Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

MY UH60M DECKs > Chapter 5 - Limitations > Flashcards

Chapter 5 - Limitations Flashcards

(78 cards)

Start Studying
1
Q

NP Limitations

A

12 - Second Transient 105-107%
Transient (3) 101-105%
Continuous (2) 95-101%
Transient (1) 91-95%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

NR (Rotor) Limitations

(Power On)

A

Power On

TRANSIENT—-101 - 107%

CONTINUOUS—-95 - 101%

TRANSIENT—-91 - 95%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

NR (Rotor) Limitations

Power OFF (Autorotation)

A

Power Off (Autorotation)

MAXIMUM—-110%

TRANSIENT—-105% - 110%

NORMAL—-90% - 105%

UPPER RED RANGE BEGINS AT 110% TO CORRESPOND WITH THE POWER OFF LIMIT

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

NG (Gas Generator) Limitations

A
  • NOTE:*
  • NG DIGITAL READOUT WILL APPEAR WHEN NG INCREASES ABOVE 100%.*

12 SECOND TRANSIENT (2) 105 - 106%

CONTINUOUS (1) 0 - 105%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Torque (Q) Limitations

(10 Second Transient)

A

DUAL - ENGINE:

ABOVE 80 KIAS (4) 100 - 144%

80 KIAS OR BELOW 120 - 144%

SINGLE - ENGINE SINGLE 135 - 144%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Torque (Q) Limitations

(CONTINUOUS)

A

SINGLE - ENGINE 0 - 135%

DUAL - ENGINE:

ABOVE 80 KIAS 0 - 100%

AT OR BELOW 80 KIAS 0 - 120%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

TGT Limitations

A

12 SECOND TRANSIENT 903 - 949 C

2.5 MINUTE TRANSIENT (CONTINGENCY POWER) (4) 879 - 903 C

START ABORT LIMIT 851 C

10 MINUTE LIMIT (3) 846 - 879 C

30 MINUTE LIMIT (2) 793 - 846 C

NORMAL (1) 0 - 793 C

NOTE: ON THE POWER POD TGT IS NOT DISPLAYED UNLESS ABOVE 793 C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

ENGINE OIL TEMPERATURE Limits

A

ENGINE TEMP

30 MINUTE LIMIT (2) 135 - 150 C

CONTINUOUS (1) -20 - 135 C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

ENGINE OIL PRESSURE Limits

A

ENGINE Pressure

5 MINUTE LIMIT (3) 100 - 120 PSI

NORMAL (2) 26 - 100 PSI

IDLE (1) 22 - 26 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

TRANSMISSION OIL TEMPERATURE Limits

A

TRANSMISSION Temp

PRECAUTIONARY (2) 105 - 140 C

CONTINUOUS (1) -20 - 105 C

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

TRANSMISSION OIL PRESSURE Limits

A

TRANSMISSION Pressure

PRECAUTIONARY (3) 65-130 PSI

CONTINUOUS (2) 30-65 PSI

IDLE AND TRANSIENT (1) 20-30 PSI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

FUEL Indication markings

A

NORMAL (1) > 200 (EACH TANK)

PRECAUTIONARY (2) 0 - 200 (EACH TANK)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Engine NP Limitations

NOTE:

Avoid operations in __ - __% and __% - __% NP range except during start and shutdown.

A

20% - 40% and 60% - 90% NP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Engine Starter Limits (below 15°​C)

At ambient temperatures of __°C and below, __ consecutive start cycles may be made, followed by a __ minute rest period, followed by two additional consecutive start cycles. A __ minute rest period is then required before any additional starts.

A

At ambient temperatures of 15°C (59°F) and below, two consecutive start cycles may be made, followed by a 3 minute rest period, followed by two additional consecutive start cycles. A 30 minute rest period is then required before any additional starts.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Engine Starter Limits above 15° C:

At ambient temperatures above ___ up to ___, ___ consecutive start cycles may be made. A ___ minute rest period is then required before any additional start cycles.

A

At ambient temperatures above 15° up to 52°C (59° up to 126°F), two consecutive start cycles may be made. A 30 minute rest period is then required before any additional start cycles.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Fuel boost pumps shall be on when operating with JP-4 or equivalent (as specificed in Operator’s Manual):

(1) At _______ feet pressure altitude and above.
(2) When operating in _____ with JP-4 at ____ altitude.

