Chapter 5 Flashcards Preview

CBP UH60 A+/L 5&9 (Change 9) > Chapter 5 > Flashcards

Flashcards in Chapter 5 Deck (47):
1

 Oil pressure should remain steady during steady state forward flight or in level hover. Momentary fluctuations in oil pressure may occur during transient maneuvers (i.e. hovering in gusty wind conditions), or when flying with pitch attitudes above +6 degrees. These types of oil pressure fluctuations are acceptable, even when oil pressure drops into the yellow range (_______). Oil pressure should remain steady and should be in the ___ to ___ psi range for the UH-60A+, and ___ to ___ psi range for the UH-60L.

below 30 psi

45 to 55

45 to 60

2

If oil pressure is not steady during steady state forward flight or in a level hover, or if oil pressure is steady but under ___psi, make an entry on DA Form 2408-13-1. Sudden pressure drops (more than ___psi) without fluctuations require an entry on DA Form 2408-13-1.

45psi 10psi

3

Maximum wind velocity for rotor start and stop is ___KTS from any direction

45kts

4

Engine Ng (A+ & L)

___sec Trans ___-___

___min limit ___-___

Continuous ___-___

Engine Ng (A+ & L)

12 sec Trans 102-105

30 min limit 99-102

Continuous 0-99

5

Fuel Quantity (A+ & L)

Normal ___-___

Precautionary ___-___

Fuel Quantity (A+ & L)

Normal 200-1500

Precautionary 0-200

6

Engine Oil Temp (A+ & L)

___min limit ___-___

Continuous ___-___

Engine Oil Temp (A+ & L)

30 min limit 135-150

Continuous -50-135

7

Engine % RPM 1-2 (A+ & L)

12 sec Trans ___-___

Transient ___-___

Continuous ___-___

Transient ___-___

Avoid operations in the ___-___and ___-___range except during start and shutdown.

Engine % RPM 1-2 (A+ & L)

12 sec Trans 105-107

Transient 101-105

Continuous 95-101

Transient 91-95

Avoid operations in the 20-40 and 60-90 range except during start and shutdown.

8

Main Rotor % RPM R (A+ & L)

Power On

Transient ___-___

Continuous ___-___

Transient ___-___

Power Off

Maximum ___

Transient ___-___

Normal ___-___

Main Rotor % RPM R (A+ & L)

Power On

Transient 101-107

Continuous 95-101

Transient 91-95

Power Off

Maximum 110

Transient 105-110

Normal 90-105

9

Engine Oil Pressure (A+ & L)

___min limit ___-___

Normal ___-___

Idle ___-___

___psi min at ___%Ng and above

Engine Oil Pressure (A+ & L)

5 min limit 100-120

Normal 26-100

Idle 22-26

35psi min at 90% Ng and above

10

Any time an operational limit is exceeded, an appropriate entry shall be made on DA Form 2408-13. Entry shall state what limit(s) were ______, ______, ______, and ____________that would aid maintenance personnel in the maintenance action that may be required. The helicopter shall _________________________until corrective action is taken

- exceeded

- range

- time beyond limits

- any additional data

- not be flown

11

Engine % TRQ (A+)

___ - Second Transient

Dual-Engine ___-___

Single-Engine ___-___

Continuous

Single-Engine Only ___-___

Continuous

Dual-Engine ___-___

Engine % TRQ (A+)

10 - Second Transient

Dual-Engine 100% - 125%

Single-Engine 110% - 135%

Continuous

Single-Engine Only 0% - 110%

Continuous

Dual-Engine 0% - 100%

12

Engine % TRQ (L)

___ - Second Transient

Dual-Engine

   Above 80KIAS ___ - ___

   80KIAS or Below ___ - ___

Single-Engine ___ - ___

Continuous

Single-Engine ___ - ___

Dual-Engine

   Above 80KIAS ___ - ___

   80KIAS or Below ___ - ___

Engine % TRQ (L)

10 - Second Transient

Dual-Engine

   Above 80KIAS 100% - 144%

   80KIAS or Below 120% - 144%

Single-Engine 135% - 144%

Continuous

Single-Engine 0% - 135%

Dual-Engine

   Above 80KIAS 0% - 100%

   80KIAS or Below 0% - 120%

13

Main Transmission Oil Pressure (A+/L)

Precautionary ___-___

Continuous ___-___

Idle and Transient ___-___

Main Transmission Oil Pressure (A+/L)

Precautionary 65-130 PSI

Continuous 30-65 PSI

Idle and Transient 20-30 PSI

14

Main Transmission Oil Temp (A+)

