PC-21 Canopy System

Question 1

What material is the canopy made from?

Answer 1

Acrylic

Question 2

What is the front transparency designed to withstand a bird strike?

Answer 2

1kg at a speed of 300 kt

Question 3

What should be done before opening the canopy from external?

Answer 3

Ensure that the CFS and seat pins are correctly installed.

Question 4

When should the CFS and seat pins be stowed in the glare shield?

Answer 4

After ingress and strapping in

- Seat pin in before TO checks

Question 5

What is used to break front canopy, what about rear canopy?

Answer 5

• MDC for front

- Canopy fracturing knife for the rear

Question 6

Where may some residual static remain on the A/C after landing? Does the ground binding discharge this?

Answer 6

• Canopy transparency

- No it doesn’t

Question 7

What should you do to remove static charge on canopy?

Answer 7

Inform the ground crew to remove the residual charge

Question 8

What is the canopy opening procedure from the outside?

Answer 8

1) Press the external push button, labelled “Press To Unlock”.
2) Rotate the operating lever downward to disengage the locks
3) Lift the canopy up until the open latch engages

Question 9

How can the canopy be opened from inside the cockpit?

Answer 9

1) Press the locking lever safety catch outwards
2) Pull the operating lever rearward
2) Push the canopy up using the operating handle until the open latch engages.

Question 10

What must be ensured when opening the canopy?

Answer 10

The open latch engages completely.

Question 11

How can the canopy be closed?

Answer 11

1) Pull open latch release handle
2) Lower and close the canopy
3) Push the operating lever forward until the safety catch engages

Question 12

What should be done for maximum defogging?

Answer 12

The front cockpit AIR SUPPLY lever should be pushed to DEFOG and air vents be closed.

Question 13

From what wind direction should care be taken when opening the canopy?

Answer 13

From the right

Question 14

What is the crosswind limit for canopy operation ?

What should be done if crosswind is greater than 35 kts?

Answer 14

35kts

Aircraft should be pointed into the wind

Question 15

Can the canopy be jettisoned ?

Answer 15

No

Question 16

What should the flight crew observe before closing the canopy with the CFS pin removed?

Answer 16

1) Visually verify that the CFS striker plate is unobstructed, and the MDC trio lever has no yellow area visible.
2) Wear gloves, helmet, and mask with at least one visor lowered
3) No personnelle within CFS blast area

Question 17

How can MDC be detonated?

Answer 17

1) Automatically by ejection
2) Manually through CFS handle
3) Manually through left or right external handle

Question 18

How can the pilot in the front cockpit operate the CFS manually?

Answer 18

Press the thumb handle and push the handle.

Question 19

What can be used to break the rear canopy?

Answer 19

The canopy breaker knife

Question 20

What does an amber PINS caution mean?

Answer 20

1) CFS pin is not stowed in the glare shield
2) Seat pins are not stowed in the glare shield
3) The PCL is moved into a position between IDLE and vertical and ENGINR Torque > 38%

Question 21

What does amber CANOPY LOCK mean on MFD?

Answer 21

If the canopy is not securely closed and latched

Question 22

If the canopy lock caution is shown in flight, should the canopy lever be operated ?

Answer 22

No

Question 23

What alerts are present when canopy lock detects a malfunction?

Answer 23

• Grey canopy alert advisory

- Amber EICAS caution