A

Fuel boost pumps shall be on when operating with JP-4 or

equivalent (as specified in Operator’s Manual):

(1) At 5000 feet pressure altitude and above.
(2) When operating in crossfeed with JP-4 at any altitude.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

PNEUMATIC SOURCE INLET LIMITS:

The minimum ground-air source (pneumatic) required

to start the helicopter engines is __ psig and __ ppm at

___°C. The maximum ground-air source to be applied

to the helicopter is __ psig at _____ °C,

measured at the external air connector on the fuselage.

A

The minimum ground-air source (pneumatic) required

to start the helicopter engines is 40 psig and 30 ppm at

149°C (300°F). The maximum ground-air source to be applied

to the helicopter is 50 psig at 249°C (480°F),

measured at the external air connector on the fuselage.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

ENGINE START LIMITS

CAUTION

Engine start attempts at or above a pressure

altitude of __________ feet could result in

a ___________.

A

Engine start attempts at or above a pressure

altitude of 18,000 feet could result in

a hot start.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

CAUTION

Due to fuel volatility, when converting

from JP-4 to JP-5/JP-8, ____ helicopter

refueling operations must be completed

before performing operations with fuel

boost pumps off.

A

Due to fuel volatility, when converting

from JP-4 to JP-5/JP-8, three helicopter

refueling operations must be completed

before performing operations with fuel

boost pumps off.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

When a helicopter operating with JP-4 is restarted

within ___ hours of engine shutdown and the air temperature

is above ___ , a minimum of ___ minutes of dual

engine ground operation at 100% NR is required prior to

takeoff to purge possible hot fuel from engine nacelle area.

A

When a helicopter operating with JP-4 is restarted

within 2 hours of engine shutdown and the air temperature

is above 21°C (70°F), a minimum of 2 minutes of dual

engine ground operation at 100% NR is required prior to

takeoff to purge possible hot fuel from engine nacelle area.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

HELICOPTER MAXIMUM WEIGHT

UH-60M _____lbs

UH-60M external lift mission _____lbs

ESSS/ERFS helicopter onferry mission _______lbs

(AWR required)

A

HELICOPTER MAXIMUM WEIGHT

UH-60M 22,000 lbs

UH-60M external lift mission 23,500 lbs

ESSS/ERFS helicopter onferry mission 24,500 lbs

(AWR required)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

External lift missions above _____ pounds can only be flown with cargo hook loads above _____ pounds and up to _____ pounds.

A

External lift missions above 22,000 pounds can only be flown with cargo hook loads above 8,000 pounds and up to 9,000 pounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Maximum weight is further limited by cargo floor

maximum capacity of ____ pounds per square foot.

A

Maximum weight is further limited by cargo floor

maximum capacity of 300 pounds per square foot.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Maximum capacity for each storage compartment is _____ pounds.

