External Inspection

Question 1

Why does the Emergency/Parking Brake need to be on prior to starting the external inspection?

Answer 1

To check the brake wear indicators. (SOPM Preflight)

Question 2

Just because the parking brake is on, does this guarantee that there is sufficient hydraulic pressure to check the Brake wear indicators?

Answer 2

No (AOM Vol. 2 Landing Gear and Brakes)

Question 3

If the hydraulic pressure is depleted for the brakes, how can it be restored prior to the external walk around?

Answer 3

Activation of sys 1 and sys 2 electric hydraulic pumps. (AOM Vol. 2 Hydraulic)

Question 4

On the external inspection, you notice that the air data
smart probes are covered in frost. What would be an
appropriate action by the pilot?

Answer 4

Turn the ADSP Heater Switch to ON to remove frozen

contaminants. (Ref. SOPM Ch. 4)

Question 5

Provide at least one other condition that would require heat being applied to the ADSP’s during the pre-flight?

Answer 5

OAT is at or below freezing and water, ice, or snow is
present or suspected; on the first flight of the day with
temperatures below -18 C, smart probes frozen, erroneous airspeed indications present on the PFD with any or all of the following messages displayed on EICAS: AFCS FAULT, AT FAIL, AP FAIL, FD FAIL, YD FAIL, APPR2 NOT AVAIL, any other ADS messages displayed on the EICAS. (Ref. SOPM Ch. 4)

Question 6

Use the pictorial walk around - Describe the preflight action for the Nose Landing Gear.

Answer 6

Wheels and Tires..............CONDITION
*** Clear of ice
Up Lock Hook....................UNLOCKED
Down-lock Springs...........CONDITION
Strut/Wheel Well/Doors...CONDITION and NO LEAKS
Ground Locking Pin..........REMOVED
Landing and Taxi Lights...CONDITION
Clean and undamaged (SOPM Preflight)

Question 7

What unique piece of equipment resides in the right

forward fuselage? Describe the SOPM external preflight of the RAT.

Answer 7

RAT, RAT Safety Lock Pin….Removed (SOPM Preflight)

Question 8

What does the Oxygen Discharge Indicator look like in its normal condition?

Answer 8

GREEN DISC (SOPM Preflight)

Question 9

What is the proper preflight action of the Engine Inlet

according to the SOPM?

Answer 9

Check for FOD and leaks inside air inlet. Ensure there is no damage to the T12 Sensor and the FADEC cooling inlet is clear (SOPM Preflight)

Question 10

What is the proper preflight action of the Fan Blades

according to the SOPM?

Answer 10

Check for damaged blades and ensure fan is free to rotate, Check for damage on spinner (SOPM Preflight)

Question 11

Are there Nacelle Strakes on both sides of the engine?

Answer 11

Yes (SOPM Preflight)

Question 12

How many magnetic level indicators do we have to inspect on each wing?

Answer 12

3 (SOPM Preflight)

Question 13

Describe the Main Landing Gear inspection.

Answer 13

Wheels and tires – condition
Up Lock Hook – unlocked
Down-lock Springs – condition
Strut/wheel Wells – condition and no leaks
Ground locking pin – removed
Brakes Wear Indicators – check (SOPM Preflight)

Question 14

What document would you refer to regarding missing static discharges? Where is that located?

Answer 14

CDL,AFM

Question 15

Give at least two atmospheric conditions that require a cold weather preflight inspection.

Answer 15

OAT is 5°C or less, wing fuel temperature is 0°C or less,
conditions conducive to icing exist, RON and may have
frozen contaminants, through flight with residual ice from inbound flight, cold soaked ice suspected in the fuel tank.
(Ref. ERJ 175 SOPM SP 3700 Ch. 4)