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UH-60 > Limitations > Flashcards

Limitations Flashcards

1
Q

What should you do if a limit is exceeded

A

fill out the 2408-13-1 with what limit was exceeded with the time and range. The aircraft should not be flown until corrective action has been taken.

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2
Q

How many pilots are required to fly

A

2 pilots

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3
Q

Red and yellow striped tapes

A

Limit has been exceeded, continued operation may cause damage or reduce component life

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4
Q

Yellow Tapes

A

Special attention should be given to what the parameter represents

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5
Q

Green Tapes

A

Normal Operations

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6
Q

Where is the max continuous line on the NG tape

A

104.6% (105)

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7
Q

At what level do you get a low fuel caution

A

200lbs

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8
Q

What color does the fuel tape readout turn with low fuel

A

Yellow

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9
Q

Max wind velocity for rotor start/stop

A

45KTS any direction

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10
Q

Power off rotor speeds are authorized up to___ For MTF

A

120%

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11
Q

Operating againsts the rotor break is

A

Not Authorized

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12
Q

Rotor break should not be operated with

A

Engines on, besides and emergency stop. No higher than 76%NR

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13
Q

Routine rotor brake stop criteria

A

Less than 40%NR
150-180PSI
No less than 12s

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14
Q

Minimum/maximum rotor brake start pressure

A

450/690PSI

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15
Q

Use of rotor brake is limited to

A

Single and duel engine starts, and operations at idle
Rotor brake operations are not time limited

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16
Q

When must you make an entry on a -13 about transmission oil pressure

A

If transmission oil pressure is not steady during level flight/hover, if it is steady but under 45PSI, drops of 10 PSI

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17
Q

What will happen if you demand max power from engines with two different ETF’s

A

There will be a torque split to their appropriate MTA. The high power engine may exceed dual engine limits

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18
Q

NP Limits

A

12s transient- 105-107%
Transient- 101-105%
Normal - 95-101%
Transient-91-95%
Avoid- 20-40,60-90%

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19
Q

Power on NR Limits

A

Transient-101-107%
Normal- 95-101%
Transient- 91-95%

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20
Q

Power off NR Limits

A

Max 110%
Transient- 105-110%
Normal-90-105%

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21
Q

NG Limits

A

12 s Transient- 105-106%
Normal- 0-105

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22
Q

Q Limits

A

10s Transient- >80KIAS 100-144%
<80KIAS 120-144%
Normal- >80KIAS 0-100%
<80KIAS 0-120%
Single Engine 10s- 135-144%
Normal- 0-135

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23
Q

TGT Limits

A

12s Transient- 903-949
2.5 min contingency- 879-903
Start Abort- 851
10 min - 846-879
30 min - 793-846
Continuous- 0-793

