Limitations Flashcards
1
Q
Power Plant
A
Turbomeca Arriel 1D1 (732 SHP)
2
Q
Overall Length
A
42.45’
3
Q
Main Rotor Diameter
A
35.07’
4
Q
Tail Rotor Diameter
A
6.1’
5
Q
Skid Width
A
7.48’
6
Q
Skid Length
A
10.48’
7
Q
Max Gross Weight Internal
A
4961 lbs
8
Q
Max Gross Weight External
A
5512 lbs
9
Q
Max Cargo Swing Load
A
2557 lbs
10
Q
Max Cargo Sling Load
A
1660 lbs
11
Q
Max Wt Rear Cabin Floor
A
682 lbs
12
Q
Max Wt Fwd LH Cabin Floor
A
330 lbs
13
Q
Max Distributed Load Rear Hold
A
176 lbs
14
Q
Max Wt Left Hold Standard
A
264 lbs
15
Q
Max Wt Left Hold Squirrel Cheeks
A
430 lbs
16
Q
Max Wt Right Hold Standard
A
220 lbs
17
Q
Max Wt Right Hold Squirrel Cheeks
A
386 lbs
18
Q
Max Wt Utility Basket
A
200 lbs
19
Q
Max Altitude
A
20,000’ pA
20
Q
Min Ops OAT
A
-40°C
21
Q
Max Ops OAT
A
ISA +35°C limited to +50°C
22
Q
Max Rotor Blade De-Icing Fluid Temp
A
80°C
23
Q
Max Slope Nose Up
A
10 Degrees
24
Q
Max Slope Nose Down
A
6 Degrees
25
Max Slope Sideways
8 Degrees
26
VNE Power ON doors closed
| cold wx ops
155 kts minus 3 kts /1000'
| - 10 kts when Temp < -30C
27
VNE Doors OFF (check config)
VNE or 100-110 kts whichever is less
28
VNE External Load Cargo Swing/Sling
80 kts
29
VNE Power OFF (Auto Max)
125 kts minus 3 kts /1000'
| reduce by 20 kts when OAT < -20C min 65 kts
30
Nr Power ON - on the ground at low pitch
380 +/- 5 rpm
31
Nr Power ON - in flight
390 +4/- 5 rpm
32
Nr Min-Max Power OFF min-max
320 - 430 rpm
33
Nr Avoid Steady Range during acceleration
300 - 320 rpm
34
Nr Horn - Intermittent
above 410 rpm
35
Nr Horn - Steady
below 360 rpm
36
Rotor Brake - Max Rotor Speed/Nominal
170 rpm/140 rpm
37
Rotor Brake - Min Time between Application
5 min
38
Max Torque with Airspeed < 40 kts continuous
100% Tq
39
Max Transient Torque with Airspeed < 40 kts
107% Tq / 10 sec
40
Max Torque with Airspeed > 40 kts continuous
94% Tq
41
Ng Start-up Fuel Introduction
10% Ng
| 0% Ng when OAT < 0°C
42
Ng Starter Release
40-45% Ng
43
Ng for Pre Shut-Down Idle Cool Down
67-70% Ng for 30 sec
44
Ng Max Continuous
98% Ng where ∆Ng = -3.5 (101.5 - 98)
45
Ng Max Take-off (5 min) w/o P2 Air
101.5% Ng where ∆Ng = 0 (101.5 - 101.5)
46
Ng Max Take-off (5 min) with P2 Air
100.9% Ng where ∆Ng = -0.6 (101.5-100.9)
47
Ng Max Transient
107.5% Ng / 5 Sec where ∆Ng = +6 (101.5 + 6)
48
T4 Max Continuous
795°C
49
T4 Max Takeoff
845°C
50
T4 Max Start Transient (5 sec)
865°C / 5 sec
51
T4 Max Startup
795°C
52
T4 Limit for Ng Indication Failure with OAT < 15°C
730°C with OAT < 15°C
53
T4 Limit for Ng Indication Failure with OAT > 15°C
750°C with OAT > 15°C
54
Nf Free Turbine Max Continuous
417 rpm
55
Nf Free Turbine Min Transient
330 rpm
56
Nf Free Turbine Max Transient
463 rpm
57
Fuel Capacity L,%,US Gal, Lbs
540 L, 100%, 143 US Gal, 940 lbs
58
Fuel Consumption
30-33 % per hour or 180 Lph
59
Low Level Fuel Warning Quantity
11%, 15.8 US Gal, 104 lbs, 60 L
60
Low Level Fuel Warning Time
18 min
61
Unusable Fuel
0.23%, .33 US Gal, 2.2 lbs, 1.25 l
62
Snow and Visibility Limitations
in falling snow vis > 1 nm is ok
in falling snow vis 1/2-1 nm limited to 10 min
in falling snow vis < 1/2 mi prohibited
63
Auto-rotation Min Rate of Descent
65 kts
64
Auto-rotation Max Glide
80 kts
65
VNE Heli Basket
124 kts
66
VNE Heli Basket Auto-rotation
100 kts
67
Best Rate of Climb Speed
55 kts
68
Best Approach Speed
65 kts
69
Ng Temp Restriction
when OAT > 15 °C + ISA: -0.5 per 1 °C
70