Precautionary ___-___

Continuous ___-___

Main Transmission Oil Temp (A+)

Precautionary 105-120

Continuous -50-105

15

Main Transmission Oil Temp (L)

Precautionary ___-___

Continuous ___-___

Main Transmission Oil Temp (L)

Precautionary 105-140

Continuous -50-105

16

Engine Starter Limitations At ambient temperature of ___C and below, ___consecutive start cycles may be made followed by a ___minute rest period, followed by ___additional start cycles. A ___minute rest period is then required. At ambient temperatures above ___C up to ___C, ___consecutive start cycles may be made. A ___minute rest period is then required before any additional start cycles.

Engine Starter Limitations At ambient temperature of 15 °C and below, 2 consecutive start cycles may be made followed by a 3 minute rest period, followed by 2 additional start cycles. A 30 minute rest period is then required. At ambient temperatures above 15 °C up to 52 °C, 2 consecutive start cycles may be made. A 30 minute rest period is then required before any additional start cycles.

17

Pneumatic Source Inlet Limits The minimum air source required to start the helicopter is ___psig and ___ppm at ___C. The maximum is ___psig at ___C.

Pneumatic Source Inlet Limits The minimum air source required to start the helicopter is 40 psig and 30 ppm at 149°C. The maximum is 50 psig at 249 °C.

18

Engine Overspeed Check Limitations Engine overspeed check in flight is __________. Engine overspeed checks, on the ground are authorized by __________________________.

- prohibited

- designated maintenance personnel only

19

Engine Start Limits Crossbleed start shall not be attempted unless the ____________________ or ________________advisory does not appear, and the operating engine must be at ___%NG speed or above and rotor speed at ___%RPMR

- #1 ENG ANTI ICE ON or #2 ENG ANTI ICE ON

- 90%NG speed or above

- rotor speed at 100% RPMR

20

Maximum capacity for each storage compartment is ____ .

- 125 pounds

21

Maximum cargo hook capacity (UH-60A) ______ .

- 8000 pounds

22

Max weight is further limited by cargo floor maximum capacity of _____________ .

- 300 lbs per square foot

23

Max airspeed for one engine inoperative ____ .

- 130 KIAS

24

Max autorotational airspeed gross weight at 16825 lbs or less ____ .

- 150 KIAS

25

Max autorotational airspeed gross weight more than 16825 lbs is ____ .

- 130 KIAS

26

Sideward/rearward flight into the wind, when combined with windspeed, shall not exceed ____ .

- 45 KTS

27

SAS Inoperative

1 SAS - ___

2 SAS - ___

2 SAS and IMC - ___

- 170 KIAS

- 150 KIAS

- 140 KIAS

28

HYD Inop

1 HYD ___

2 HYD ___

2 HYD and IMC ___

- 170 KIAS

- 150 KIAS

- 140 KIAS

29

Maximum airspeed for:

Extending Landing Light ____

Extended Landing Light ____

Extending Search Light ____

Extended Search Light ____

- 130 KIAS

- 180 KIAS

- 100 KIAS

- 180 KIAS

30

Cabin doors may be fully open up to ____ with soundproofing installed aft of station 379.

- 100 KIAS

31

Cabin doors may be fully open up to ____ with soundproofing removed aft of station 379 or with sound proofing secured properly.

- 145 KIAS

32

Gunner's window(s) may be fully open up to ____ .

- 170 KIAS

33

Stabilator shall be full down at speeds ____KIAS and below. Stabilator shall be set at zero degrees at speeds above ____KIAS. Autorotation airspeed shall be limited to ____KIAS at all gross weights Placard airspeed limits shall be observed as not-to-exceed speed (powered flight and autorotation), except in no case shall the autorotation limit exceed ____KIAS

Stabilator shall be full down at speeds 40KIAS and below. Stabilator shall be set at zero degrees at speeds above 40 KIAS. Autorotation airspeed shall be limited to 120 KIAS at all gross weights Placard airspeed limits shall be observed as not-to-exceed speed (powered flight and autorotation), except in no case shall the autorotation limit exceed 120 KIAS

34

Hovering turns greater than ____per second are prohibited. Intentional meneuvers beyond attitudes of ____in pitch or over ____in roll are prohibited. Simultaneous moving of ________________to _____ or _____ in flight is prohibited. _________ ground taxi is prohibited

