LIMITS Flashcards
(90 cards)
1
Q
What must be reported to maintenance with regard to a limits exceedance?
1)
2)
A
1) Actual instrument reading of limit that was exceeded
2) Duration
*This especially applies to any engine overtemperature
2
Q
Minimum Crew
A
1 Pilot
3
Q
Solo flight shall be flown from the ____ cockpit only
A
front
4
Q
Oil level must be serviced within ___ minutes of engine shutdown
For most accurate results, check oil level ___ to ___ minutes after shutdown
A
30 minutes
15 to 20 minutes after shutdown
5
Q
What is the only approved method of checking the oil level?
A
Dipstick
Sight glass is not to be used for checking oil level
6
Q
Torque Limit %
-Takeoff/Max Continuous
-Idle
-Transient
A
-100%
-1 to 10% (with Np stabilized and PCL at idle)
-101 to 107% (5 sec) [Possible with PMU on following rapid PCL movement or aerobatic maneuvers]
7
Q
ITT Start Limit
A
871-1000C (5 sec)
8
Q
ITT Idle Limit
A
750C
9
Q
ITT Takeoff / Max Continuous Limit
A
820C
10
Q
ITT Transient Limit
A
821-870C (20 sec)
11
Q
N1 Limits with PMU On %
-Takeoff/Max Continuous
-Idle
-Transient
A
-104%
-60 to 61% (ground) / 67% min (flight)
-104%
12
Q
Np Limit %
-Takeoff/Max Continuous
-Idle
-Transient
A
-100% (If PMU is off, 100+-2% is permissible)
-46 to 50% (ground)
-110% (20 sec) [Permissible at any power setting for completion of in-flight emergency]
13
Q
Oil Pressure Limit at Start
A
200 psi
14
Q
Oil Pressure Limit at Idle
A
90 psi min
15
Q
Oil Pressure Limit at Takeoff/Max Continuous
A
90 to 120 psi
16
Q
Oil Pressure Transient Limit
A
40 to 130 psi
(Operation in this range is only permitted during aerobatics or spins, and includes a limit of 15-40 psi for 5 seconds with the PCL at IDLE during those maneuvers)
17
Q
Oil Temp Limit at Start
A
-40C Minimum
18
Q
Oil Temp Limit at Idle
A
-40 to 105C (Ground)
10 to 105C (Flight)
(106 to 110C is acceptable for ground ops at and below 20% torque)
19
Q
Oil Temp Limit at Takeoff/Max Continuous
A
10 to 105C
20
Q
Oil Temp Transient Limit
A
106 to 110C (10 minutes)
21
Q
Avoid stabilized ground operations from ___ to ___ percent Np
A
62 to 80% Np
22
Q
Operation at oil pressure less than ___ psi at flight idle or above is indicative of what?
A
Operation at oil pressure less than 90 psi at flight idle or above is indicative of an oil system malfunction
23
Q
The PMU will govern maximum torque at ___ +-2%.
Torque above ___% is indicative of a governing system malfunction
A
100+-2%
Torque above 102%
24
Q
Torque above ___% is a limiting system malfunction
A
Above 107%
25
Do not attempt a battery powered ground start if the battery voltage is below ___ volts
23.5 volts
26
Do not connect to external power if battery voltage is below ___ volts
22.0 volts
27
Starter duty cycle (including start attempts and/or engine motoring) is limited to ____ ____-second cycles
Four 20-second cycles
28
Starter Duty Cycle
-1st cycle
-2nd cycle
-3rd cycle
-4th cycle
-20 seconds on / 30 second cool
-20 seconds on / 2 minute cool
-20 seconds on / 5 minute cool
-20 seconds on / 30 minute cool
29
Generator Amp Limit Inflight
+50 to -2 amps
30
Generator Voltage Limit
Ground/Inflight = 28.0 to 28.5 Volts
31
If generator amperage or voltage is continuously outside this range with the PCL at ___% N1 or greater while on the ground or in-flight, notify maintenance after the mission
80% N1 or greater
32
If generator voltage is continuously below ___ volts, available battery power is degraded, and aircrews should land ___
25 volts
Land As Soon As Practical
33
Max IOAT for start
80C
34
What can happen to the propeller during ground operation between 62 and 80% Np?