A

Maximum capacity for each storage compartment is 125 pounds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
## Footnote The four cabin ceiling tiedown fittings have a limited load capability of ______ pounds.
The four cabin ceiling tiedown fittings have a limited load capability of **_4,000_** pounds.
26
The ____ (number) tiedown fittings installed on the cargo floor can restrain a ____ pound load in any direction.
The **_17_** tiedown fittings installed on the cargo floor can restrain a **_5,000_** pound load in any direction.
27
The ____ (number) net restraint rings in the cargo compartment are rated at _____ pound capacity in any direction.
The **_eight_** net restraint rings in the cargo compartment are rated at **_3,500_** pound capacity in any direction.
28
The maximum weight that may be suspended from the cargo hook is _____ pounds.
The maximum weight that may be suspended from the cargo hook is **_9,000_** pounds.
29
## Footnote Maximum airspeed with external cargo hook loads up to _____ pounds is ____ KIAS and greater than _____ pounds and a corresponding gross weight greater than ____ pounds will vary due to the external load physical configuration, but shall not exceed ____ KIAS.
Maximum airspeed with external cargo hook loads up to **_8,000_** pounds is **_140_** KIAS and greater than **_8,000_** pounds and a corresponding gross weight greater than **_22,000_** pounds will vary due to the external load physical configuration, but shall not exceed **_120_** KIAS.
30
Maximum airspeed for one engine inoperative is ______ KIAS.
Maximum airspeed for one engine inoperative is **_130_** KIAS.
31
Maximum airspeed for autorotation at a gross weight of ____ pounds or less is ___ KIAS.
Maximum airspeed for autorotation at a gross weight of **_16,825_** pounds or less is **_150_** KIAS.
32
Maximum airspeed for autorotation at a gross weight of ____ pounds or more is ____ KIAS.
Maximum airspeed for autorotation at a gross weight of **_16,825_** pounds or more is **_130_** KIAS.
33
Sideward/rearward flight limits. Hovering in winds greater than ____ knots (\_\_\_ knots with ESSS) from the sides or rear is prohibited.
Sideward/rearward flight limits. Hovering in winds greater than **_45_** knots (**_35_** knots with ESSS) from the sides or rear is prohibited.
34
Sideward/Rearward flight into the wind, when combined with windspeed, shall not exceed \_\_\_ knots (\_\_\_ knots with ESSS).
Sideward/Rearward flight into the wind, when combined with windspeed, shall not exceed **_45_** knots (**_35_** knots with ESSS).
35
SAS inoperative airspeed limits: (1) One SAS inoperative - ____ KIAS. (2) Two SAS inoperative - ____ KIAS. (3) Two SAS inoperative in IMC - ___ KIAS.
SAS inoperative airspeed limits: (1) One SAS inoperative - **_170_** KIAS. (2) Two SAS inoperative - **_150_** KIAS. (3) Two SAS inoperative in IMC - **_140_** KIAS.
36
**Hydraulic system inoperative limits:** (1) One hydraulic system inoperative - ____ KIAS. (2) Two hydraulic systems inoperative - ____ KIAS. (3) Two hydraulic systems inoperative in IMC - ____ KIAS.
Hydraulic system inoperative limits: (1) One hydraulic system inoperative - **_170_** KIAS. (2) Two hydraulic systems inoperative - **_150_** KIAS. (3) Two hydraulic systems inoperative in IMC - **_140_** KIAS.
37
If use is required, the landing light must be extended prior to reaching a maximum forward airspeed of ____ KIAS. With landing light extended, airspeed is limited to \_\_\_KIAS.
If use is required, the landing light must be extended prior to reaching a maximum forward airspeed of **_130_** KIAS. With landing light extended, airspeed is limited to **_180_** KIAS.
38
If use is required, the searchlight must be extended prior to reaching a maximum forward airspeed of ____ KIAS. With searchlight extended, airspeed is limited to ____ KIAS.
## Footnote If use is required, the searchlight must be extended prior to reaching a maximum forward airspeed of **_100_** KIAS. With searchlight extended, airspeed is limited to **_180_** KIAS.
39
The maximum airspeed for autorotation shall be limited to ____ KIAS with Volcano installed.
The maximum airspeed for autorotation shall be limited to **_100_** KIAS with Volcano installed.
40
Maximum airspeed with skis installed is ____ KIAS
Maximum airspeed with skis installed is **_155_** KIAS
41
Cabin door(s) may be fully open up to ____ KIAS
Cabin door(s) may be fully open up to **_145_** KIAS
42
Gunner window(s) may be fully open up to ____ KIAS.
Gunner window(s) may be fully open up to **_170_** KIAS.
43
Flight with cockpit door(s) removed is _______.
Flight with cockpit door(s) removed is **_prohibited_**.
44
Flight with cabin door(s) open is ____ \_\_\_\_\_\_\_ with Volcano installed.
Flight with cabin door(s) open is **_not authorized_** with Volcano installed
45
Manual control available. If the automatic stabilator control system fails in flight and operation cannot be restored: (1) The stabilator shall be set _____ at speeds below ____ KIAS. (2) The stabilator shall be set at ____ at speeds above ____ KIAS. (3) Autorotation airspeed shall be limited to ____ KIAS at all gross weights.