Fuel Filter Differential Pressure Light Illumination
< 0.2 Bar either or both pumps
71
Fuel Pressure Range
0.4 - 0.9 bar
72
1/2 rule for planning
mile / min / gal 50 miles/25 minutes/12.5 gal 30%/hr = 10%/20 min
73
Max Engine Oil Temp
115°C
74
Min Engine Oil Temp for Ops
0°C
75
Max Engine Oil Pressure
5 bar
76
Min Engine Oil Pressure > 85% Ng
1.8 bar
77
Min Engine Oil Pressure Between 70-85% Ng
1.3 bar
78
C of G Datum
133.8" forward of the m/r head center line
79
Electrical Voltage Range
26-29 v
80
Max Electrical Voltage
31.5 v
81
Max Electrical Current
150 amp
82
Min Electrical Voltage on Start
15 v
83
Bleed Valve Range
closes at 97% Ng, opens at 93% Ng
84
Lateral C of G
LH 7.08" RH 5.51"
85
Fuel Types
Jet A, A1, B, JP4, JP8
86
HDY Pressure Isolation check Light
once check complete, switch on collective to ON, light must extinguish within 3-4 sec
87
NR caution light flashes
250-360 rpm (test at 350 rpm)
88
with OAT < 0C EOT min temp
40C
89
POWER CHECK in flight
```
Heating/demisting OFF
Level stabilized flight
TQ less than or equal to 94%
NG at MCP (98%)
bleed valve should not be visible
```
record Tq, Ng, Nr, Alt, OAT
90
Wind envelope for spinning and stopping rotors
up to 40 kts any direction
| up to 50 kts headwind
91
Noise Level t/o, app, overflight
89.9, 91.4, 87.6 dB
92
VNE sliding door opening or closing
60 kts
93
Engine scavenger oil filter (lrb)
if showing, reset once and run engine
| if re-shows, no flying
94
Inlet Barrier Filter system
ops w/o filter installed is prohibited
flight in blowing or falling snow not restricted
ops with alternate air door open in flight in blowing or falling snow prohibited
95
Snow Visibility Limitations in Flight
< 1/2 sm = 0 min
1/2 - 1 sm = 10 min
> 1 sm = OK
96
3 Prohibited Items
Aerobatics
Flight in freezing rain or icing conditions
Snow or ice in or around engine intake
97
VNE Power On Cold Temp Reduction
Reduce VNE by 10 Kts when OAT < -30c
98
VNE Power OFF Cold Temp Reduction
Reduce VNE by 20 Kts when OAT < -20c Min 65 kts
99
Engine Limitations Determined by:
NG, T4, and NF Limits
100
Ground Runs in Cold Temps or Preheat
each 2 hours with OAT > -20c
each 1 hour with OAT < -20c
101
Use of Heating/Demisting Prohibited when
in ops > max cont NG (98%) or max cont T4 (795c)
102
100% Ng corresponding Ng RPM
51800 rpm
103
Nr of 394 rpm corresponding Nf speed
42452 rpm
104
Anti-Ice Additive in Fuel System without Icing Inhibiting System
Anti-Ice Additive required < 0c
105
Emergency Fuels
Av Gas 80/87, 100/130, 115/145, Auto Fuel
106
Emergency Fuels Use
max 25 hrs, below 1500', fuel temp < 30c
add lubiricating mineral oil
107
Fuel Drain Temp
OAT >/= 0c
108
Min Start Oil Temp 7808 MGB & TRGB
-40c
109
MIn Start Oil Temp 23699 MGB & TRGB
-20c
110
Starter Limitations
30s, 60s, 30s, 60s, 30s, 30min
111
CWP Lights ON with Battery ON (6)
HDY, GEN, MGB P, PITOT, ENG P, FUEL P
112
CWP Lights ON with External Power
HDY, GEN, MGB P, PITOT, ENG P, FUEL P, BATT
113
On Start, ENG P Light OUT at:
70% NG
114
On Start, Horn light flashes with NR
NR > 250 rpm
115
Electrical Config with GPU 28 V DC Power
Batt and Gen isolated, warning lights ON
116
Bleed Valve Range
On Start - closed - opens at 97% Ng
Reduced pwr - closes at 93% Ng
117
Oil Capacity MGB
MGB 1.7 USG
118
Oil Capacity TRGB
0.08 USG
119
Oil Capacity ENG
1.64 USG
120
Oil Capacity HDY
0.79 USG
121
Min Start Oil Temp 6086
MGB -15c TRGB -20c
