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TH-73 > redo2 > Flashcards

redo2 Flashcards

1
Q

N1 Limits

A

Min: 51%
Cautionary Auto only: 51-60%
Continuous: 60-100.1%
Take off (5min): 100.1-103.2%
Max T/O: 103.2%
Transient (30 sec): 103.8%

note: transient not to be used intentionally
note: idle may drop below 60% when systems are turned on

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2
Q

N2 limits

A

Min: 95%
Cautionary: 95-101%
Continuous: 101-103%
Max: 103%
Transient (10 sec): 108%

Caut: when we see 103% it is anything between 102.5 and 103.49 thus we may be in the transient range without knowing

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3
Q

ITT limits for normal ops

A

max cont: 755 C
take off (5 min): 755-810 C
Max T/O: 810 C
Transient (5 sec): 860

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4
Q

ITT limits for starting

A

Max: 870 C
Transient (2 sec between 980 and 1090): 1090 C

note linear variation applies above 870 10 sec, and 980 C 2 sec

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5
Q

Torque limits

A

max cont: 100%
take off (5 min): 100-108.5%
Max T/O: 108.5%
Transient (6 sec): 115%

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6
Q

Nr limit (power on)

A

Min: 95%
Cautionary: 95-101%
Continuous: 101-103%
Max: 103%
Transient (10 sec): 108%

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7
Q

Nr limit (power off)

A

Transient (10 sec): 80%
Min: 90%
Continuous: 90-110%
Max: 110%

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8
Q

Fuel px limits

A

cautionary: 0-7 psi
continuous: 7-25 psi
max: 25 psi

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9
Q

min fuel on landing

A

shall be no less than 50 lb in the #1 cell

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10
Q

Eng Oil Px

A

min: 40 psi
cautionary (N1<72%): 40-80 psi
Continuous: 80-110 psi
max: 110 psi

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11
Q

Eng Oil Temp

A

min Oat for starting: -25

continuous: 10-115 C
Max: 115 C
Transient (5 min with N1 at 61+/-1): 127 C

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12
Q

XMSN oil px

A

min 30 psi
continuous 30-55 psi
cautionary 55-70 psi
max 70 psi

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13
Q

xmsn oil temp

A

min OAT for start -25

continuous 0-115 C
Max 115 C

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14
Q

Eng Starter limit (BATT)

A
  1. 40 sec on 60 sec off
  2. 40 sec on 60 sec off
  3. 40 sec on 30 min off
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15
Q

Eng Starter Limit (ext pwr)

A
  1. 25 sec on 60 sec off
  2. 25 sec on 60 sec off
  3. 25 sec on 30 min off
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16
Q

Gen Amp limits

A

continuous: 0-200 A
Max 200 A
transient (5 sec) 300A

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17
Q

Aux Gen Amp limits

A

Continuous 0-150 A
Max 150 A
Trans (5 sec) 150 A

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18
Q

Hyd px

A

min 1200 psi
cautionary 1200-1400 psi
continuous 1400-1600 psi
max 1600 psi

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19
Q

Vne IFR

A

145 kias or Vne pow on lim

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20
Q

Vmini (min IFR)

A

60 kias

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21
Q

V min app

A

60 kias

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22
Q

v max app

A

130 kias

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23
Q

min airspeed for auto (without close ext ref)

A

60 kias

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24
Q

max airspeed with torque between 100-108.5

A

75 kias

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25
Q

Vne with one or both doors removed/open

A

85 kias

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26
Q

Vne with door opening or closing

A

70 kias

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27
Q

Max V for moving searchlight

A

120 kias

28
Q

Vne with searchlight ext

A

none

29
Q

Vne with ext load on cargo hook

A

SL-5000 100 kias
5000’+ decrease 3 kt every 1000’ from 100 kias

30
Q

Vne

A

in accordance with table
but generally 152 kias

31
Q

Max fwd speed at touchdown after eng fail

A

50 kias

32
Q

Vne while hoisting

A

none stationary only

33
Q

Max Operating Alt

A

15000’ Hp

34
Q

Min amb air

A

-13 F (-25 C)

35
Q

Max amb air

A

122 F (50 C)

decreases with adiabiatic lapse rate every 1000’

36
Q

Slope limits

A

nose up 12 deg
x slope 10 deg
nose down 2 deg
nose down (unobstructed tail) 5 deg

37
Q

Max GW for ground ops not to include towing or t/o)

A

6393 lb

38
Q

Max GW

A

6283 lb

39
Q

Min GW for flight

A

3803 lb

40
Q

Max GW with ext load on cargo hook

A

6944 lb

41
Q

Min use height for helipilot with both helipilot operative

A

fly attentive below 500’ AGL
fly manually below 250’ AGL

42
Q

min use height for one helipilot inop (Sas 1 or 2)

A

fly attentive above 500’ AGL
fly manually below 500’ AGL

43
Q

One helipilot inop airspeed and ROC

A

130 kias
750 FPM

flight attentive
fly manual in all other conditions

44
Q

FD mode min use height

A

all modes in cruise/climb/descent 500’ AGL

all modes during appr 50’ AGL

45
Q

ILS steepest appr gradient

A

3.0 deg

46
Q

ILS max ROD

A

1000’ FPM

47
Q

Max airspeed with FD engaged or coupled with any helipilot inop

A

100 kias

48
Q

Max load of baggage compartment

A

250 lb

49
Q

max unit load of baggage compartment

A

102 lb/sqft

50
Q

bleed air heater usage

A

should be off for all T/O and landing and shall be off in all flight conditions requiring max eng power available

51
Q

Max Nr for rotor brake

A

40%

52
Q

Max hoist load

A

450 lb

53
Q

max avail hoist length

A

164’

54
Q

Cargo hook load limit

A

up to 9000’ 3086 lb
over 9000’ minus 110lb for every 1000’

55
Q

Min equip for IFR ops

A

Helipilot (AFCS)
SAS 1/2, ATTD Hold operational and on
Elec Sys
Pri DC gen, Aux DC gen, Batt all operational
Hyds
Hyds 1 and 2 on and operational

56
Q

Prohibited ops

A

prohibited from operating in icing conditions
IFR ops prohibited with any doors open/removed or with ext load

57
Q

Prohibited maneuvers

A

aerobatic maneuvers
protracted operations in avoid region of HV diagram
intentional entry into retreating blade stall

58
Q

Required Equipment for night/overwater flight

A

RADALT
VSI

59
Q

N2/Nr transient time limit

A

10 seconds

60
Q

N1 transient time limit

A

30 seconds

61
Q

Torque transient time limit

A

6 seconds

62
Q

Normal ITT transient time limit

A

5 seconds

63
Q

Starting ITT transient time limit

A

(linear scale)10 sec up to 980 2 sec up to 1090

64
Q

Eng Oil Temp Transient Time limiet

A

5 min with N1 at 61+-1%

65
Q

Amp transient time limit

A

5 seconds

TH-73 (21 decks)

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