ENGINE AND PROPELLER LIMITATIONS

Question 1

ENGINE MODEL NUMBER AND TYPE

Answer 1

PT6A-60A, TURBOPROP ENGINE

Question 2

PROPELLER TYPE

Answer 2

·CONSTANT-SPEED
·FULL-FEATHERING
·REVERSING
·COUNTER-WEIGHTED
·HYDRAULICALLY-ACTUATED

Question 3

PROPELLER AUTOFEATHER MUST BE ARMED FOR _______.

Answer 3

TAKEOFF, CLIMB, APPROACH, AND LANDING

Question 4

ENGINE TORQUE %:
TAKEOFF…………………………………………………………………..______
MAX CONTINUOUS…………………………………………………..______
TANSIENT…………………………………………………………………______
BELOW 1,000 PROPELLER RPM (N2)…………………………_______

Answer 4

TAKEOFF……………………………100% (UP TO 102% FOR 7 MINS)
MAX CONTINUOUS……………100% (UP TO 102% FOR 7 MINS)
TANSIENT………………………….156% (LIMITED TO 20 SECONDS)
BELOW 1,000 PROPELLER RPM (N2)………………………………62%

Question 5

ENGINE MAS ITT:
STARTING………………………………………………………………….______
IDLE…………………………………………………………………………..______
TAKEOFF……………………………………………………………………______
MAX CONTINUOUS……………………………………………………______
CRUISE CLIMB……………………………………………………………______
MAX CRUISE………………………………………………………………______
MAX REVERSE……………………………………………………………______
TRANSIENT……………………………………………………………….______

Answer 5

STARTING……………………………………. 1,000°C FOR 5 SECONDS
IDLE…………………………………………………………………………..750°C
TAKEOFF…………………………………………………………………… 820°C
MAX CONTINUOUS…………………………………………………… 820°C
CRUISE CLIMB………………………………………………………….. 785°C
MAX CRUISE……………………………………………………………… 820°C
MAX REVERSE…………………………………………………………… 760°C
TRANSIENT…………………………………… 850°C FOR 20 SECONDS

Question 6

ENGINE GAS GENERATOR (%N1):
IDLE…………………………………………………………………………..______
TAKEOFF……………………………………………………………………______
MAX CONTINUOUS……………………………………………………______
CRUISE CLIMB……………………………………………………………______
MAX CRUISE………………………………………………………………______
TRANSIENT……………………………………………………………….______

Answer 6

IDLE…………………………………………………………………….. 62% MIN
TAKEOFF…………………………………………………………………… 104%
MAX CONTINUOUS…………………………………………………… 104%
CRUISE CLIMB…………………………………………………………… 104%
MAX CRUISE……………………………………………………………… 104%
TRANSIENT………………………………………………………………. 104%

Question 7

ENGINE PROP RPM (N2):
IDLE…………………………………………………………………………..______
TAKEOFF……………………………………………………………………______
MAX CONTINUOUS……………………………………………………______
CRUISE CLIMB……………………………………………………………______
MAX CRUISE………………………………………………………………______
MAX REVERSE……………………………………………………………______
TRANSIENT……………………………………………………………….______

Answer 7

IDLE…………………………………………………………………… 1,050 MIN
TAKEOFF…………………………… 1,700 (UP TO 1,735 FOR 7MINS)
MAX CONTINUOUS…………… 1,700 (UP TO 1,735 FOR 7MINS)
CRUISE CLIMB…………………… 1,700 (UP TO 1,735 FOR 7MINS)
MAX CRUISE……………………… 1,700 (UP TO 1,735 FOR 7MINS)
MAX REVERSE……………………………………………………………. 1,650
TRANSIENT……………………………………. 1,870 FOR 20 SECONDS

Question 8

ENGINE OIL PRESSURE:
STARTING………………………………………………………………….______
IDLE…………………………………………………………………………..______
TAKEOFF……………………………………………………………………______
MAX CONTINUOUS……………………………………………………______
CRUISE CLIMB……………………………………………………………______
MAX CRUISE………………………………………………………………______
MAX REVERSE……………………………………………………………______
TRANSIENT……………………………………………………………….______

Answer 8

STARTING………………………………………………………. 0 TO 200 PSI
IDLE………………………………………………………………….. 60 PSI MIN
TAKEOFF………………………………………………………. 90 TO 135 PSI
MAX CONTINUOUS………………………………………. 90 TO 135 PSI
CRUISE CLIMB………………………………………………. 90 TO 135 PSI
MAX CRUISE…………………………………………………. 90 TO 135 PSI
MAX REVERSE………………………………………………. 90 TO 135 PSI
TRANSIENT…………………………………………………………….. 200 PSI

Question 9

ENGINE OIL TEMP:
STARTING………………………………………………………………….______
IDLE…………………………………………………………………………..______
TAKEOFF……………………………………………………………………______
MAX CONTINUOUS……………………………………………………______
CRUISE CLIMB……………………………………………………………______
MAX CRUISE………………………………………………………………______
MAX REVERSE……………………………………………………………______
TRANSIENT……………………………………………………………….______
MIN FOR FUEL HEAT AT T/O………………………………………______

Answer 9

STARTING……………………………………………………………… -40 MIN
IDLE……………………………………………………………… -40 TO 110 °C
TAKEOFF…………………………………………………………. 0 TO 110 °C
MAX CONTINUOUS…………………………………………. 0 TO 110 °C
CRUISE CLIMB…………………………………………………. 0 TO 110 °C
MAX CRUISE…………………………………………………….. 0 TO 110 °C
MAX REVERSE……………………………………………………. 0 TO 99 °C
TRANSIENT……………………………………………………… 0 TO 110 °C
MIN FOR FUEL HEAT AT T/O…………… 55°C (RECOMMENDED)

NOTE: TEMPERATURES BETWEEN 99°C AND 110°C ARE LIMITED TO A MAXIMUM OF 10 MINUTES.

Question 10

WHAT IS THE RANGE OF THE PRIMARY GOVERNOR?

Answer 10

1,450 TO 1,700 RPM

Question 11

THE OVERSPEED GOVERNOR GOVERNS TO ________.

Answer 11

1,768 RPM

Question 12

WHY SHOULD THE POWER LEVERS NOT BE LIFTED IN-FLIGHT?

Answer 12

LIFTIBNG THE POWERS LEVERS IN-FLIGHT, OR MOVING THE POWER LEVERS BELOW FLIGHT IDLE POSITION INFLIGHT COULD RESULT IN A NOSE-DOWN PITCH AND DECENT RATE THAT COULD LEAD TO AIRCRAFT DAMAGE AND INJURY TO PERSONNEL.