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AH-1Z > NATOPS > Flashcards

NATOPS Flashcards

Systems Knowledge

1
Q

T700-GE 401 and 401C SHP?

A 
401 = 1690
401C = 1800
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2
Q

Max GW for T/O?

A

18,500lbs

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3
Q

Ng > __________ causes Ng governor to cut fuel flow causing flameout.

A

110+/-2

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4
Q

3 Functions of ODV

A
  1. Send fuel to manifold
  2. Return fuel to HMU during Np overspeed/Hot Start preventer
  3. Fuel overboard during shutdown
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5
Q

When Np exceeds ______ the DECU signals the overspeed solenoid on the ODV stopping fuel flow to the engine

A

115.6 +/- 1.1

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6
Q

MGT > than _______ will activate the MGT limiter feature of the engine DECUs resulting in Nr decay

A 
401 = 910 C
401C = 891 C
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7
Q

Hot Start Preventer

A

Ng < 60%
Np < 50%
MGT > 900C
* ODV solenoid remains latched for 25 secs or until mGT < 300C

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8
Q

Starter disengagement occurs @ ______% Ng

A

55 +/-3

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9
Q

of igniter plugs for each engine

A

2

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10
Q

Engine RPM wheel allows adjustment of both engines simultaneously in range of _________Np

A

94-101% Np

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11
Q

Engine out warning occurs?

A

Ng < 60%

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12
Q

What is the M/R RPM at 100% Nr

A

296

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13
Q

What is the T/R RPM at 100% Nr

A

4916

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14
Q

Loss of MRGB oil pressure will render the helicopter unflyable within ____mins

A

15

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15
Q

MRGB level low indication likely to illuminate if A/C restarted within ____mins of shutting down from previous flight.

A

30-60

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16
Q

Total loss of electrical power will result in uncontrolled rising of CBOX oil temp which will render helicopter unflyable w/in ______mins

A

2.5

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17
Q

Total fuel capacity

A

409, 5 unusable

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18
Q

Under normal conditions:

  1. fwd fuel cell supplies ______
  2. aft fuel cell supplies
A
  1. Eng 1 and APU

2. Eng 2

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19
Q

The canister volumes ensures fuel for a minimum of _____secs of negative g flight.

A

5 seconds

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20
Q

When the APU PBA is pushed the _____ opens and _____ is energized.

A

APU SOV, fwd fuel cell boost pump

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21
Q

When does FWD and AFT fuel tank lo lights come on?

A

287lbs

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22
Q

Max gravity fuel rate to prevent modulating fuel into tanks

A

138 gpm

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23
Q

When does aux fuel begin to transfer

A

approx 750 lbs have been used in internal fuel tanks

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24
Q
  1. Engine flame out occurs w/in ___ secs with loss of eng-driven suction pump.
  2. Does fuel cell boost pumps provide sufficient fuel pressure and volume for normal operation?
A
  1. 15 secs

2. Yes

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25
Q

What is the APU fuel burn rate?

A

150lbs/hr

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26
Q

What is the APU air-cooled starter-generator rated amps?

A

200 amps

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27
Q

What are the DC generators rated at?

A

28V, 400 amps

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28
Q
  1. What is the battery rated at and how long does it provide power to the essential bus? 2. How many Nickel Cadmium cells?
A
  1. 24V and 25 amp-hr, 9mins

2. 19

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29
Q

MRGB oil temp rises ____ with a total loss of electrical power

A

28C/min

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30
Q

What three sources power the AC system

A

Inverter 1, 2, and 115/26V autotransformer

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31
Q

What are the inverters rated at?

A

115Vac, 1500V-amps

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32
Q

What does Hyd 1 power?

A

MRA, TRA(pri), Oil Cooler Fan (pri), Cyclic secondary boost actuators, Rotor Brake, Pich SCAS, Yaw SCAS

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33
Q

What does Hyd 2 power?

A

MRA, TRA, Oil cooler fan motor, Roll SCAS

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34
Q

Maximum elevator movement rate

A

11.5 deg/sec

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35
Q

When does elevator move to stow position?

