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53E > 1. BASIC LIMITS - Sheet1 (1) > Flashcards

1. BASIC LIMITS - Sheet1 (1) Flashcards

1
Q

Min Crew required to operate the helo under normal conditions are?

A

pilot, copilot, aircrewman

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2
Q

419 T5

A

769° CONTINUOUS
810° 30 MIN MILITARY
829° 10 MIN MAX

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3
Q

416/416A T5

A

713° CONTINUOUS
753° 30 MIN MILITARY
773°/792° 10 MIN MAX

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4
Q

T5 INDICATION OF A HOT START

A

650°

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5
Q

T5 Peak Momentary

A

900

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6
Q

T5 INDICATIONS OF A POST ENGINE SHUTDOWN FIRE

A

320°

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7
Q

2 Engnine Overheat Warning

A

302°C/ 575°F

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8
Q

Ng GROUND IDLE

A

60.5-70% (VARIES W/ OAT)

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9
Q

Ng STARTER DROPOUT

A

51-58%

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10
Q

Ng NORMAL OPERATION

A

60.5-101.1%

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11
Q

Ng MAX

A

101.10%

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12
Q

Ng TRANSIENT

A

102.9% for 30 seconds

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13
Q

Normal Starter Engagment to Gnd Idle

A

60 sec

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14
Q

ALL Ng Limits

A

60.5 – 70 Ground Idle – Varies w/ OAT (2.1.9)
51 – 58 Starter Dropout (2.1.11.1)
60.5 – 101.1 Normal Operation (Fig 4-1 Sheet 1 of 3)
101.1 Maximum Military Operation (Fig 4-1 Sheet 1 of 3)
102.9 30 Sec Max (Fig 4-1 Sheet 1 of 3)
20 Minimum for Engine Start – Introduce Fuel (7.4)
26-32 Max Ng Start

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15
Q

Nf NORMAL OPERATION

A

100-105%

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16
Q

Nf MAX

A

110%

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17
Q

Nf TRANSIENT

A

111- 125% (5SEC)

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18
Q

Nf OVERSPEED (Momentary)

A

129%

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19
Q

What does Nf over speed do?

A

Reduces Wf to 75 +/- 2% Ng

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20
Q

All Nf Limits

A

111 – 125 5 sec (4.2.1.3.2)
110 +/- 2 Overspeed Protection Activates – Reducing WF to 75 +/- 2%Ng (2.1.6)
110 Maximum (Fig 4-1 Sheet 1 of 3)
100 – 105 Normal Operation (Fig 4-1 Sheet 1 of 3)

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21
Q

Q NORMAL

A

100%

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22
Q

Q PRECAUTIONARY

A

100-137%

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23
Q

Climb Q for <60K? >60K?