Hovering turns greater than 30° per second are prohibited. Intentional meneuvers beyond attitudes of ±30° in pitch or over 60° in roll are prohibited. Simultaneous moving of both ENG POWER CONT levers to IDLE or OFF in flight is prohibited. Rearward ground taxi is prohibited

35

Manual operation of the stabilator in flight is __________ except as required by formal training and ______________________ requirements or as alternate stabilator control in case of AUTO mode malfunctions. Prolonged rearward flight and downwind hovering are to be avoided to prevent accumulation of _______________ in the helicopter and _________________ to windows on ________________

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 of AUTO mode malfunctions. 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

36

NOTE: Maneuvers entered from a low power setting may result in ______________ of ______ RPMR or greater. High Speed Yaw maneuver limitations Above ____ KIAS avoid _______________ to prevent excess tail rotor system loading

NOTE: Maneuvers entered from a low power setting may result in transient droop of 5 % RPMR or greater. High Speed Yaw maneuver limitations Above 80 KIAS avoid full pedal inputs to prevent excess tail rotor system loading

37

Bank angle shall be limited to _____ when either PRI SERVO PRESS caution light appears

- 30°

38

Do not exceed a touchdown sink rate (feet-per-minute) of:

Up to 16,825#

   Level ____ FPM

   Slopes ____ FPM

Greater than 16,825#

   Level ____ FPM

   Slopes ____ FPM

Up to 16,825#

   Level 540 FPM

   Slopes 360 FPM

Greater than 16,825#

   Level 300 FPM

   Slopes 180 FPM

39

Maximum forward touchdown speed is limited to ____ knots ground speed on level terrain

- 60

40

Slope Limits ____nose-up, right wheel up or left wheel up, reduced by ____ for each ____ knots of wind. ____ nose downslope. Landing in nose downslope conditions with tail winds greater than ____ KTS shall not be conducted. 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

- 15° nose-up, right wheel up or left wheel up

- reduced by 2° for each 5 knots of wind

- 6° nose downslope

- 15 KTS

- 30 minutes

41

Helicopters with the following equipment installed, operational, and turned on are permitted to fly into trace or light icing conditions 1.______________________________________________ 2.______________________________________________ 3.______________________________________________ 4.______________________________________________ 5.______________________________________________ For flight into moderate icing conditions, all equipment (listed above) and ____________ must be installed, operational, and turned on. Flight into heavy or severe icing is ________________.

1. Windshield anti ice

2. Pitot heat

3. Engine anti ice

4. Engine inlet anti ice modulating valve

5. Insulated ambient air sensing tube

For flight into moderate icing conditions, all equipment (listed above) and blade deice kit must be installed, operational, and turned on. Flight into heavy or severe icing is prohibited.

42

Backup hydraulic pump hot weather limits with the rotor system static

-54°C - 32°C

   Operating - Unlimited

   Cooldown - N/A

33°C - 38°C

   Operating - 24 minutes

   Cooldown - 72 minutes

39°C - 52°C

   Operating - 16 minutes

   Cooldown - 48 minutes

43

APU Operating Limits To prevent APU overheating, at ambient temperature of _____ and above with the engine and rotor operating is limited to ____ minutes. With the engine and rotor not operating the APU can be operated _____________ up to a temperature of ____ .

43°C

30 minutes

continuously

51°C

44

Windshield anti-ice check shall not be done when FAT is over _____ .

27°C

45

Turbulence and Thunderstorm Operation Intentional flight into thunderstorms is ___________. Intentional flight into _________ turbulence is prohibited. Intentional flight into turbulence with a sling load attached and an inoperative __________________ is prohibited

Turbulence and Thunderstorm Operation Intentional flight into thunderstorms is prohibited. Intentional flight into severe turbulence is prohibited. Intentional flight into turbulence with a sling load attached and an inoperative collective pitch control is prohibited

46

Dual-engine operations with the gust lock engaged are ______________. Single-engine operation with the gust lock engaged will be performed by authorized pilot(s) at ________ only. Gust lock shall not be _________ with engine running

prohibited

idle

disengaged

47

TGT (A+/L)

12 - Second Transient ___-___

2.5 Minutes Transient ___-___

Start/Abort Limit ___

10 - Minute Limit ___-___

30 - Minute Limit ___-___

Normal Limit  ___-___

TGT (A+/L)

12 - Second Transient 903 - 949°C

2.5 Minutes Transient 878 - 903°C

Start/Abort Limit 851°C

10 - Minute Limit 851 - 878°C

30 - Minute Limit 810 - 851°C

Normal Limit 0 - 810°C