A

<40 knots TAS and collective position <10%

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36
Q

When does elevator move to hover bias?

A

A/C above 0ft RADALT, collective <30%, TAS < 45 knots

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37
Q

Above 45 knots, elevator position moved based on what?

A

A/S, longitudinal cyclic, and collective position

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38
Q

Maximum + and - elevator position

A

3.5 to -8 degs

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39
Q

If heading hold is engaged below ___ knots, collective switch 8 will trim heading L or R through pedal inputs only and cyclic does not trim heading at all.

A

40

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40
Q

With ALT hold engaged, does a change in altimeter setting cause the aircraft alt to change?

A

No…Pressure Alt info is referenced to 29.92

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41
Q

At what Alt does Hover Hold (Rad Alt Hold) disengage?

A

5ft

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42
Q

Speed hold temporarily disengages above ___ AOB and re-engaged below ___ AOB?

A

30, 25

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43
Q

Engaging Cruise, Alt, and Speed modes w/ tq > ____ may cause overtorque and unusual attitudes.

A

85%

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44
Q

Manually disengaging Hover Hold leaves the Alt Hold mode in ____.

A

RALT

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45
Q

At what g does the FCC cause the cyclic grip to vibrate?

A

2.5

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46
Q

Skids begin structurally deforming to absorb landing energy at sink rate of approx _____ ft/min and protects airframe from structural damage for sink rates up to ___ft/min at GW of ____lbs.

A

240, 720, 16700lbs

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47
Q

Do not actuate the FIRST TEST pushbottom for more than ____ secs. Prolonged use overheats the detector elements.

A

15

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48
Q

The external electrical power shall be set to ___amps max.

A

750

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49
Q

Max PSI for pressure refueling is ___ PSI

A

55

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50
Q

At fueling rates greater than ___gpm, the fwd ful cell may fill before the aft fuel cell and weapon pylon fuel cells are completely full.

A

138

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51
Q

Max helicopter jacking weight?

A

14,000lbs

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52
Q

Max helicopter towing weight?

A

18,500lbs

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53
Q

Ground power cart requirement for APU start is ___ amps with an amp range of ___ to ___.

A

500, 300-1000

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54
Q

APU starters limits

A 
30 secs - On
60 secs - Off
30 secs - On
60 secs - Off
30 secs - On
30 mins - Off
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55
Q

Engine stater limits (16C)

w/ ignition

A

60secs
60secs
60secs
30mins

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56
Q

Engine starter limits (16-52C)

w/ ignition

A

60secs

30mins

57
Q

Cross bleed starts require ____% torque

A

38

58
Q

Engine Wash Starter Limits

A 
2 mins - on
5 mins - off
2 mins - on
30 mins - off
* times for motoring are cumulative times w/in 5-min period
59
Q

Engine Abort Start Criteria

A
  1. Ng fails to reach 14% w/in 6 secs
  2. No MGT indication w/ 30 secs after starter engaged
  3. No oil pressure w/in 30 secs after starter engaged
  4. MGT reaches 867 during start
  5. Starter fails to disengage above 55+/-3% Ng
  6. No Np indication w/in 30 secs after Ng at idle
    Rotor brake light fails to extinguish 30secs after brake release
60
Q

Max relative wind for rotor brake start?

A

60knots from any direction

61
Q

Rotor brake limits

A
  1. Do no apply above 60%, below 25%, release prior to 0
  2. During rotor brake start, release w/in 25secs after 67% Ng
  3. During rotor brake start, light should extinguish w/in 30 secs after brake release
  4. Do not exceed engine idle rpm with rotor brake engaged
62
Q

Max sloped landing

A

6 degs

63
Q

Nr Limits - Power on (Tq >30%)

A

Min - 91%
Continous - 97-104.9%
Max - 104.9%

64
Q

Nr Limits - Power off (Tq <30%)

A

Min - 84%
Continuous - 91-110.9%
Max - 110.9%

65
Q

Np Limits

A

Continuous: 99-101.7%
Transcient: 101.8-116.9% (20 secs total, max 12 secs above 113.3%)
Max: 116.9%
Avoid: 55-70%

