EIA B747-400 Limitations

Question 2

Aircraft Length

Answer 2

232’

Question 3

Aircraft Wingspan

Answer 3

213’

Question 4

N492EV, N493EV, N779BA Maximum Zero Fuel Weight (MZFW)

Answer 4

610.0

Question 5

Maximum Landing Weight

Answer 5

N491EV–666.0

N492EV, N493EV, N779BA–652.0

Question 6

Maximum Demonstrated T/O & Landing X-Wind

Answer 6

30 Knots (not limiting)

Question 7

Maximum Operating Altitude

Answer 7

45,100’ (PA)

Question 8

Maximum T/O & Landing Altitude

Answer 8

9,500’ (PA)

Question 9

Maximum Tailwind

Answer 9

10 Kts

Question 10

Oxygen Pressures

Answer 10

Recommended-

• Crew (over ocean) - 1500 psi
• Crew (over land) - 950 psi
• Supernumerary - 1200 psi

Question 11

Mmo

Answer 11

.92

Question 12

Mmo RVSM

Answer 12

.90

Question 13

Turbulence Penetration Speed

Answer 13

290 to 310 Knots / .82 to .85 which ever is lower

Question 14

Minimum A/P Engagement Takeoff Altitude

Answer 14

250’ AGL

Question 15

Single Channel ILS A/P Disengagement Altitude

Answer 15

Must be disengaged before the airplane descends below 100’ AGL

Question 16

MDA A/P Disengagement Altitude

Answer 16

Must be disengaged before the airplane descends more than 50’ below the MDA, unless it is coupled to an ILS G/S & LOC, or in the GA Mode

Question 17

Aileron Trim Use with A/P

Answer 17

Prohibited

Question 18

Icing Conditions on the Ground and for T/O (Limitations Chapter)

Answer 18

OAT 10° C. or below and visible moisture w/ visibility of 1 mile (1600 mtrs) or less or chance of ingestion by engines or freezing on the engines, nacelles or engine sensor probes

Question 19

Icing Conditions in Flight

Answer 19

TAT 10° C. or below and visible moisture

Question 20

Maximum Flap Operating Altitude

Answer 20

20,000’

Question 21

N491EV Maximum Zero Fuel Weight (MZFW)

Answer 21

• 635.0 - for T/O weights of 811.0 or less.

- for T/O weights above 811.0 and up to 875.0, reduce MZFW linearly to 610.0

Question 22

Brake Accumulator Precharge Pressure

Answer 22

750 psi