MH 65-D Limitations Flashcards
Chapter 5
0
Q
A CHECK TRQ light indicates:
A
7.5% torque differential between engines
1
Q
Minimum Crew
A
one pilot (right seat), one crew member (cabin)
2
Q
What should you Do with VEH PARAM OVER LIMIT/FUEL PARAM OVER LIMIT displayed on the VEMD?
A
message zone of FLI; scroll to the appropriate VEMD page to determine limit exceedance
3
Q
Conditions to cause Aural Warning “Gong”
A
TC TEEN
- Takeoff - Accelerate to IAS >= 75k in TOP range.
- Cruise Flight - IAS >=75k for 5 seconds in TOP range.
- Torque 1+2>102.5%
- Excessive load factor
- Excessive fore or aft cyclic (on the ground).
- N1 exceeds the MTOP N1 + 0.4%, i.e., 102.3%
4
Q
Nr rating as function of PA
A
355 RPM from 0-1650’ PA
Increases 1 RPM per 820 ft PA from 1650-5740’ PA
Max Nr 360 RPM
5
Q
Airspeed/AOB limits with NR switch to HI
A
135 KIAS, 40 degrees AOB
6
Q
Rotor Brake RPM Limit
A
170 RPM
7
Q
Minimum Emergency Transient Nr
A
295 RPM
8
Q
Minimum Stabilized Nr
A
320 RPM
9
Q
Minimum Operating Range Nr
A
320-345 RPM
10
Q
Nr Continuous Operating Range
A
345-360 RPM
11
Q
Restricted Power-Off Nr Operating Range
A
360-365 RPM
12
Q
Nr Maximum Power-Off Operating Range
A
360-395 RPM
13
Q
Maximum Nr Power-Off
A
395 RPM
14
Q
Maximum Nr (Power On)
A
420 RPM
15
Q
Low Nr Horn RPM
A
<= 345 RPM
16
Q
High Nr Horn RPM
A
> =380 RPM
17
Q
Max DA for takeoffs and landings
A
10,000 feet
18
Q
Max DA forward flight
A
18,000 feet
19
Q
FADEC torque stop % (AEO)
A
11.0 (110%)
20
Q
FADEC torque stop when RPM <335 RPM (AEO)
A
11.8
21
Q
FADEC torque stop when RPM <317 RPM (AEO)
A
12.5
22
Q
Transient Torque limit
A
10.4 for 5 seconds (104%)
23
Q
FLI Torque Limitations
A
Max Continuous: 8.8
Max Takeoff: 10.0
Transient 5 sec: 10.4
24
FLI N1/TOT Limitations
Max Continuous: 8.8
Max Takeoff 5 min: 10.0
HIP/SARM 30 min: 10.0
Transient 5 sec: 10.7
25
TOT Start Limits
750
| up to 840 for 10 seconds (FADEC turns engine off)
26
When will the FADED arm OEI 30-second rating on both engines?
>=6% difference N1 between 2 engines
27
HIP/SARM Power
AEO ops above Max Continuous Power (8.8) beyond 5 minutes, but not more than MTOP (10.0) for up to 30 minutes
**N1 and/or TOT limiting factor below 80 KIAS
28
Training Mode Switch Limits
Prior to placing back to NORM:
Nr stable 355 RPM
FLI at or below 8.0
29
FADEC overspeed safety feature
shuts down engine 429RPM +- 4 RPM (122.5% N2)
30
Nr switch SHALL be in HI position during:
hover flight greater than or equal to 10 feet AGL
| all lateral flight
31
Do not extend use of NR HI Switch above what airspeed
best rate of climb airspeed, Vy
32
OEI Markings: Continous, 2-min, 30 sec
Continuous: 12.4 (66.3% TRQ)
2-min: 13.2 (75.5% TRQ)
30-sec: 13.8 (77.7% TRQ)
33
N2 Minimum Transient Speed
238 RPM
34
N2 Continuous Operating Range
347-360 RPM
35
Starter Engagement Limitations
Limit 5 attempts
60 seconds of cooling between attempts
30 minutes after 5th attempt
36
Starter Cranking Limitations
20 seconds max duration
3 cranking periods
5 minutes between cranking periods
30 minutes after third cranking period
37
Oil Temp Start Limits
0 degrees C before advancing FADEC past Idle
max 128 psi on start
check for minimum of 22 psi on start
38
Nominal Px HYD1 and HYD2 circuits
870 psi
39
Max Px to operate flight control servos
1060 psi
40
Minimum engine starting pressure (fuel):
| Purge phase preceeding starting phase
5.8 psi
41
Minimum engine starting pressure (fuel):
| Starting Phase
3.6 psi
42
Minimum engine starting pressure (fuel):
| Operating Phase
3.6 psi
43
Fuel LOW light
~10 min of flight time remains at MCP
| 3% left, then takes from feed takes
44
DC Generator loads
within 10% of each other
45
Min Battery Start Voltage
17 VDC
46
When does 100% current limitation not apply?
