ENGINES/dimension/particularity Flashcards
Max EGT for Start EK, VI/VN?
EK 570°C
VI/VN 485°C momentary 545°C
Max EGT for TO EK, VI/VN?
EK 850°C
VI/VN 645°C (660°C for 5s)
Max duration of reverse thrust on EK?
40s
Max N1 84,3%
What is the Max EGT for inflight start on EK? duration
870°C Max duration 20s
What are the starter motor limitation?
3 consecutive start of 2 mins followed by a 15mins cool down.
EK only: 1 use of 4mins - N3=0 - cool down 15mins
What are the TO thrust time limit? EK/VN, VI?
EK/VN: 10mins
VI: 5mins
Minium oil temp starting/relighting EK?
-40°C
Minimum oil temp for advancing thrust levers EK?
0°C
Minimum oil temp for TO VI/VN?
50°C
Minimum oil quantity non-ETOPS, ETOPS? measured when?
NON-ETOPS 14
ETOPS 16
measured within 30mins of shutdown
Warm up EK, VI/VN?
VI/VN Transit stop MORE than 4 hours: 5mins
EK: transit stop LESS than 90mins: 3mins all other cases: 5mins at low power
Cool Down EK, VI/VN?
EK: 1min at low power
VI/VN: 90s (3mins recommended)
What are the Re-engagement on RR?
recommended: 0% N3
normal: 0% to 20% N3
What are the APU starter limit?
maximum 3 consecutive attempts within 60mins period with 5mins cooling period between attempts
What do you do in case of unsuccessful APU start on the ground?
an outside observer needs to be present to guard against tailpipe fire
What are the dimentions of the B757?
Lenght 47.3m
Height 13.6m
Span 41.1m
What is the minimum width for a 180° turn?
36.6m ±37m
What is the minimum RWY width for TO and landing?
30m
Taxiway minimum width? use extreme caution?
minimum width: 18m
use extreme caution on taxiways less than 23m
slope limit for TO and landing?
±2%
Max precipitation deph allowable for TO, dry snow?
≤6cm = 60mm
Max precipitation deph allowable for TO, standing water, wet snow or slush?
≤13mm = 1.3cm
configuration VI/VN?
224pax normal, OS: 114seats (20J,28W,66M)
configuration EK?
244pax normal, OS: 106seats (12J,40W,54M)
