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Aviation > Dash 7 Limits > Flashcards

Dash 7 Limits Flashcards

1
Q

Torque (Ft. Lbs.)

A 
Normal................0 - 4860
Max....................4860
Transient............5900 / 20 sec.
Take off..............4860 / 5 min.
Reverse..............4860 / 1½ min.
Max cont.............4223
Max clmb/crus....4417
75-79 Oil press...2500 max
↓ 900 Np...........3500
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2
Q

Np (Prop RPM)

A 
Caution.............660-870
Normal..............870-1210
Max...................1210
Transient...........1445
Takeoff..............1210 / 5 min.
Reverse.............1210 / 1½ min
Max cont............1210
Max clmb/crus...1070
* Speeds ↑ 1210 indicate failure of the constant speed governor
* Speeds ↑ 1283 indicate failure of both constant speed and over speed gov.
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3
Q

Ng ( % )

A 
Normal (Start)....12-20%
Min idle...............68%
Normal (Flt)........68-101.6%
Max...................102.7%
Take off.............102.7% / 5 min.
Transient...........103.6% / 15 sec.
Max cont............101.6%
Max. clmb/crus..101.6%
Max reverse.......101.6% / 1½ min
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4
Q

T5 ( ° C )

A 
Normal		490-800°
Idle		       750°
Max		       800°
Starting	       1000° / 5 sec
Transient	       850° / 2 sec
Take off	       800° / 5 min
Reverse	       800° / 1½ min
Max cont.	       800°
Max clmb/crs  770°
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5
Q

Engine Oil Press ( PSI )

A 
Min		75
Caution	75-80
Idle		80
Normal	80-100
Max		100
Transient	80
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6
Q

Pack Temperature

A

Normal 2-70°
Caution 70-90°
Max 90°

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7
Q

Engine Oil Temp ( ° C )

A 
Min	                - 40°
Caution	        - 40 - 10°
Normal	         10 - 99°
Max	                 99°
Caution	         99 - 104°
Starting (min)	- 40°
Transient	         104° / 15 min
Take off            10 - 99°
Max cont	         10 - 99°
Max clmb/crus	 10 - 99°
*Temps ↑ 99° C are abnormal. Limit operations to < 15 minutes.
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8
Q

Battery Temperature

A

Normal 0 - 50°
Caution 50 - 65°
Over temp 65 - 80°

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9
Q

Differential Press ( PSI )

A

Normal 0 - 4.26
Caution 4.26 - 4.7
Max 4.7
Max (landing) 0.5

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10
Q

Starter Limitations

A 
1 minute ON   -   1 minute OFF
1 minute ON   -   1 minute OFF
1 minute ON   -   1 minute OFF
1 minute ON   -   1 minute OFF
1 minute ON   -  15 minutes OFF
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11
Q

Intake Deflector motor limits

A

1 minute ON - 3 minutes OFF
1 minute ON - 3 minutes OFF
1 minute ON - 10 minutes OFF

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12
Q

Flaps Limitations

A
  • Must be set @ 15° for take off
  • Must be set @ 0° - holding in icing

Prohibited settings:

  • Beyond 0° for enroute operations
  • 15° for landing with anti-skid inop
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13
Q

Nacelle Temperature Limit

A

Normal 95 - 210°
Caution 210 - 225°
Max 225°

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14
Q

Maneuvering Limits

A

Flaps retracted 2.53 G - 1.00 G

Flaps extended 2.00 G - 0.00 G

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15
Q

Emergency/Parking Brake Press

A

Min 1500 psi

Max 3800 psi

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16
Q

Max Runway Slope (t/o or landing)

A

2% uphill or downhill slope

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17
Q

Vb (gust penetration)

A

171 KTS (<47000 lbs decr. 1 kt / 1000 lbs.)

18
Q

Weight Limits

A 
49000	Max ramp wt
47100	Max towing
47000	Max t/o -flaps 15°
45000	Max land - flaps 25°
42000	Max land - flaps 45°
39000	Max zero fuel
36000	Max 3 engine ferry
500		Max fuel imbalance
19
Q

Altitude Limits

A

25000’ Max operating
20000’ Max for air starting
18000’ Max for lowering gear or flaps
1000’ AGL Minimum Altitude for Flight with Sensors Extended

*Note about Flaps 15 at 25,000 during special missions

20
Q

Vmo

A

231 SL to 7500’

7500 - 25000 decr. 4 kts / 1000’

21
Q

Max tailwind for landing

A

10 KTS

22
Q

Max tailwind for takeoff

A

10 KTS (Bn Stands SOP)

15 KTS (-10)

23
Q

Max crosswing (1 eng inop or outbd roll spoilers inop)

A

18 KTS

24
Q

Max crosswind (all engines)

A

20 KTS, unless approved by BC (Bn Stands SOP)

22 KTS (-10)

25
Q

Vtaxi (Max taxi speed)

VCL (Max control lock speed)

A

40 KTS

26
Q

Va (maneuvering)

VLE (landing gear extended)

A

EO 161 KTS

TO 152 KTS

27
Q

VFE 25° (Flaps extended)

A

EO 124 KTS

TO 120 KTS

28
Q

VWSW (Max wiper speed)

A

130

29
Q

Vtire (Max tire speed)

A

139

30
Q

VLO (Landing gear operation)

VFE 15° (Flaps extended)

A

147

31
Q

VFE 45° (Flaps extended)

A

110

32
Q

Min A/S for exiting sev. icing

A

150

33
Q

Vdv (DV window open)

Vis (Imagery sensors extd)

A

160

34
Q

Max towing

A

47,100

35
Q

Max ramp wt

A

EO 49,000

TO 44,100

36
Q

Max fuel imbalance

A

500 / trainer 600

37
Q

Max 3 engine ferry wt

A

36,000

38
Q

Max zero fuel wt

A

39,000

39
Q

Max land wt - flaps 45°

A

42,000

40
Q

Max land - flaps 25°

A

EO 45,000

TO 42,000

41
Q

Max t/o wt - flaps 15°

A

EO 47,000

TO 44,000

Aviation (2 decks)

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