66
Q

Engine Torque Limits (401 and 401C)

A

401
Continuous: 0-62.4%
Transient: 62.4-65.7% (30 mins)
Max: 65.7%

401C
Continuous: 0-65.7%
Max: 65.7%

67
Q

MRGB Tq Limits

A 
Continuous: 0-100%
Transient: 100.1 - 104.9%
Caution: 105-119.9% 
Max: 120%
*6 transients w/in 105-110.9 or operation w/in this range for more than 10secs may result in gearbox damage. Any operation w/in 111-119.9% may result in gearbox damage.
68
Q

MGT Limits

A 
Continuous: 400-800C
Intermediate: 801-867C (30mins)
Contingency: 686-917C (2.5mins)
Transient: 9167-964C (12 secs)
Starts = 867C max
69
Q

Ng Limits

A

Continuous: 0-102.1%
Transient: 102.1-105.1% (12secs)
Max: 105.2%

70
Q

Eng Oil Temp Limits

A

Continuous: 35-131C
30 min: 132-149C
Max: 150C

71
Q

Engine Oil Pressure Limits

A 
Min: 20 psi
Caution: 20-30 psi
Continuous: 30-100 psi
Max: 100 psi
Cold Start: 200 psi
72
Q

MRGB Temp Limits

A

Caution: -50-0C
Normal: 0-100C
Caution: 100-110C
Max: 110C

73
Q

MRGB Pressure Limits

A 
Min: 25 psi
Caution: 25-40 psi
Normal: 40-70 psi
Caution: 70-100 psi
Max: 100 psi
74
Q

CBOX Temp Limits

A

Caution: -50-0C
Normal: 0-100C
Caution: 100-110C
Max: 110C

75
Q

CBOX Pressure Limits

A 
Min: 25 psi
Caution: 25-70 psi
Normal: 70-90 psi
Caution: 90-150 psi
Max: 151 psi
76
Q

Hyd Temp Limits

A 
Min: -7C
Caution: -7-10C
Normal: 10-110C
Caution: 110-115C
Max: 115C
77
Q

Hyd Pressure Limits

A 
Min: 2000 psi
Caution: 2001-2700 psi
Normal: 2700-3150 psi
Caution: 3150-3850 psi
Max: 3850 psi
78
Q

Main Gen/Battery/Esstl and Non-Esstl Volt Limits

A 
Min: 18 VDC
Caution: 18-22 VDC
Normal: 22-29 VDC
Caution: 29-30 VDC
Max: 30 VDC
79
Q

Main Gen Amps Limits

A

Normal: 0-400 amps
Caution: 400-600 amps
Max: 600 amps

80
Q

APU Gen Limits

A 
Low: 0-17.9 VDC
Avoid Range: 18-21.9 VDC
Normal: 22-29 VDC
Avoid: 29.1-29.9 VDC
High: 30 VDC
81
Q

APU Amps Limts

A

Normal: 0-200 amps
Avoid Range: 200.1-299 amps
High: 300-400 amps

82
Q

Esslt and Non-esstl AC BUS Limits

A 
Min: 104 VAC
Caution: 104-108 VAC
Normal: 108-119 VAC
Caution: 118-125 VAC
Max: 125 VAC
83
Q

Max airspeed below and above 10,000’ DA

A

> 10,000’: 200 KIAS

<10,000’: 100 KIAS

84
Q

Max airspeed for autos, sideward/rearward flight, SCAS failure

A

auto: 120 KIAS
side/rear: 45 KIAS
SCAS: 100 KIAS

85
Q

Max operational altitude

A

14,000’ DA
* CNAF states “for mission essential flights in RW aircraft, time above 10,000’ shall not exceed 1 hr and alt should not exceed 13,000’

86
Q

Roll limit for operations above 10,000’ DA

A

30 deg AOB

87
Q

Prohibited Maneuvers

A
  1. Aerobatic Maneuvers
  2. Practice autos to touchdown
  3. Practice autos entries w/in shaded area of HV diagram
  4. Dual-engine throttle chops above 120 KIAS
  5. SE throttle chops above 60% MRGB Tq
  6. Do not exceed 50% MRGB tq @ A/S above Vh while in a dive
88
Q

Minimum fuel requirement

A

No flight shall be planned to terminate with a fuel state less than 300 lbs

89
Q

Engine starting may be difficult under hot ambient temps, _____ or above, and/or using JP-4 because of fuel vaporization in the HMU.