During engine start
| First minute of battery charging after engine start
47
Max ramp weight (static, towed, ground taxied)
9590 lbs
48
Max gross weight for flight ops (running takeoffs)
9480 lbs
49
Cabin Area Load Limit
Do not exceed 125 pounds per square foot
50
"Hover Flight" is defined as:
Any zero or near zero ground speed ops in winds of 35 knots and below (10.0-10.4)
51
"Transition Flight" is defined as:
Flight from zero to 80 KIAS (10.0 on FLI; spikes limit to 10.4 for less than 5 sec)
52
"Cruise Flight" is defined as:
Flight above 80 KIAS (8.8 on FLI)
53
Max FWD Airspeed at what gross weight
175 KIAS; GW not exceeding 6614 lbs
54
VNE is predicated upon what loading condition?
1 g, straight and level flight
55
Absolute VNE Power-On airspeed
175 KIAS
56
Absolute VNE Power-Off airspeed
135 KIAS
57
Max Cabin Sliding Door Speed: Door Removed
120 KIAS
58
Max Cabin Sliding Door Speed: Door locked in open position
100 KIAS
59
Max Cabin Sliding Door Speed: Door movement
80 KIAS
60
Max Rescue Hatch Speed: Hatch locked in open position
80 KIAS, 35 kt sideward
61
Max Rescue Hatch Speed: Hatch movement
60 KIAS, 30 kt sideward
62
Max cargo hook load speed
90 KIAS
63
Max airspeed with float bags armed or inflated
90 KIAS
64
Max airspeed with skis installed
120 KIAS
65
Max touchdown speed
60 KGS
66
Max touchdown speed with skis on snow
35 KGS
67
Max Brake Speed: Gross weight at or less than 8900 lbs
38 KGS
68
Max Brake Speed: Gross weight above 8900 lbs
30 KGS
69
Max Airspeed with NR HI
135 KIAS
70
Max Sideward Flight
35 kt
71
Max Landing Gear Extension Speed
135 KIAS
72
Rotor Start Wind Limits
55 kts within 20 degrees of aircraft heading; 35 kts from all other directions
73
Max touchdown sink rate
at GW of 8900 lb: 600 ft/min
74
Max speed for touchdown
60 knots ground speed
75
Ship landings prohibited above what GW?
8900 lbs
76
Slope limitation for landing and stopping the rotor
10 degrees
77
Cooling period between rotor brake applications
5 minutes
| 10 minutes after 3 consecutive attempts
78
Maximum braking time
13 seconds
79
Max airspeed with emergency floats inflated or in ARM
90 KIAS
80
Max load for rescue hoist
600 lbs
81
Heavy Load Hoist
300-600 lb
| 30 sec rest between delivery and recovery
82
Normal Load Hoist
300 lb or less
| 10 sec rest between delivery and recovery
83
No Load
no rest requirement
84
Max cargo hook load weight
2000 lbs
85
Max airspeed with external load attached
90 KIAS
86
Fuel Jettison Airspeed/ROC/ROD limits
40-120 KIAS; any rate of climb and descent up to 1500 frm
87
Landing gear extended if fuel jettisoning below airspeed:
60 KIAS
88
Time limit after jettison is terminated before hovering or landing
at least 1 minute
89
When is fuel jettisoning prohibited?
During hover or other in-ground effect maneuvers
90
FDS: IAS
>40 KIAS
91
FDS: VS
>70 KIAS, 0-3000 fpm
92
FDS: ALT
>70 KIAS
93
FDS: IAS-VS
>40 KIAS,
0-3000 fpm
Below 7.0 on the FLI (80% of 8.8)
94
FDS: IAS-ALT
>40 KIAS
| Below 7.0 on the FLI (80% of 8.8)
95
FDS: HDG SEL
>40 KIAS
96
FDS: NAV
>40 KIAS
97
FDS: APPR
>40 KIAS, 12 deg GP
98
FDS: T-HOV
Below 2500 RADALT
99
FDS: HOV AUG
Visual hover maneuver
100
FDS: GA
>25 feet AGL
101
IAS-VS and IAS-ALT mode should not be used above what power?
80% MCP; limit above 80 KIAS in cruise flight is 80% of 8.8 FLI or approx. 7.0 on FLI
102
Prohibited Maneuvers
1. Aerobatic Flight
2. Angles of bank
a. Greater than 60 degrees less than 110 KIAS
b. Greater than 45 degrees at or above 110 KIAS
3. Abrupt cyclic movement above 110 KIAS
4. Takeoff and landing on slopes steeper than 10 degrees
5. Above 8,500 lb gross weight, practice single engine maneuvers
6. Above 8,900 lb gross weight, the following maneuvers are prohibited:
a. Shipboard landings
b. All rotary wing air intercept maneuvers and AUF training maneuvers
7. Above 9,200 lb gross weight, the following maneuvers are prohibited:
a. Prolonged hover operations (>1 min)
b. Operational AUF maneuvers