Damage from ground resonance. This is why operation on the ground in this limit is prohibited.
35
Propeller overspeed limit
110%
36
Maximum Operation Airspeed (Vmo) is ___ KIAS up to and including ___ feet MSL
316 KIAS up to and including 19,020 feet MSL
37
Maximum Operating Mach number (Mmo), above 19,020 feet MSL is ___
Mach 0.67
The correlated IAS will vary with altitude, decreasing as altitude increases above 19,020 feet MSL
38
Flap operation/extension limit (VFE)
150 KIAS
39
Landing gear operation/extension limit (VLE)
150 KIAS
40
Turbulent Air Penetration Speed limit (VG)
207 KIAS
41
Recommended airspeed in turbulent air
180 KIAS
42
Maneuver Speed Limi (Vo)
[Speed above which full or abrupt control movements in one axis can result in structural damage to the aircraft]
227 KIAS
(Full rudder deflection above 150 KIAS will exceed the limits for the rudder control system)
43
Zero G time limit
5 seconds
Caution: Holding a zero G-loading for over 5 seconds can cause engine damage and possible engine failure, regardless of oil pressure indications
44
Negative G operation (including inverted) limit
60 seconds
45
Sustained negative G limits that ensure recovery of the center section fuel tank:
1) Negative G maneuvers within 60 seconds followed by ___ seconds upright (positive G) flight before conducting additional negative G maneuvers
2) Do not exceed -___ G's for longer than ___ seconds
1) 60 seconds upright
2) -2.5 G's for longer than 30 seconds
46
Prohibited Maneuvers (11)
[2IA, 5xSpin, Abrupt Aero Tail]
1) Inverted Stalls
2) Inverted Spins
3) Aggravated spins past two turns
4) Spins with PCL above IDLE
5) Spins with landing gear, flaps, or speed brake extended
6) Spins with PMU off
7) Spins below 10,000 feet pressure altitude
8) Spins above 22,000 feet pressure altitude
9) Abrupt cross-controlled (snap) maneuvers
10) Aerobatic maneuvers, spins, or stalls with a fuel imbalance greater than 50 pounds between wings
11) Tail slides
47
Symmetric G Limits
-Clean
-Gear and/or flaps extended
*Clean = +7.0 to -3.5 G's
*Dirty = +2.5 to 0.0 G's
48
Asymmetric G Limits
-Clean
-Gear and/or flaps extended
*Clean Asymmetric = +4.7 to -1.0 G's
*Dirty Asymmetric = +2.0 to 0.0 G's
49
Uncoordinated rolling maneuvers initiated at ___ G shall be limited to a ___ degree bank angle change
-1 G
180 degree
50
Max Ramp Weight
6950 pounds
51
Max Takeoff Weight
6900 pounds
52
Max Landing Weight
6900 pounds
53
Max Zero Fuel Weight
5850 pounds
54
Max Weight in Baggage Compartment
80 pounds
55
-When solo pilot weight (including gear) exceeds ___ pounds
-When rear pilot weight (including gear) exceeds ___ pounds
-When combined crew weight exceeds ___ pounds (with gear)
-When overwing refueling is accomplished over ___ pounds
-When baggage weight exceeds ___ pounds...
The weight and balance of the aircraft shall be checked to determine that gross weight and CG limitations are not exceeded
-260 pounds
-260 pounds
-480 pounds
-1100 pounds
-10 pounds
56
Do not use nose wheel steering for ___ or ___
takeoff or landing
57
Canopy Defog must be ___ for takeoff and landing
off
58
Maximum rate of descent with main tires serviced to 185 +- 5 psi
600 feet per minute (3.7 G's)
59
Maximum rate of descent with main tires serviced to 225 +- 5 psi
780 feet per minute (5.1 G's)
60
Max crosswind component for
1) Dry runway
2) Wet runway
3) Icy runway
1) 25 knots
2) 10 knots
3) 5 knots
61
Max tailwind component for takeoff
10 knots
62
Can the aircraft taxi over raised arresting cables? (BAK 9, BAK 12, BAK 13)?
It has a limited capability. Nose or main gear contact with arresting cable support donuts at any speed may result in structural damage to the gear and/or propeller.
