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T-6 Operating Limits
T-6 Operating Limits
34
Aviation
Graduate
03/08/2014

Additional Aviation Flashcards

 


 

Cards

Term

Torque %

 

during

 

Takeoff/Max

Definition

 

 

100%

Term

Torque %

 

during

 

Idle

Definition

(ground)

 

3% to 8%

 

*Allowable torque range with Np stabilized and PCL at IDLE

Term

Torque % 

 

during

 

Transient

Definition

131% (for 20 secs)

 

*Torque at 131% is a materials limit. Torque above 102% is indicative of a systems malfunction

Term

ITT°C MAX 

 

during

 

Takeoff/MAX

Definition

 

820°C

Term

ITT°C MAX


during 


IDLE

Definition

 

750°C

Term

ITT°C MAX


during 

 

START

Definition

 

1000°C (for 5secs)

Term

ITT°C


during 


TRANSIENT

Definition

 

870°C (for 20 secs)

Term

N1% (PMU ON)

 

during

 

TAKEOFF/MAX

Definition

 

104% MAX

Term

N1% (PMU ON)

 

during

 

IDLE

Definition

 

60 to 61 (ground)

67 Min (flight 

Term

N1% (PMU ON)

 

during

 

TRANSIENT

Definition

 

104% MAX

Term

Np%* TAKEOFF/MAX

 

Avoid stabilized ground operations from 62 to 80% Np

Definition

 

100% MAX

 

(with PMU OFF, permissible max Nis 100 ± 2%)

Term

Np%* IDLE

 

Avoid stabilized ground operations from 62 to 80% Np

Definition

 

46% to 50% (ground)

 

 

Term

Np%* TRANSIENT

 

Avoid stabilized ground operations from 62 to 80% Np

Definition

 

102% (for 20 secs)

 

110% (Permissible at all powers for completion of flight in emergency)

Term

OIL Pressure 

 

during

 

TAKEOFF/MAX

Definition

90 to 120 psi

 

(Normal oil pressure during steady state conditions is 90 to 120 psi. Operation at oil pressure less than 90 psi at flight idle or above is indicative of oil system malfunction)

Term

OIL Pressure 

 

during

 

IDLE

Definition

 

90 psi (min)

Term

OIL Pressure 

 

during

 

START

Definition

 

200 psi (MAX)

Term

OIL Pressure 

 

during

 

TRANSIENT

Definition

 

40 to 130 psi

 

(Operation in this range permitted only during aerobatics or spins, and 15 to 40 psi for 5 seconds with PCL at IDLE)

Term

OIL TEMPºC psi

 

during 

 

TAKEOFF/MAX

Definition

 

10ºC to 105ºC

Term

OIL TEMPºC psi

 

during 

 

IDLE

Definition

-40ºC to 105ºC(ground)


10ºC to 105ºC (flight)


106ºC to 110ºC (for 10 minutes)*


*Acceptable for ground operations at and below 20% torque

Term

OIL TEMPºC psi

 

during 

 

START

Definition

 

-40ºC Min

Term

OIL TEMPºC psi

 

during 

 

TRANSIENT

Definition

 

106ºC to 110ºC (for 10 minutes)

Term
List the 11 prohibited manuevers
Definition

1. Inverted Stalls

2. Inverted Spins

3. Spins with PCL above IDLE

4. Spins with the landing gear, flaps, or speed brake extended

5. Spins with the PMU OFF

6. Aggravated spins past two turns

7. Spins below 10,000ft PA

8. Spins above 22,000ft PA

9. Abrupt cross-controlled (snap maneuvers)

10. Aerobatic manuevers, spins, or stalls with a fuel imbalance greater than 50 pounds between wings

11. Tail slides

Term
List 5 other limitations
Definition

1. Min voltage for battery start: 23.5V

2. Max crosswind for dry runway: 25KT

3. Max crosswind for wet runway: 10KT

4. Max crosswind for icy runway: 5KT

5. Max tailwind component for takeoff: 10KT

Term
Acceleration Limits
Definition

Symmetric Clean:  +7.0  to  -3.5 G's

Symmetric Dirty:  +2.5  to   0.0 G's

Asymmetric Clean: +4.7  to  -1.0 G's

Asymmetric Dirty: +2.0  to   0.0 G's

Term
Flight Manuevering Limitations
Definition

Inverted Flight:          15 sec

Intentional zero G flight: 5 sec

Term

Starter cycle limitation

 

Definition

Starter duty cycle is limited to four 20 sec cycles

 

Cooling period after first starter cycle:    30 sec

Cooling period after second starter cycle:    2 min

Cooling period after third starter cycle:     5 min

Cooling period after fourth starter cycle:   30 min

Term
Max airspeed dirty
Definition

 

150 KIAS

Term

MAX operating (VMO)

 

MAX MACH (MMO)

Definition

 

316 KIAS

 

0.67 MACH

Term
MAX Turbulent air penetration speed
Definition

 

207 KIAS

Term
Minimum battery voltage
Definition

 

22.0V

Term
hydraulic caution:
Definition

 

less than 1800 psi

 

greater than 3500 psi

Term
Fuel Caution Light
Definition

Less than 110 pounds

(in respective wing)

Term
Cockpit pressurization schedule limit
Definition

 

3.6 ± 0.2 psi

Term
Aircraft has been approved only for transit through (distance) of  (type of) ice.
Definition

 

5000 ft 

 

RIME 

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