LR45 EICAS ENGINE INDICATIONS CAS (10/9/2023)

Question 1

FIRE (RED)

Answer 1

Engine fire detection loop detects overheat; may be accompanied by other indications

Question 2

IGN (YELLOW)

Answer 2

Ignition ON and both ignitor plugs are bad

Question 3

MAN (YELLOW)

Answer 3

Manual mode, DEEC fault/fail

• When operating in MAN above 30,000 feet, maintain N1 greater than 66%. When operating above 46,000 feet, maintain N1 greater than 80%. If N1 is allowed to decelerate below these values, the engine acceleration may not occur when commanded. In that event, increasing aircraft speed and/or decreasing altitude will restore normal engine function.
• Thrust reversers must be limited to idle reverse when the engines are operating in MANual mode.

Question 4

NAC (YELLOW)

Answer 4

Active when NAC HT or NAC HEAT FAIL ON messages are displayed

Question 5

START (YELLOW)

Answer 5

Starter engaged with N2 > 51%

Question 6

SYNC (YELLOW)

Answer 6

Main gear is not locked up with SYNC switch on, N1 or N2

Question 7

APR (WHITE)

Answer 7

APR armed in both DEECs (displayed between N1 digits)

Question 8

IGN (WHITE)

Answer 8

Ignition ON and one ignitor plug is bad (manual or automatic)

Question 9

MAN (WHITE)

Answer 9

DEEC selected to MAN or OFF by pilot, or power failure to DEEC

Question 10

APR ON (GREEN)

Answer 10

APR activated

Question 11

IGN (GREEN)

Answer 11

Ignition ON and both igniter plugs are good (manual or automatic)

IGN ON at 6.8% N2
IGN OFF at 45% N2

Question 12

NAC (GREEN)

Answer 12

NAC Anti-ice switch ON, and system functioning normally

Question 13

START (GREEN)

Answer 13

Engine starter is engaged

START should go off at N2 > 51%

Question 14

SYNC (GREEN)

Answer 14

Sync is on (N1 or N2)

Question 15

APR (GREEN)

Answer 15

APR throttle detent selected

Question 16

MCR (GREEN)

Answer 16

MCR throttle detent selected

Question 17

MCT (GREEN)

Answer 17

MCT throttle detent selected

Question 18

T/O (GREEN)

Answer 18

T/O throttle detent selected