Powerplant

Question 1

What engines are installed?

Answer 1

HTF 7350

Question 2

What is the normal thrust rating?

Answer 2

CL350 - 7323 lbs at SL to ISA+15 degrees (86F).

Question 3

What is the minimum N2 ground idle?

Answer 3

46%

Question 4

The FADEC is powered via DC during engine start. As N2 increases above 45%, how is the FADEC
powered?

Answer 4

PMA (permanent magnet alternator)

Question 5

Takeoff Power Time Limit?

Answer 5

Five minutes

Question 6

When is Auto APR armed?

Answer 6

1. Auto APR switch is on

2. Thrust levers placed in TO detent

Question 7

Auto APR Time Limit?

Answer 7

10 minutes

Question 8

Manual APR Time Limit?

Answer 8

5 minutes

Question 9

List the three ways you can start a power plant on the ground.

Answer 9

1. APU
2. Crossbreed
3. External air cart

Question 10

What are the two ways that APR can be activated?

Answer 10

1. Manually be selecting the APR detent

2. Automatically when there is an N2 mismatch in excess of 15 percent, or FADEC’s stop cross communicating.

Question 11

What type of oil is approved for our powerplants?

Answer 11

Oils conforming to EMS-53110 Type 2 turbine oil

Flexjet recommends Eastman/Exon/BP 2380

Question 12

What will happen if a thrust reverser becomes unstowed in flight?

Answer 12

The FADEC will command the engine to idle.

Question 13

When is engine sync available?

Answer 13

CRZ or CLB power and N1’s within 5%

Question 14

When is Mach Hold available?

Answer 14

CRZ power, ALT or ALTS, Sync on

• adjust N1 +- 3%

Question 15

What components are mounted on the engine accessory gearbox?

Answer 15

Oil pump
Oil reservoir
Hydraulic pump
Generator
HydroMechanical Fuel Metering Unit(HFMU)
Air Turbine Starter(ATS)
Permanent Magnetic Alternator(PMA)

Question 16

What engine functions does the FADEC control?

10

Answer 16

Fuel scheduling
Limits for N1/N2/ITT
Overspeed protection
APR
Thrust annunciations.

Bleed air extraction
Idle for Ground/Flight/Reverse
Ignition
Starting
Sync