ATR42-300 Combi
& Freighter
Exit
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Topics of Discussion
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Design Criteria
Design Overview
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Design Criteria
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Bulk load
Side aisle
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Accommodates larger items
More usable cargo volume
Overhead bins removed in cargo
compartment
Full freighter through full passenger
capability
Class ‘C’ cargo compartment
Passenger cabin must maintain a
high aesthetic standard
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Design Criteria
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Standard large cargo door
Forward & Aft cargo compartments
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Allows for manipulation of load to
ensure Center of Gravity limits
maintained
Low floor level reduces ground
equipment requirements
‘Hotel’ mode - Passenger comfort at
remote locations
Runway requirements suitable for
remote locations
-54°C Cold weather certification
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.

Proven cold weather operations

- 54C Certification

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Design Overview
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Floor panel upgrades
Cargo restraint system
Cargo liner system
Class ‘C’ compartment
Reconfigurations
Configurations
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Floor Panel Upgrades
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LH aisle provides wider
cargo zone than centre aisle
Floor Panel Replacement

Two factors:
1. Strength (certification
requirement)
•
required when modifying a
passenger aircraft to combi
(400 kg/m2)
2. Durability (operational
requirement)
•
required due to load
characteristics

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Cargo Restraint System
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Side Aisle
Design predicated by
maximum floor load
capacity
9G Barrier net
1.5G Aisle net
Posts - control net
deflection & aisle
encroachment
Option for double
bays

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Restraint System Installed

View looking
forward

Nets
(undone)
and posts

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Restraint System Installed

View looking into
cargo compartment
through cargo door

Showing access
aisle and nets
secured

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Cargo Liner System
Two functions
1. Structural – 1.5G lateral
load
2. Fire/smoke barrier
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Joint sealing requirement
Any breach through the
liner must be sealed
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i.e. Net fittings, detectors,
lights, etc
Removable and durable
Has approved repair
schemes using standard
sheet metal practices

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Cargo Liner System

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Cargo Liners Installed

View looking
forward

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Partners

Kidde Aerospace,
Wilson, North Carolina

Supplier of numerous
components for fire
detection &
suppression

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Class ‘C’ Compartment
Regulations
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
Requirements in FAR 25.857
1. One (1) minute smoke/fire
detector
2. Built-in fire extinguishing system
3. Isolate the crew and passenger
compartments
4. Ventilation control such that the
extinguishing agent can control
the fire
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Class ‘C’ details
1. One (1) minute smoke/fire
detector
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Dual loop redundancy – MEL
relief
Multiple detectors
Low smoke / high heat
capability
2. Built-in fire extinguishing
system
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
Certified for 60 minutes
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Class ‘C’ details –cont’d
3. Isolate the crew and passenger
compartments
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Cabin Partition seal
Flight deck door seal
Radio rack seal
4. Ventilation control such that the
extinguishing agent can control the
fire

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Configurations
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The following ‘Combi’ configurations
are available with 33” seat pitch:
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Also available:
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10 pax / 5 bay
18 pax / 4 bay
22 pax / 3 bay
30 pax / 2 bay
34 pax / 1 bay
42 Pax (all pax)
7 bay freighter
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Combi & Freighter Configurations
ATR42-300
42 PAX
33" PITCH
ATR42-300
22 PAX
33" PITCH
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
A
A
11
ATR42-300
34 PAX
33" PITCH
ATR42-300
18 PAX
33" PITCH
A
A
ATR42-300
10 PAX
33" PITCH
ATR42-300
30 PAX
33" PITCH
9
10
9
10
A
A
ATR42-300
7 BAY FREIGHTER
A

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
11
Passenger Cabin

View looking
forward from
Galley

10 Passenger
configuration

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Passenger Cabin

View looking
forward from Galley

34 Passenger
configuration

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Reconfigurations
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Recon procedure
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Remove cabin side wall panels, ceiling
panels, & overhead bins
Install cargo side wall panel system
Install partition
Install posts and aisle nets
Load cargo, install barrier nets as
zones are filled
Reconfiguration time between
configurations minimized
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Reconfigurations
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Cargo positions coincide with the
overhead bins
Each section is 49.5” long
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Option for double section, 99” long
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
limited to 1,400 lbs per section
limited to 2,800 lbs; 6.6 lbs/ft3
High aesthetic standard maintained
This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Secure Cockpit Door
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Approved by Transport
Canada
Meets requirements of
FAR25.795
Requires modification to
the cockpit observer seat
(included)

This document is proprietary to First Air. No
third party distribution allowed. Specifications
subject to change.
Certification

Transport Canada
STC obtained
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