feet AGL with the aircraft appropriately trimmed for single engine operations. | 1000 feet AGL |
| For visual approaches / RNAV Arrivals (no published instrument approach lateral and vertical guidance): the autopilot must be disengaged before the airplane descends lower than ___ feet above TDZE, unless it is in the go-around mode. | 500 feet AGL |
| For non-precision approaches, the autopilot must be disengaged before the airplane descends lower than __ feet below the MDA/DA, unless it is in the go-around mode. | 50 feet |
| Category III operations and autoland are not approved with flaps ___. | 25 |
| With NO AUTOLAND annunciated, the autopilot must be disengaged before the airplane descends below ___ feet AGL when coupled to the ILS glideslope and localizer. | 200 feet AGL |
| For autoland, max allowable Head Wind: | 25 knots |
| For autoland, max allowable Tail Wind: | 15 knots |
| For autoaland, max allowable Crosswind: | 25 knots |
| Note: Max allowable crosswind is __ knots for ILS approaches when the RVR is ____ feet of less. | 15 knots2,400 feet |
| For Category II and and Category III ILS approaches, the maximum allowable tailwind is __ knots. | 10 knots |
| The maximum ILS glideslope angle is ___ degrees. | 3.25 degrees |
| The minimum ILS glideslope angle is ___ degrees. | 2.5 degrees |
| Automatic landings can be made using flaps __ or __ with either both engines operative or one engine operative. (The AFDS autoland status annunciator must display either LAND 2 or LAND 3.) | 20 or 30 |
| Automatic landing can not be made if the EICAS message ____ ____ is displayed. | SLATS DRIVE |
| The B777 is not certified for autolandings at weights in excess of ___ ___ ___. | max landing weight |
| The B777 is not certified for autolandings with the loss of two or more ____ hydraulic actuators. | elevator |
| Loss of __ or __ hydraulic systems results in loss of only one hydraulic actuator. | R or C |
| Loss of the __ hydraulic system or any combination of __, __, and __ results in the loss of two or more hydraulic actuators. | LL, C, and R hydraulic systems |
| No more than ___ APU starts in a ___ minute period with the electric start motor. | (3)60 minute |
| The datalink from the COMPANY format is limited to the transmission and receipt of messages, which will not create an unsafe condition if the message is improperly received, such as: | 1. The message or parts of the message are delayed or not received.2. The message is delivered to the wrong recipient, or3. The message content may be frequently corrupted. |
| The flight crew shall manually verify (compare) the filed flight plan versus the digital ___ ___ ___ and shall initiate voice contact with Air Traffic Control if any questions / confusion exists between the filed flight plan and the digital ___ ___ ___. | Pre-Departure ClearancePre-Departure Clearance |
| The flight crew shall verify the the _____ altimeter setting numeric and alpha values are identical. If these values are different, the flight crew must not accept the ___ altimeter setting. | D-ATIS D-ATIS |
| The flight crew shall manually verify (compare) the filed flight plan versus the digital ____ ____ and initiate voice contact with ATC if any questions / confusion exists between the filed flight plan and the Digital ___ ___, | oceanic clearance oceanic clearance |
| Backing the airplane with the use of ____ ____ is prohibited. | reverse thrust |
| Intentional selection of ____ ____ in flight is prohibited. | reverse thrust |
| Engine limit display markings: maximum and minimum limits are ___. | RED |
| Engine limit display markings: caution limits are ___. | AMBER |
| Minimum engine oil quantity prior to engine start: | 22 quarts |
| Minimum engine oil quantity after engine stabilized and prior to flight: | 18 quarts |
| Note: During irregular operations, not caused by oil related issues, the flight may depart on a Non-ETOPS flight of less than __ hours with __ quarts of oil, or less than __ hours with __ quarts of oil. | 3 hours with 16 quarts 2 hours with 12 quarts |
| The minimum oil quantity after engine stabilized and prior to flight is __ quarts | 8 quarts |
| Maximum oil temperature: Continuous ___ degrees C | 124 degrees C |
| Maximum oil temperature: 15 minutes ___ degrees C. | 135 degrees C |
| Minimum oil presssure: ___ psi. | 10 psi |
| Negative G operation below 10 psi oil pressure is limited to __ seconds. | 15 seconds |