Manual control available. If the automatic stabilator control system fails in flight and operation cannot be restored: (1) The stabilator shall be set **full down** at speeds below **_40_** KIAS. (2) The stabilator shall be set at **0°** at speeds above **_40_** KIAS. (3) Autorotation airspeed shall be limited to **_120_** KIAS at all gross weights.
46
Hovering turns greater than ____ ° per second are prohibited. Intentional maneuvers beyond attitudes \_\_\_° pitch or over \_\_\_° roll are prohibited.
Hovering turns greater than **_30_**° per second are prohibited. Intentional maneuvers beyond attitudes of **_+/- 30_**° pitch or over **_60_**° roll are prohibited.
47
Rearward ground taxi is ________ .
Rearward ground taxi is **_prohibited_**.
48
Manual operation of the stabilator in flight is **\_\_\_\_\_** except as required by formal training and maintenance test flight requirements or as alternate stabilator control in case the _**\_\_\_\_\_**_ mode malfunctions.
Manual operation of the stabilator in flight is **_prohibited_** except as required by formal training and maintenance test flight requirements or as alternate stabilator control in case the **_AUTO_** mode malfunctions.
49
Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of _**\_\_\_\_\_\_\_**_in the helicopter and heat damage to **\_\_\_\_\_** on open cargo doors.
Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of **_exhaust fumes_** in the helicopter and heat damage to **_windows_** on open cargo doors.
50
Above _____ KIAS avoid abrupt, full pedal inputs to prevent excess tail rotor system loading.
Above **_80 KIAS_** avoid abrupt, full pedal inputs to prevent excess tail rotor system loading.
51
If the automatic stabilator control system fails in flight and operation cannot be restored: (1) The stabilator shall be set full down at speeds below ___ KIAS (2) The stabilator shall be set at 0° at speeds above ___ KIAS. (3) Autorotation airspeed shall be limited to ___ KIAS at all gross weights.
If the automatic stabilator control system fails in flight and operation cannot be restored: (1) The stabilator shall be set full down at speeds below **_40_** KIAS (2) The stabilator shall be set at 0° at speeds above **_40_** KIAS. (3) Autorotation airspeed shall be limited to **_120_** KIAS at all gross weights.
52
Maneuvering limitations with a sling load are limited to a maximum of \_\_\_° angle of bank in forward flight.
Maneuvering limitations with a sling load are limited to a maximum of **_30°_** angle of bank in forward flight.
53
Rearward flight with sling load is limited to ___ knots.
Rearward flight with sling load is limited to **_35_** knots.
54
Bank angles shall be limited to \_\_\_\_° when a PRI SERVO FAIL caution appears.
Bank angles shall be limited to **_30°_** when a PRI SERVO FAIL caution appears.
55
Do not exceed a touchdown sink rate of ____ feet-per minute on level terrain and ____ feet-per-minute on slopes with gross weights of up to 16,825 pounds; Above 16,825 pounds gross weight do not exceed ____ feet-per-minute on level terrain and ____ feet-per-minute on slopes.
Do not exceed a touchdown sink rate of **_540_** feet-per minute on level terrain and **_360_** feet-per-minute on slopes with gross weights of up to 16,825 pounds. Above 16,825 pounds gross weight do not exceed **_300_** feet-per-minute on level terrain and **_180_** feet-per-minute on slopes.
56
Maximum forward touchdown speed is limited to ____ knots ground speed on level terrain.
Maximum forward touchdown speed is limited to **_60_** knots ground speed on level terrain.
57
NOTE Because of the flat profile of the main transmission and forward location of both transmission oil pumps, transmission oil pressure will drop during nose-up slope operations. At slope angle of \_\_\_°, an indicated oil pressure of ___ to ___ psi is normal; and at a \_\_\_° slope angle, a pressure in the range of ___ to ___ psi is normal due to pitching of the helicopter.
**NOTE** Because of the flat profile of the main transmission and forward location of both transmission oil pumps, transmission oil pressure will drop during nose-up slope operations. At slope angle of **_10°_**, an indicated oil pressure of **_30_** to **_35_** psi is normal; and at a **_15_**° slope angle, a pressure in the range of **_10_** to **_15_** psi is normal due to pitching of the helicopter.
58
\_\_\_\_° nose-up, right wheel up or left wheel upslope. The slope limitations shall be further reduced by \_\_\_° for every ___ knots of wind
**_15_**° nose-up, right wheel up or left wheel upslope. The slope limitations shall be further reduced by **_2_**° for every **_5_** knots of wind
59
\_\_\_° nose downslope. Landing in downslope conditions with tail winds greater than ___ knots shall not be conducted.