A

30C (86F)

90
Q

Do not introduce fuel until MGT is below ____ during engine start.

A

145C

91
Q

Normal hover altitude according to NATOPS

A

5-7’

92
Q

During auto, best glide A/S is ____ and min ROD is ____.

A

110 KIAS, 80 KIAS

93
Q

Does MGT limiting still function if the engine is in DECU lockout?

A

No

94
Q

Engine cool down for 401 and 401C with Ng less than ___%.

A

1mins (401C), 2mins (401)m 90%

95
Q

If restart from high power setting without engine cool down then what are two conditions allowed for restart.

A
  1. restart within 5 mins

2. allow cool for 4 hours prior to restart

96
Q

Is engine cool down period required if shutting down and Ng has not exceeded 90%?

A

No. Throttle closure may be initiated from 100% Np/Nr.

97
Q

What may happen if you fail to wait 20 secs to secure battery after shutting down APU?

A

May corrupt EGI non-volatile memory rendering EGI inoperable

98
Q

What is the desired autorotative Nr?

A

96-100%

99
Q

Max Nr during auto is achieved at what airspeed range?

A

70-90 KIAS

100
Q

List five factors affecting Nr during auto

A
  1. A/S
  2. GW
  3. DA
  4. Cyclic Flare
  5. Pilots Technique
101
Q

Severe G WCA comes on at ____ g’s.

A

3.0

102
Q

How many attempts does CBOX/IGB/MRGB/TRGB chip detector have before reporting via WCA?

A

3 burn attempts

103
Q

At what G does stick buzzer and G limit WCA occur?

A

2.5 g’s

104
Q

At what negative G do you get a WCA?

A

-.5 g’s

105
Q

Emergency Shutdown

A
    1. Throttles - Close
    1. Fuel PBAS - Closed (illuminated)
    1. Rotor Brake - On
    1. APU - Off
    1. Battery - Off
      1. Exit Helicopter
106
Q

Engine Hot Start

A
    1. Throttle (AE) - Close
    1. Fuel PBA (AE) - Close
    1. START PBA (AE) - Engage. Motor until MGT <150C or 2 mins auto timeout is reached.
      1. Helo - Shutdown
107
Q

Engine Fire on Start (external)

A
    1. Throttles - Close
    1. Start PBAs - Off
    1. Fuel 1 and 2 PBAs - Close
    1. Eng fire PBA (AE) - ARM
    1. Ready/Discharge PBA - Discharge.
      1. Helo - Shutdown
      2. Exit Helicopter
108
Q

Hyd System 1 Fail

A

*1. Establish <100 KIAS and AOB <35 deg
*2. Cooler PBA - Hyd 2
3. Hyd 1 PBA - Off
4. Hyd CONT CB - IN
5. Land ASAP
If extended flight is required:
6. MRGB/CBOX temp - Monitor

109
Q

Hyd System 2 Fail

A

*1. Establish <100 KIAS and AOB <35 deg
*2. Cooler PBA - Hyd 1
3. Hyd 2 PBA - Off
4. Hyd CONT CB - IN
5. Land ASAP
If extended flight is required:
6. MRGB/CBOX temp - Monitor

110
Q

Hyd System Overtemp

A

*1. HYD 1/2 HT EXCH CBs - IN
If CBs are in and hyd temp exceed 115C:
*2. Applicable Hyd System Failure - Execute
If CBs able to reset and temp returns to normal:
3. Hyd temp - Monitor
4. Land ASA Practical

111
Q

Rotor Brake Pressurizes in Flight

A 
*1. Rotor Brake handle - Stowed
If warning light remains illuminated and secondary indications exist:
*2. Hyd 1 PBA - Off
*3. Cooler PBA - HYD 2
*4. Nr - Monitor
5. A/S - Adjust 100 KIAS or less
6. Land ASAP
112
Q

SCAS Hardover

A
    1. SCAS - DISENG
    1. A/C Control - Regain
      1. A/S - <100 KIAS
      2. Land ASA Practical
113
Q

What do the three individual windings on the alternator power?