| Engine EGT limits - All altitudes (5 minutes):(10 minutes allowed in the event of loss of thrust of one engine during takeoff.) | 1030 degrees C |
| Engine EGT limits - All altitudes (continuous): | 1015 degrees C |
| Engine EGT limits - Starting (ground): | 750 degrees C |
| Engine EGT limits - Starting (flight): | 825 degrees C |
| Takeoff is permitted only the the ____ takeoff mode. | normal |
| Avoid rapid and large ____ ____ ____, especially in combination with large changes in pitch roll, or yaw (eg large side slip angles) as they may result in structural failure at any speed below Va. | alternating control inputs |
| Do not use the Speed Brakes in flight below ____ feet. | 1000 feet |
| Do not extend the flaps above ____ feet. | 20,000 feet |
| For the Electronic Flight Bag, do not use the ____ ____ as a primary navigation reference. | Airport Map |
| For RVSM operations, on ground maximum allowable difference between Captain or First Officer altitude display an.d the field elevation is ___ feet. | 75 feet |
| For RVSM operations, in flight maximum allowable difference between Captain and First Officer altitude displays is ___ feet. | 200 feet |
| For RVSM operations, the transponder altitude reporting source should be the same as the Capt / First Officer altimetry (ie. ____). To achieve this, the ALT SOURCE switch must be in ____. | ADIRU NORM |
| Selection of L or R on the XPDR switch does not affect the operation of the ___ ___ switch. | ALT SOURCE |
| Do not align the ADIRU at North / South latitudes greater than ______________. | 78 degrees, 14.75 minutes. |
| Demonstrated B777 RNP, flight operations values (NM) for modes of flight.Autopilot on and LNAV. | 0.11 (updated by GPS) or 0.28 (not updated by GPS) |
| RNPFlight Director on and LNAV with NAV PERF SCALES. | 0.14 (GPS) or 0.28 (not GPS) |
| RNPFlight Director on and LNAV without NAV PERF SCALES. | 0.30 (GPS) or 0.30 (not GPS) |
| RNPNav Display Map Only | 0.80 (GPS) or 1.00 (not GPS) |
| Cal OpSpecs limit RMAV (RNP) approaches to RNP ____ with autopilot engaged. | 0.15 |
| If autopilot is inoperative, _____ approaches are not authorized. | RNAV (RNP) |
| The B777 FMS is ____ leg capable. | Radius-to-fix (RF) |
| Remote altimeter settings (not taken at the local airport) and not authorized for ____ procedures. | RNAV (RNP) |
| RNP approaches requiring RNP less than ___ on the missed approach are not authorized. | 1.0 |
| RNAV RNP approaches are not authorized when the airport _______ is less than the minimum depicted on the applicable approach plate. | temperature |
| When using ___ instead of QNH, a ___ altitude reference for the PFD's must be selected in the FMC. | QFE QFE |
| The use of ____ with QFE selected below the transition level is prohibited. | VNAV |
| The use of ____ with QFE selected below the transition level is allowed, provided:____ is disengaged during arrival prior to any altutude constraint conditional waypoint.____ is not engaged on departure until all conditional waypoints have been passed | LNAVLNAVLNAV |
| The use of ___ and ___ fuel is prohibited. | JP-4 and Jet B |
| The maximum fuel temperature is ___ degrees C. | 49 degrees C |
| Main tanks must be scheduled to be ____ if center tank fuel is loaded. | FULL |
| The center tank may contain up to _____ pounds of fuel with less than full main tanks provided the center tank fuel weight plus actual zero fuel weight does not exceed the maximum ZFW and the CG remains within limits. | 3,000 pounds |
| The minimum fuel temperature is __ degrees above the fuel freeze point (see chart in Sect 1) or as determined from the Fuel Freeze Analysis. | 3 degrees |
| Jet A freeze | -40 |
| JP-5 freeze | -46 |
| JET A-1 freeze | -47 |
| JP-8 freeze | -50 |
| TS-1(TC1) freeze | -50 |
| Minimum crew oxygen pressure at 50C/122F for 4 crew: | 545 |
| Enhanced GPWS, Do not use the ______ display for navigation. | TERRAIN |
| The use of terrain awareness alerting and terrain display functions are prohibited within ___ nm and approaching to land at an airport not contained in the EGPWS terrain database. | 15 nm |
| Note: All CAL Ops Specs Authorized Airports have been verified to be included in the EGPWS _______ _______. | terrain database. |
| Pilots are authorized to deviate from their current ATC clearance to the extent necessary to comply with a _______ ______ _____. | TCAS II resolution advisory. |
Created by:
lippold.george