A

110%; 121%

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24
Q

Q 30MIN MILITARY

A

121%

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25
Q MAX
137% (<10MIN)
26
Q TRANSIENT OVERTORQUE
160% <1MIN
27
Contingency Power for <2 min 419 single or dual engine operations?
157% Q and may reach as high as 105% Ng and 925C
28
All Q Limits
160 Max for 1min (Fig 4-1) 137 Maximum Operation for 10min/ Engine Overtorque (Fig 4-2) 121 Military Operation for 30min/Climbing Q for GW > 60K (Fig 4-2; 4.4.5) 110 Climbing Torque for Gross Weight < 60,000 lbs (4.4.5) 100 – 137 Precautionary Range (Fig 4-1 sheet 1 of 3) 100 Max Continuous (Fig 4-2)
29
Nr NORMAL
100-105% <50k lbs | 103-105% >50k lbs
30
Nr PRECAUTIONARY
95-100% LOW END | 105-118% HIGH END
31
Nr MAX
118%
32
Nr OVERSPEED
118%-129% (Visual Inspection) | >129% (Removal)
33
Rotor brake limits assiociated with Nr: apply High pressure rotor brake? Low Pressure? Light on?
50 +/- 4 to 25 +/- 4 Rotor Brake – RTR BK Light On (2.4) 50 or Below High Pressure Rotor Brake can be engaged (2.4.3.2) 25 or Less Low Pressure Rotor Brake Engagement (2.4.3.1)
34
All Nr limits
>129: Removal of inspection parts 118-129: Visual Inspection of M/R hub, T/R hub, and T/R Drive shaft 118 Maximum Operations (Fig 4-1 Sheet 1 of 3) 104– 107 Flat Pitch (7.5) 105 – 118 Precautionary Range – High (Fig 4-1) 103 – 105 For Gross Wt 50,000 to 73,500 (Fig 4-1) 100 – 105 For Gross Wt < 50,000 lbs (Fig 4-1) 95 – 100 Precautionary Range – Low (Fig 4-1 Sheet 1 of 3) 50 +/- 4 to 25 +/- 4 Rotor Brake – RTR BK Light On (2.4) 50 or Below High Pressure Rotor Brake can be engaged (2.4.3.2) 25 or Less Low Pressure Rotor Brake Engagement (2.4.3.1)
35
ENGINE OIL TEMPS
NORMAL: 40°-135°C 10MIN MILITARY: 136°-145°C MAX: 145°C
36
Max Allowable time for ENG OIL High press CL during Engine Starts?
3 min
37
NGB OIL TEMPS
NORMAL: 40°-130°C 60MIN 131°-145°C MAX: 145°C EXCURSIONS ABOVE 130 REQUIRE A SERVICEABILITY CHECK.
38
MGB OIL TEMPS
NORMAL: 40°-120°C 60MIN MILITARY: 121°-145°C MAX: 145°C EXCURSIONS ABOVE 120 REQUIRE A SERVICEABILITY CHECK.
39
MGB OIL PRESSURES
MIN: 25psi NORMAL: 50-65psi MAX: 150psi If MGB Oil pressure decreases to less that 45 or by more than 10 in flight Land as soon as practacle.
40
HYDRAULIC PRESSURE
MIN: 2600PSI NORMAL: 2600-3300PSI MAX: 3300PSI
41
AIRSPEED
30 Rearward 35 Sideward Below 40 Airspeed indicators are unreliable 85 Autorotation Min Sink Rate 110 Autorotation Max Glide Rate 130 maneuvering Airspeed 140 Landing Gear Actuation 150 Forward 150 Landing Gear Extended 150 External Load 150 EAPS Door Closed 130 Maneuvering Flight Hover Turns of 360 Deg. < 15sec are prohibited
42
ANGLE OF BANK
GW< 56000lbs & DA>3000 & A/S>130KIAS: 60° GW<56000lbs & DA>3000 OR GW<56000lbs & A/S>130KIAS: 45° GW>56000lbs: 30°
43
ACCELERATION LIMITS
0. 5-2.0Gs: GW=56000lbs & DA=3000' | 0. 5-1.5Gs: GW>56000lbs OR DA>3000'
44
LANDING LIMITS
<46.5k main gear/tail skid: 672fpm | 46.5k-69.75k main gear: 360fpm
45
HOOK LIMITS
SINGLE POINT: 36000lbs DUAL POINT: 21600lbs individually 36000lbs total
46
Min Hook weight: 1pt? 2pt?
4k 1k per hook
47
LATERAL CG LIMITS
8.5" right-13.5" left
48
ICING LIMITS
ICE DETECT ON: Forecast or known trace-unlimited; light-30 minutes ICE DETECT OFF: Forecast or known trace-unlimited day/night; light-30 minutes day only Visible moisture <4°C: EAPS closed, engine, windshield, pitot heat, FLIR anti-ice on
49
DUAL ENGINE TORQUE OPERATION
``` MAX CONTINUOUS: 100% MILITARY: 121% 30MINS MAX: 148% 10MINS CONTINGENCY (419): 157% 2MINS TRANSIENT: 160% 1MIN ```
50
SINGLE ENGINE TORQUE OPERATION
``` MAX CONTINUOUS: 100% MILITARY: 121% 30MINS MAX: 148% 10MINS CONTINGENCY (419): 157% 2MINS TRANSIENT: 160% 1MIN ```
51
Nf Overspeed Protection
110+/-2%
52
Contingency Power
157%Q; 5000 shp for 2 minutes followed by 1 hour at maximum continuous. Can expect 105 Ng and 925°C T5
53
WIND LIMITS
>100: A/C to Hangar deck(Boat) >60: A/C into wind, blades removed, gust lock on, pylon spread (Boat SOP) >45<60: tanks full, blades folded, struts deflated, pylon spread Basic: 60 kts: Max for a/c to be tied down. >45Kts - No Rotor engagement/disengagement, Blade or Pylon fold >20 Kts - Pylon fold into wind
54
Cabin Floor Static Limit
300 lbs/ft²
55
APP LIMITS
EXH TEMP - 621°C RPM - 110% (102±1% GENS OFF/Nr ≤95%) - 100% Normal Operation 10,000 Max Altitude – PA 6 +/- 1 Low Oil Pressure w/ Auto Shutdown 2800-3100 Accum Press Gauge >= 50deg 2000-2800 <50deg
56
Water Operating Limits
Stay afloat 2 hrs in 1-3' waves, winds 7-16kts, 10° Roll, water tazi 8 kts at 46,500lbs.
57
How long can Compas Fail CL remain illuminated after the start?
5-8 sec
58
How long can BIM CL remain illuminated after the start?
2min
59
How long can IMDS CL remain illuminated after the start?
??????
60
Nf OVERSPEED PROTECTION
110 +/- 2 %
61
Shut down requirement?
1 min of: Taxi Ops at or above min gov with min collective pitch or Gnd idle

53E (31 decks)

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