ATR 42 Model : 500
SYSTEMS
LIMITATIONS
P 1
NOV 97
001
2.01
.
05
AIR - PRESSURIZATION
MAXIMUM DIFFERENTIAL PRESSURE
6.35 PSI
MAXIMUM NEGATIVE DIFFERENTIAL PRESSURE
- 0.5 PSI
MAXIMUM DIFFERENTIAL PRESSURE FOR LANDING
0.35 PSI
MAXIMUM DIFFERENTIAL PRESSURE FOR OVBD VALVE
FULL OPEN SELECTION
1 PSI
MAXIMUM ALTITUDE FOR ONE BLEED OFF OPERATION
20.000 ft
ELECTRICAL SYSTEM
SOURCE
MAX LOAD
TIME LIMIT
DC GEN
400 A
600 A
800 A
NONE
2 mn
8 s
INV
500 VA
575 VA
750 VA
NONE
30 mn
5 mn
ACW GEN
20 KVA
30 KVA
40 KVA
NONE
5 mn
5 s
TRU
60A
90A
NONE
5 mn
SINGLE DC GEN OPERATION
In flight
: if OAT exceeds ISA + 25, flight level must be limited to FL 200
HYDRAULIC SYSTEM
SPECIFICATION : HYJET IV OR SKYDROL LD 4
LANDING GEAR
DO NOT PERFORM PIVOTING (SHARP TURNS) ON A LANDING GEAR WITH FULLY
BRAKED WHEELS EXCEPT IN CASE OF EMERGENCY
MFC
TAKE OFF WITH MORE THAN ONE FAILED MFC MODULE IS PROHIBITED.
AA
R
R
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