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H145 > ATA 25, 26, 21 > Flashcards

ATA 25, 26, 21 Flashcards

Equipment & Furnishings, Fire, Environmental Systems

1
Q

How many squibs does each fire bottle have?

A

2

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2
Q

What percentage must the N1 be below before the 1st fire bottle will fire?

A

45%

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3
Q

What kind of system is the fire system in the H145?

A

A semi-automatic system

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4
Q

How many fire detectors are there?

A

3 each side. 6 in total.

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5
Q

Where are the fire detectors located?

A

x1 installed at the engine, and x2 installed at the AFT firewall.

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6
Q

The fire system in the H145 is a….what?…. type of system

A

A Fire Warning and Extinguishing sytem

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7
Q

Where is the Fire System powered from?

A

ESS BUS 1&2

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8
Q

How long is advised to wait before discharging the 2nd bottle?

A

1 minute

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9
Q

Will the system check for N1 below 45% for the second bottle discharge?

A

No, as the first has already been fired.

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10
Q

Where are the fire bottles located?

A

R/H AFT deck

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11
Q

Where are the hand held fire extinguisher bottle(s)?

A

Rear centre console. There is an option for one in the rear right of the PAX cabin

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12
Q

What exstingushing agent is used?

A

HALON 1301

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13
Q

What happens when you arm the the fire system?

A

Fuel shut-off valve will close, the green ACTIVE light will illuminate, yellow BOT1 select switch will illuminate.

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14
Q

What happens after you press the BOT1 select switch?

A

The green EXT on top of the BOT switch will illuminate and the system will automatically discharge bottle 1 after N1 RPM falls below 45%

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15
Q

How many configurations are there for pax seating?

A

4

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16
Q

What safety feature do the seats have?

A

energy absorbing devices that have an index mark to show if they’ve been triggered.

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17
Q

What kind of ELT is in the H145?

A

KANNAD 406 AP-H (INTEGRA)

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18
Q

What does the ELT system consist of?

A

KANNAD 406 transmitter, remote, antenna and programmable Adapter

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19
Q

What duration can ELT transmit at 406MHz?

A

24hrs

20
Q

What duration can the ELT transmit at 121.5MHz?

A

48hrs

21
Q

Where is the arming switch of the ELT?

A

On the “KANNAD 406 AP-H” ELT

22
Q

Where does the ELT recieve it’s GPS date from?

A

Via the GTN750

23
Q

Where is the ELT located?

A

R/H side of the pilot seat

24
Q

What is the normal operation of the ELT?

A

Toggle swithc on ELT to ARM position, and the remote to ARM position. Aircraft NAV system active.

25
Q

When should the ELT be disabled?

A

During heavy maintenance or shipping.

26
Q

Where is the first-aid kit located?

A

on the Clamshell door

27
Q

How is ventilation achieved in the cabin?

A

A blower sucking fresh air from the L/H NACA duct, or from the cabin recirculating duct.

28
Q

How is the flap valve controlled?

A

The PUSH-FOR-AIR bowden cable.

29
Q

How many ventilation blowers are there?

A

2, one in th nose and one in the PAX cabin roof.

30
Q

How many Over-temp switches are there in the heating system?

A
  1. 105C in the mixing valve and 82C in the recirculation duct.
31
Q

Where is the bleed air authorization from?

A

The FADEcs/EECUs

32
Q

How many temperture sensors are there in the ventilation system?

A
  1. One in the cabin roof. One inside the outlet duct of the mixing valve.
33
Q

Where is the heating power supply from?

A

ESS BUS 1 for the cockpit, SHED BUS 2 for the cabin.

34
Q

The FADEC/EECU controls what to open and close the bleed valves?

A

The mixing valve which controls 2 shut of valves and 2 metering valves.

35
Q

The PUSH-FOR-AIR control does what?

A

Moves the flapper valve to allow NACA air in, or cabin air in.

36
Q

What is installed to improve de-fogging?

A

An E-Heater

37
Q

When is the E-Heater active?

A

When the bleed air heating system is on, and the PUSH-TO-DEFOG lever is pushed.

38
Q

How is the pilot notified that the bleed air is open?

A

By a “Bleed Air Flag” on the MCD’s.

39
Q

How are the instruments cooled?

A

By the R/H NACA duct or R/H recirculation duct depending on the flap valve position, and Avionic cooling blower and PUSH-FOR-AIR bowden cable.

40
Q

Which BUS is the instrument cooling system powered from?

A

SHED BUS 2

41
Q

How is the instrument cooling blower controlled?

A

Automatically via a temp switch inside the instrument panel.

42
Q

When will the instrument cooling blower switch on/off?

A

On above 45C and off below 40C.

43
Q

When will a “MFD OVERHEAT” caution appear?

A

if the intrument panel reaches 65C.

44
Q

When the E-heater is switched on, what happens to the ventilation system?

A

It is automatically switched on to minimum level.

45
Q

Where is the first aid kit located?

A

the first aid kit is inside a flexible net attached to the LH clamshell door

H145 (24 decks)

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