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24
Q

When is the numerical readout displayed on the TGT tapes

A

793

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25
Engine Oil temperature/ Pressure limits
Temp Continuous -20-150 30 min 135-150 Pressure idle/transient 22-26 continuous 26-100 5 min 100-120
26
Transmission oil temperature/pressure limits
Temp continuous -20-105 precautionary 105-140 Pressure idle/transient 20-30 continuous 30-65 precautionary 65-130 >10 deg 30-35 >15 deg 10-15 Write up if it is steady but below 45 PSI or sudden drops of 10 PSI
27
Fuel Ranges
Normal >200LBS per tank Precautionary <200 LBS per tank
28
What is the engine starting cycle
The interval between start initiation and acceleration of the compressor, zero RPM to starter drop out
29
What is the delay between attempted starts after an abort start
1 min after disengaging the starter
30
Engine start limits
<15 deg 2 starts 3 min rest 2 starts 30 min rest >15 deg 2 starts 30 min rest
31
Cross-bleed starts may not be attempted unless
Engine 1/2 anti ice is off NG>90% NR 100%
32
If above 14,000' how should single engine starts be made
after engaging the starter, wait until an 24% NG Before moving to idle
33
When are Fuel boost pumps used
When required by EP's When using JP4 > 4,000' When operating cross feed with JP4 Changing from JP4 to JP5/8 for 3 refuels
34
What fuel may cause possible hot fuel in engine nacelle area if engine is restarted within 2 hours of shutdown and air temperature is above 21 deg?
JP4- Must have dual engine at 100%NR before take off
35
Weight limitations for UH-60M
MAXGW-22,000 MAXGW w/ sling load over 8,000- 23,500 MAXGW Ferry- 24,500
36
External lift mission weight limits
MXGW above 22,000 lbs requires at least 8,000 lbs up to 9,000 lbs
37
Cargo Floor max weight
300 lbs/sf
38
Storage compartment weight
125 lbs
39
Tiedown fittings capacities
4 ceiling- 4,000lbs 17 floor- 5,000lbs 8 Cargo net- 3,500 lbs
40
Max Cargo hook weight limit
9000 lbs
41
Rescue Hoist weight limit
600lbs
42
Hoist rest cycle
>1 lift, >300lbs - 30s
43
Sling Load VNE's
<8,000 lbs - 140 >8,000 lbs - 120
44
One Engine inop AS
130
45
Autorotation AS
<16,825 - 150 >16,825 - 130 Volcano- 100 Stab man mode inop/ gw>21,000- 120
46
Wind limitation for hovering with ESSS
35KTS
47
SAS/HYD Inop
1-170 2-150 IIMC-140
48
Search/Landing Light Speed limitations
landing Extend-130 MAX-180 Search Extend -100 MAX- 180
49
What are the Rescue Hoist airspeed limitations
Same as Search/Landing light limitations
50
Max Airspeed with Skis
155
51
Cabin/Gunner Window limitations
145/170
52
What speed shall gunner windows not be transitioned past
120
53
What is the readout when aircraft is above VNE with stab man mode
Red VNE arc, Red #'s w/ black outline
54
Prohibited manuevers
Hover turns greater than 30deg/sec +/- 30 deg pitch >60 deg roll Simultaneously moving both EPCL's to idle or off during flight Rearward Ground Taxi
55
When can the stabilator be operated in MAN mode
During Emergencies EP training w/ and IP/SP Maintenance Flights
56
Why must you avoid prolonged rearward flight
Damage to Cabin windows, collection of fumes
57
Manuevers entered from a low power setting may result in
transient droop of greater than 5%
58
What defines the limits of the aircraft apart from chapter 5
Main Rotor Blade Stall
59
How do you recover from main rotor blade stall
Reducing severity of the maneuver, reducing collective, airspeed, or bank angle
60
Abrupt pedal inputs should be avoided above
80 kts
61
Sling load bank angle/rearward airspeed
30 deg 35 kts
62
Rescue hoist max rate of descent
1,000 fpm
63
Bank angle should be limited to what when a primary servo fails
30 deg
64
What can cause a stabilator auto mode failure
30 deg nose low dive maneuver high acceleration take-off
65
What does a beeping audio tone indicate
Stab Auto mode failure
66
Landing Gear limitations
<16,825 lbs Level- 540 Slopes-360 >16,825 lbs Level- 300 Slopes- 180
67
Maximum forward tochdown speed
60 KGS
68
Slope Limits
Nose up/left right - 15deg Nose down- 6 deg For every 5 KTS decrease 2 Deg
69
When using ski's what should you be prepared to do when doing an upslope landing
Use Toe brakes slopes are limited to 10 deg
70
What is the Ice rate meter calibrated for
100KIAS It will read greater at faster airspeeds
71
What is required for icing to occur
4deg or below visible moisture
72
What equiptment is required to fly into icing conditions
Windshield De-ice Pitot Heat Engine Anti-ice Engine Inlet Anti-ice modulating valve Ambient air sensing tube
73
What is required to fly into moderate Icing
icing equiptment plus blade de-ice
74
Full Anti-ice capability can not be provided under
10% Q
75
During icing conditions, pilots should avoid operations under
Low power requirements, cabin heater should be turned off before initiating a high rate of descent
76
Backup Hydraulic pump limitations
-54 -32 Continuous 33-38 24 On/72 Off 39-52 16on/48 off
77
APU Operating Limits
>43 deg/rotor on- 30 mins <51 deg/rotor off - continuous APU oil hot- 30 min cool down
78
Windshield anti-ice check
not to be done >27deg
79
Intentional flight into severe turbulence/heavy icing
Prohibited
80
BFT Operating temperatures
-26degC to 71degC -15degF to 160degF
81
During refuel operations CEF's tanks should be filled to approx
3 inches below the forward edgeof the filler port
82
Authorized CEFS Configurations
2: Outboard 2: Inboard 4: One on each
83
Max Airspeed/FPM for volcano Jettison
110KIAS/500FPM
84
Level Flight CEFS Jettison envilope
0-120 <1Ball 120-VNE Centered
85
Descent CEFS Jettison Envilope
<80KIAS not Recommended 80KIAS-1000FPM 90KIAS- 875FPM 100KIAS- 750FPM 110KIAS- 625FPM 120KIAS- 500FPM >120 KIAS- Not recommended

UH-60 (10 decks)

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