Atr72 Limitations Flashcards
(85 cards)
1
Q
Maximum operating altitude?
A
25,000’
2
Q
Manoeuvring load limit factors gear and flap retracted and extended?
A
Gear and flaps retracted +2.5 G to -1G
Gear and/or flaps extended +2G to 0G
3
Q
Maximum taxi weight?
A
47,465 lbs
4
Q
Maximum takeoff weight?
A
47,400 lbs
5
Q
Maximum landing weight?
A
47,068 lbs
6
Q
Max Zero fuel weight?
A
43,430 lbs
7
Q
VMO
A
250 kts
8
Q
Va
A
175 kts
9
Q
Vfe flap 15
A
185 kts
10
Q
Vfe flaps 30
A
150 kts
11
Q
Vle
A
185 kts
12
Q
Vlo Ret
A
160 kts
13
Q
Vlo ext
A
170 kts
14
Q
Vra
A
180 kts
15
Q
Vmcl flaps 15
A
97 kts
16
Q
Vmcl flaps 30
A
93 kts
17
Q
Max tire speed
A
165 kts
18
Q
Flaps 0 recommended speed
A
180 kts
19
Q
Flaps 15 recommended speed
A
150 kts
20
Q
Flaps 30 recommended speed
A
135 kts
21
Q
Maximum OAT?
A
50°c at sea level
0°c at FL250
Or ISA +35°c
22
Q
Minimum OAT?
A
- 54°C in flight
- 45°C for take off and landing
23
Q
Takeoff and landing tail wind limit?
A
10 kts
24
Q
Maximum demonstrated crosswind?
A
35 kts
25
Maximum mean runway slope?
+/-2%
26
Cat II operation wind limits?
Headwind 30 kts
Crosswind 15kts
Tailwind 10kts
27
Minimum height for use of auto pilot in approach mode CAT II?
50 ft
28
Minimum decision height for auto pilot flight director CAT II?
100 ft
29
Maximum demonstrated wind auto pilot flight director CAT II?
Headwind 30 kts
Crosswind 15kts
Tailwind 10 kts
30
Maximum differential pressure?
6.35 psi
31
Maximum negative differential pressure?
-0.5 psi
32
Maximum differential pressure for landing?
0.35 psi
33
Max differential pressure for OVBD VALVE full open selection?
1 psi
34
Maximum altitude for one bleed off operation?
20,000’
35
Minimum height for auto pilot engagement after takeoff?
100’
36
Minimum height for use of auto pilot or flight director enroute?
1000’
37
Minimum height for use of auto pilot or flight director during approach?
160’
38
Can you hold with flaps extended in icing conditions?
No except for single engine
39
Cargo door lateral wind component limit?
45 kts
40
Engine itt starting limits?
950°C for 5 seconds
840°C for 20 seconds
800°C continuous
41
Engine operation ITT limits?
840°C for 20 seconds
| 800°C continuous
42
Engine over torque limits?
124. 5% for 20 seconds
106. 3% for 10 min. REQUIRED over TQ
102. 5% continuous only inflight emerg
43
102.3% torque limit conditions?
10 minutes and must recorded in log book. No time limit when NP is below 86%.
44
Maximum ITT normal takeoff rating at 0° OAT?
765°C
45
Maximum ITT for normal takeoff rating at 54° OAT?
780°c
46
Minimum oil temperature for starting?
-54°C
47
Minimum engine oil temperature for flight?
0°C
45°C for intake strut deicing
71°C for full anti ice and no low fuel temperature indications
48
Maximum engine oil temperature?
115°C
| 125°C for 20 minutes
49
Hotel mode maximum ITT and oil temperature?
715°C itt
| 120°C oil
50
Minimum ground idle NH?
66%
51
Minimum oil pressure ground idle?
40 psi
52
Transient limits for 20 seconds?
```
TQ 124.5%
840°C itt
Nh 103.7%
NL 104.3%
NP 110%
Oil pressure 40 to 100 psi
```
53
Normal oil pressure range?
55 to 65 psi
54
Starter limitations?
3 starts with 90 seconds total cranking time followed by 4 minute break.
55
Maximum fuel temperature?
+57°C
56
useable fuel per tank?
5,510 lbs
57
Maximum fuel imbalance?
1,609 lbs
58
Maximum refuelling pressure?
50 psi
59
Maximum approach slope?
Less than 4.5°
60
Atr72 length?
90’
61
Atr72 wingspan?
89’
62
Atr72 tail Heights?
26’
63
Atr72 wheel base?
13.5’
64
Maximum aft percent Mac For takeoff and landing and flight?
37%
| 39%
65
Minimum forward percent Mac For Flight and takeoff and landing?
Flight 10%
T/O landing 14%
Both further limited above 39,683 lbs
66
Mmo
.55
67
Stall speed at maximum weight clean?
119 kts
68
Stall speed maximum weight flaps 15 gear up?
102 kts
69
Stall speed maximum weight flaps 30 gear down?
94 kts
70
Single DC GEN operation limitations?
If OAT exceeds ISA + 25 then FL200
71
Propeller ground operation limits?
Avoid static ops 41-65% NP
Avoid TQ above 47% in feather
Run ups into the wind
Do not exceed 91.7% TQ below 30 kts except for transients during t/o or service checks 2 minutes or less
Do not exceed 91.6% NP below 30 KTS except for transients during T/O or service checks 2 minutes or less
72
Operational flight plan allowable TOGW increase?
3000 lbs
73
Atr72 minimum temperature for takeoff and landing?
-45°C
74
Atr72 cargo zone weights?
Zone 1: 400lbs
Zone 2-9: 2600lbs
Zone 10: 800lbs
75
Atr72 minimum runway width?
98ft
76
True or false. You can use V/S to climb?
False.
STRICTLY
PROHIBITED
77
NP required for icing?
>86%
78
Can you land at an airport with active light freezing drizzle or light freezing rain?
Prohibited at any intensity
79
What wind factor is used for approach?
1/3 headwind component or
| All the gust up to 15kts
80
When should EEC be turned off when feathered?
Torque >30%
81
Fuel introduction at start?
Passing 10%NH
| +1%NH for 10°C of residual ITT between 100°-200°
82
DC GEN max loads and limits?
400A continuous
600A 2 minutes
800A 8 seconds
83
Inverter max loads and limits?
500 VA continuous
575 VA 30 minutes
750 VA 5 seconds
84
ACW GEN max loads and limits?
20 KVA continuous
30 KVA 5 minutes
40 KVA 5 seconds
85
Maximum speed for wiper use?
160 kts
