LIMITATIONS – (400F; GE) *** Flashcards
What is maximum operating altitude, maximum altitude for takeoff and landing,
and maximum field elevation?
- 45,100 feet – max operating
- 10,000 feet – max T/O and LDG altitude.
- 9,500 feet – max field elevation.
What is the maximum Takeoff and Landing Tailwind Component?
• 15 knots
What is the maximum landing crosswind guideline when reported braking action
is medium?
• 25 knots
Are operations allowed when the reported braking action is NIL?
• No
What is maximum landing gross weight? (400F)
• 302,092 kilograms
What should you do if the -400F ZFW (except N-PA) is greater than 276,691
kgs?
• Comply with decreased maximum weight limits (see table in the Weight
and Balance Manual).
While flying an autoland approach without LAND2 or LAND3 annunciated, what
is the minimum altitude to which you can descend while the remaining autopilot
is engaged?
• 100 feet RA
When flying a non-ILS approach, the autopilot must be disengaged before The
airplane descends more than___________________feet below the MDA.
• 50 feet or 50 feet below minimums
During autoland, what is the assumed touchdown point?
• 2,500 feet from the runway threshold
What are maximum and minimum glideslope angles for autoland?
• 3.25 degrees (max); 2.5 degrees (min)
What is maximum headwind and crosswind component for autoland?
• 25 knots for both conditions
What is minimum threshold crossing height for Autoland?
• 44 feet
Is it permissible to operate HF radios during refueling operations?
• No
While airborne during CPDLC operations, an HF radio fails. How many HF
radios are required for you to continue using CPDLC? Reference required.
• One HF radio required for CPDLC, if authorized by DDG.
While airborne LUX to HSV, prior to oceanic entry into the North Atlantic
MNPS, the autopilot LNAV fails. Can you enter MNPS airspace? (ref req)
• No
What are the target oxygen pressures for the crew system?
• 1200 psi
At what altitude is minimum oxygen quantity supply for each occupant determined?
• 25,000 feet cabin altitude
What is the Boeing equivalent thrust for a CF6-80C2, B1F engine?
- 56,500 lbs
* 62,100 lbs B5F
What is maximum EGT (GE) for engine starting?
• 870 C (40 secs max transient); 750 C unlimited
What is maximum continuous EGT (GE)?
• 925 C
What is minimum oil pressure (GE)?
• 10 PSI
What are the engine RPM limits for N1 and N2 (GE)?
- 117.5 – N1
* 112.5 – N2
What is the maximum altitude for flap extension?
• 20,000 feet
After engine start, until shutdown at the completion of the flight, what is the primary means of alerting flight crews to non- normal conditions or improper configuration?
• EICAS Alert messages
What is the maximum allowable in-flight difference between Captain and First
Officer altitude displays for RVSM operations?
• 200 feet
What is the maximum difference between Captain and First Officer altimeters on
the ground for RVSM operations between sea level and 5,000 feet?
• 35 feet
What restriction applies for level-off within 2,000 feet after changing the altimeter
setting from QNE to QNH, or QNH to QNE?
• Do not use VNAV for level-off if the QNH is less than 29.70in/1006 hPa.
Is it permissible to reset a tripped fuel pump circuit breaker?
• No (Warning!)
What is the flap limitation during fuel jettisoning?
• Do not extend or retract the flaps between positions 1 and 5 during fuel
jettisoning.
What fuel tank temperature must we maintain while in flight?
• 3 degrees C above the fuel freeze point of the fuel being used.
Nacelle/engine anti-ice must be ON during all ground and flight operations
when icing conditions exist or are anticipated except when the temperature is
below ______?
• – 40 C OAT.
Do not use anti-ice if OAT or TAT exceeds ______?
• 10°C (50°F)
What is the flap placard speed for flap position 30 (747-400)?
• 180 knots IAS
What is the landing gear operating speed for retracting or extending?
• 270 knots IAS/0.82 Mach
What is turbulent air penetration speed (747-400)?
• 290 to 310 KIAS/0.82 to 0.85 Mach, whichever is lower.