Learjet 35 PTM Chapter 4 (Master Warning System)

Question 1

What are the rows of lights called that are just above the auto pilot flight director panel?

Answer 1

Glareshield annunciator lights

Question 2

What does the AUG AIL caution light mean?

Answer 2

1. Spoilers split 6° or more.
2. Spoiler and aileron split 6° or more in spoileron mode

Question 3

What does the FUEL FILTER caution light mean?

Answer 3

1. Pressure is LOW one or both airframe fuel filters.
2. Fuel is bypassing the tailcone filter.

Question 4

What do the L VG MON/ R VG MON caution lights mean?

Answer 4

One motor in the vertical gyro has failed.

Question 5

What does the MACH TRIM warning light mean?

Answer 5

The Mach Trim monitor has disengaged the Mach Trim system

Question 6

What does WSHLD OV HT warning light mean?

Answer 6

Windshield heat has been shut off by a temperature limit (GND / AIR limits)

Question 7

The BLEED AIR L/ BLEED AIR R warning lights alone indicate an overtemp condition in the pylon or bleed air ducting. What are the temps for each?

Answer 7

Pylon: 250 F
Duct: 645 F

Question 8

What does the CAB ALT caution light mean?

Answer 8

Cabin altitude has reached 8,750 +- 250 feet and controller has automatically switch to manual.

Question 9

What does the ALC AI caution light mean?

Answer 9

1. The alcohol tank is empty.
2. Alcohol system pressure is low.

Question 10

What does the ENG SYNC caution light mean?

Answer 10

The engine sync switch is on with the nose gear down and locked. (If the engine sync switch is on, this light indicates that your nose gear is down and locked!)

Question 11

What does the PITCH TRIM caution light mean?

Answer 11

1. Primary pitch trim is running at a fast rate with flaps up.
2. Primary pitch trim has a fault (potential runaway).
3. Wheel master switch is depressed.

Question 12

What does a COMPR WARN caution light mean?

Answer 12

HSI headings are not within 7°.