A

Ng signal circuitry, ignition circuitry, and DECU circuitry

114
Q

What happens if rotating shaft of eng alternator fails?

A

Loss of Ng indication, loss of eng start capability, but DECU continue to operate normally from A/C power

115
Q

A fully charged battery may provide up to ___ mins of battery power to the essential bus.

A

9

116
Q

Complete Electrical Failure

A

*1. Check BATT PBA - On
If battery power is not restored:
*2. Land Immediately

117
Q

Approx how long does it take for MCs to come back on line?

A

2.5mins

118
Q

Dual Engine Fire in Flight

A
    1. Controls - adj
    1. Stores - jett
    1. Throttles - close
    1. Fuel 1 and 2 PBAs - Close
    1. Eng Fire PBAs - Arm
    1. Ready/Disc PBA - Discharge
    1. Autorotative landing - accomplish
119
Q

SE Fire in Flight

A
    1. Controls - adj
    1. Stores - Jettison
    1. Throttle (AE) - close
    1. Eng fire PBA (AE)- Arm
    1. Ready/Discharge PBA - Discharge
    1. Fuel PBA (AE) - check close
      1. Xfeed PBA - Auto
      2. INTCON PBA - Open
      3. Land ASAP
120
Q

Electrical Failure

A 
*1. Affected electrical equipment - Off and CBs pulled
If fire persists:
*2. INV 1 and 2 PBAs - Off
If fire persists:
*3. Gen 1 and 2 PBAs - Off
If fire persists:
*4. Land immediately
continued....
121
Q

Fuel cell boost pumps operate when the ____ is positioned to OPEN or when a _____ fuel conditions exits.

A

Xfeed, low

122
Q

Does the MRGB oil level indication update during flight?

A

No. It is not updated after start-up. “GO” indication will persist even if no oil remains in the system.

123
Q

During autorotative landing, at an alt of ___’ AGL, a progressive flare to ___ to ___ degrees nose up should be established by moving the cyclic aft combined with a slight collective adjustment to maintain Nr.

A

150, 15 to 30 degs

124
Q

Touchdown from auto should be accomplished with some forward airspeed (____ to ____ knots) and slightly nose up attitude.

A

20 to 30knots

125
Q

Annular combust has ___ fuel injectors.

A

12

126
Q

Compressor section has ___ axial and ___ centrifugal stages.

A

5 axial and 1 centrifugal

127
Q

Each engine has ___ igniters.

A

2

128
Q

Transmission is tilted ___ degrees fwd.

A

2 degs

129
Q

MRGB has ___ chip detectors.

A

4

130
Q

CBOX has ___ chip detectors.

A

3 (one next to each gen and one in the sump)

131
Q

Main Rotor Blade diameter is _____.

A

48’

132
Q

___ and ___ blades have pin pullers.

A

Red and Blue

133
Q

T/R diameter?

A

9’ 9”

134
Q

What does IAS stand for?

A

Integrated Avionics System

135
Q

What are the fours Buses?

A

Avionics, Mission, Wpns, EW

136
Q

What does WIRTS stand for, what do they do, how many are there, and how are they broken down?

A

Wiring Integration Remote Terminals, convert analog signals to digital signals for the MCs, four, 2 x AWIRT and 2 x CWIRT

137
Q

What does AWIRT and CWIRT stands for?

A

Aircraft Wiring and Integration Remote Terminals, Cockpit Wiring and Integration Remote Terminals

138
Q

If WOG in normal indicated incorrectly during a/c start what CB should you cycle?

A

AFCS YAW

AH-1Z (11 decks)

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