**_6_**° nose downslope. Landing in downslope conditions with tail winds greater than **_15_** knots shall not be conducted.
60
The main gearbox may be operated up to ___ minutes at a time with pressure fluctuations when the helicopter is known to be at a nose-up attitude
The main gearbox may be operated up to **_30_** minutes at a time with pressure fluctuations when the helicopter is known to be at a nose-up attitude
61
Helicopters with the following equipment installed, operational, and turned on are permitted to fly into trace or light icing conditions. Flight into light icing is not recommendedwithout the blade deice. Flight into moderate icingshall comply with paragraph 5.30 c. (1) ______ \_\_\_\_\_. (2) ______ \_\_\_\_. (3) ______ \_\_\_\_. (4) ______ \_\_\_ ___ \_\_\_\_\_ _____ \_\_\_\_. (5) ______ \_\_\_\_\_ _____ \_\_\_\_ ____.
Helicopters with the following equipment installed, operational, and turned on are permitted to fly into trace or light icing conditions. Flight into light icing is not recommended without the blade deice. Flight into moderate icing shall comply with paragraph 5.30 c. (1) **_Windshield Anti-ice._** (2) **_Pitot Heat._** (3) **_Engine Anti-ice._** (4) **_Engine Inlet Anti-ice Modulating Valve._** (5) **_Insulated Ambient Air Sensing Tube._**
62
For flight into _____________, all equipment in paragraph ______ and _______must be installed, operational, and turned on.
For flight into **_moderate icing conditions_**, all equipment in paragraph **_5.30b (WIPEE)_**. and **_blade deice_** must be installed, operational, and turned on.
63
Flight into ____ or ____ icing is ______.
Flight into **_heavy_** or **_severe_** icing is **_prohibited_**.
64
Helicopters equipped with _____________ are ______ from flight into icing conditions
Helicopters equipped with **_blade erosion kit tape_** are **_prohibited_** from flight into icing conditions
65
During prolonged ground operation of the backup pump with the rotor system static, the backup pump is limited to the following temperature/time/cooldown limits because of hydraulic fluid overheating. ___° to ___°; operate____, cool____ ___° to ___°; operate____, cool____ ___° to ___°; operate____, cool____
During prolonged ground operation of the backup pump with the rotor system static, the backup pump is limited to the following temperature/time/cooldown limits because of hydraulic fluid overheating. **-54°** to **32°**; operate **unlim**, cool **NA** **33°** to **38°**; operate **24**, cool **72** **39°** to **52°**; operate **16**, cool **48**
66
To prevent APU overheating, APU operation at ambient temperature of \_\_\_°C and above with engine and rotor operating, is limited to ___ minutes. With engine and rotor not operating, the APU may be operated continuously up to an ambient temperature of \_\_\_°C. If APU OIL HOT caution appears a ___ minute cooling period is required, before checking oil level.
To prevent APU overheating, APU operation at ambient temperature of **_43_**°C (109°F) and above with engine and rotor operating, is limited to **_30_** minutes. With engine and rotor not operating, the APU may be operated continu ously up to an ambient temperature of **_51_**°C (124°F). If APU OIL HOT caution appears a **_30_** minute cooling period is required, before checking oil level.
67
Windshield anti-ice check shall not be done when FAT is over \_\_\_°C.
Windshield anti-ice check shall not be done when FAT is over **_27_**°C (80°F).
68
Intentional flight into _____ turbulence is _________. Intentional flight into thunderstorms is ________. Intentional flight into turbulence with a sling load attached and an inoperative collective trim is _______.
Intentional flight into **severe** turbulence is **_prohibited._** Intentional flight into thunderstorms is **_prohibited._** Intentional flight into turbulence with a sling load attached and an inoperative collective trim is **_prohibited._**
69
With both UES and EIBF installed, do not hover in winds coming from the right side ___ degrees off the nose for more than ____ minutes.
With both UES and EIBF installed, do not hover in winds coming from the right side **_90_** degrees off the nose for more than **_5_** minutes.
70
Simultaneous moving of both ENG POWER CONT levers to _____(throttle chop) in flight is prohibited
IDLE or OFF
71
BFT Operating Temp
-26 to 71 °C
72
When is NG on the Power Pod?
By exception; - either NG exceeds 100% - an engine is out - \>5% difference between NGs
73
When is TGT on the Power Pod?
By exception; - TGT exceeds 793 C - an engine is out - \>75 C difference between TGT1/TGT2.
74
APU Operations Rotor/Eng ___ ; ___ °C; ___ minutes Rotor/Eng ___ ; ___ °C; ___ APU OIL HOT CAUTION = ___ cooling
APU Operations Rotor/Eng ON ; >_43 °C; 30 minutes Rotor/Eng OFF ; <_ 51 °C; UNLIMITED APU OIL HOT CAUTION = 30 MIN cooling
75
Stabilator Failure Autorotation Airspeed
120 KIAS
76
Side/Rearward Hover Max Airspeed
45 KIAS
77
Max Pitch
+- 30°
78
Hover Turns
30° / second

MY UH60M DECKs (2 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions