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· Appendix B – Nomenclature. Units
of Measurement, etc.
· Appendix C – Organic Peroxides.
· Appendix D – IATA Members.
· Appendix E – Competent
Authorities. By country.
· Appendix F – Packaging
Manufacturers, etc.
Dangerous Goods 387
First, you need to know what you
are dealing with. Section 4 has some
blue pages that contain shipping
names of just about everything you
can think of, together with an ID
number, its classification, what label
is required, whether it can go in
passenger or cargo aircraft, etc. Take
particular note of any symbols
nearby, and check for their meanings
in Appendix B. In particular, †
means look also in Appendix A.
There is a numerical cross-reference
in Sect 4.3. A * symbol requires a
technical name in brackets after a
generic name.
If the material you are dealing with
does not appear in the blue pages,
check in Section 3 to see if its
properties match the classes
described there, assuming it isn't
forbidden under Sect 2.1 in the first
place. Use Table 3.10A to determine
the primary hazard if necessary. If it
isn't in Section 3 either, it is not
subject to the regulations.
Radioactive material is covered
separately in Section 7.
Next, determine whether it is to be
sent on passenger or cargo aircraft.
Columns G-L of the blue pages will
tell you whether it's forbidden or
not, and what quantities can be taken
in what packaging. If it is allowed,
find the Packing Instruction number
(columns G and I), any quantity
limitations in one package (H and J),
and any variations imposed by States
or operators in Section 2.9.2 or
Section 2.9.4, respectively. For
example, Fedex will not accept
Nitric Acid over 40% concentration.
You can ship goods in Limited
Quantities with ordinary packaging
provided it is of good quality. The
letter G refers to Gross Weight.
Then check the packaging
requirements under Section 5. At the
top of each yellow page in there, you
will find variations by State and
Operator. Select the packaging from
the choices available, stick the labels
on, prepare the waybill and sign the
Declaration. A Y designation means
Limited Quantity packaging that
requires special marking. Nonessential
labels must be removed.
For example, ID 1863, Fuel, aviation,
turbine engine, needs a flammable
liquid label and may only be carried
in limited quantity packaging, 10
litres at a time in Grp III packaging
on passenger aircraft (instructions
are in Sect 5, Y309). Otherwise, if
the aircraft is cargo only, the
packages can contain up to 220L.
TDGR Exemptions
The TDGR grants certain
exemptions to the Technical
Instructions. For example, CargoOnly
quantities may be carried on charter
aircraft if everyone on board is
informed, although forbidden items
may not be carried at all.
If the pilot loads (or supervises) a
private aircraft, or small aeroplane or
helicopter used as a cargo aircraft, a
written notification to the PIC is not
needed. The same applies to vehicles
and internal combustion engines if
packed under 900 (b)(c)(d) and 901.
According to the new "Plain
Language" system, you are exempt
the regulations if you are doing aerial
work, which includes:
· Active Fire Suppression
· Cloud Seeding
· Drip Torching
388 Canadian Professional Pilot Studies
· Agriculture
· Avalanche Control
· Forestry
· Horticulture
· Hydrographic/Seismic Work
· Pollution Control
Having said that, goods must still be
packed (and labelled!), and the
aircraft ventilated. Segregation rules
apply also.
If the PIC supervises the loading (as
in most Ops manuals), notification is
not required.
However, a Shipper's Declaration is
required for all Air Taxi Flights,
unless the flight comes under Limited
Access Provisions, meaning there is no
other practical way of moving the
goods (no road, rail or boat service
more than once a week).
Medevac
Although this is not aerial work, an
exemption still applies. TDGRs do
not apply to goods intended for
medical aid to a patient in flight,
although the intention is to include
the period before and after they are
actually required, at a later stage. PIC
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