You cannot taxi over arresting cables with main gear doors open (indicated by red main gear indicator light)
63
Takeoff and land ___ arresting cables
beyond
64
Taxiing over a lowered net barrier (BAK 15) should be avoided if at all possible.
If contact with a lowered barrier is unavoidable, reduce power to ___, and ___ braking before contacting the lowered barrier.
idle power
discontinue braking
65
Warning: Under no circumstances should a raised web barrier (BAK 15) be engaged. Aircrews will ___ or ___ prior to engagement
steer around the barrier or eject prior to engagement
66
When operating in areas of visible moisture, the ___ switch shall be ___
Probes Anti-Ice switch shall be ON
67
Warning: Sustained operation in icing conditions is ___. The aircraft has been approved only for transit through a ___ foot band of ___ ice
prohibited.
5000-foot band of light rime ice
68
At first indication of icing, the crew shall ___
ascend or descend from the icing layer to sublimate or melt the ice accumulation from the aircraft
69
Aerobatics after an icing encounter are prohibited until ___
ice accumulations on the aircraft are melted or sublimated
70
Maneuvers with ice accumulation are restricted to ___ degrees angle of bank and ___ to ___ G's normal acceleration, up to stall warning system activation
30 degrees angle of bank
0 to 2 G's
71
For the landing configuration and during the landing phase, with ice accumulation, approach speed must be increased by ___ KIAS
10 KIAS
72
Approved fuels for Navy T-6B
JP4
JP5
JP8
F24
F27
F34
F35
F40
F44
73
Approved commercial fuel (Jet A, Jet A-1 or Jet B) may be used provided it contains ___/___ (PFAMB, MIL-DTL-85470 or equivalent)
anti-ice/fungicide
74
Fuels must contain a fuel system ___ inhibitor
icing
75
Fuels not containing an icing inhibitor must have ___ fuel system icing inhibitor added
Add ___ pint for every ___ gallons of fuel during refueling
MIL-DTL-85470
1/2 pint per 50 gallons of fuel
76
Aerobatics operation is prohibited with indicated fuel quantity below ___ pounds per side (yellow band on gauge)
150 pounds
77
Maximum fuel flow is limited to ___ PPH or less for all phases of flight
799 PPH
78
Maximum lateral fuel imbalance is ___ pounds
50 pounds
79
Engine operation using only the engine-driven high pressure fuel pump without both the electric boost pump and the engine-driven low pressure fuel pump is limited to ___ hours. All time in this category must be recorded.
10 hours
80
Ground operation is limited to ambient temperatures of ___ to ___ C
-23 to 43 C (~ -9 to 109 F)
Ground operation during ambient temperatures exceeding 43 C is permitted for up to 15 minutes for the purpose of taxiing the aircraft to park
81
Extra equipment cooling requirements apply when the aircraft is parked in direct sunlight in ambient temperatures of ___ C and above
35 C and above
82
Equipment Cooling Limitations for storage times of
1) > 15 minutes with canopy closed, sun shields not installed
2) > 15 minutes with canopy closed, sun shields installed
3) Unlimited time with canopy on prop strut, sun shields not installed
4) Unlimited time with canopy on prop strut, sun shields installed
5) Unlimited time with canopy fully open
1) Open canopy fully for 1 hour prior to engine start
2) Open canopy fully for 15 minutes prior to engine start
3) Open canopy fully for 15 minutes prior to engine start
4) No limit
5) No limit
83
Cockpit pressurization schedule limit
3.6 +- 0.2 psi
84
CKPT PX warning illuminates at ___ to ___ psi
3.9 to 4.0 psi
85
Cockpit delta P display changes to red and overpressurization valve opens at ___ psi
4.0 psi
86
The canopy shall not be opened on the ground when the surface winds exceed ___ knots
40 knots
87
Minimum and maximum weight with gear for ejection seat
131.8 pounds to 279.4 pounds
88
Can the ejection seat be operated with the canopy open?
No
89
The MKUS16LB ejection seat design range is ___ to ___ pounds nude body weight. The risk of injury increases for pilot weights outside the specified range
103 to 231 pounds
90
When ejecting over mountainous terrain exceeding ___ feet MSL, the ___ handle should be used to manually separate from the seat and deploy the parachute
8000 feet MSL
Manual Override (MOR) handle
