Ontario Class A Commercial study materials
Ontario Class A Commercial study resources

Ontario Class A Commercial case studies

Ontario Class A Commercial · Put your knowledge to work in context.

The Ontario Class A commercial driver's licence is the province's heavy combination-vehicle credential, aimed at drivers who want to operate tractor-trailers and similar articulated units for a living. Candidates typically come from general Class G driving, from other commercial classes, or from outside Ontario and need to convert experience into an Ontario credential. The Ontario Class A Commercial case studies are 5 cases and about 4,102 words.

1

Cold-Morning Air Brake Checks: Five Failures on One Tractor

At 05:40 in Mississauga the temperature is -8 °C and freezing drizzle is falling. You are assigned a 2019 tractor with a 53 ft dry van, plated in Ontario, and you hold a Class A with a Z endorsement.

866 words, about 4 min
2

A Produce Load, a Late Shipper and a Clock That Will Not Stop

At 05:15 on Thursday you go on duty in Windsor after 10 consecutive hours off. Your electronic log shows 61.5 of your 70 cycle hours used.

784 words, about 4 min
3

Steel Pipe on a Flatbed: The Arithmetic and the Edges

It is 07:20 on a wet October morning in a Sault Ste. You are loading 24,000 kg (52,900 lb) of 12 m (40 ft) steel pipe onto a 48 ft flatbed with a steel deck, 12 stake pockets and no headboard.

770 words, about 4 min
4

A High Hook in the Rain: The Coupling That Only Sounds Right

At 06:10 in steady rain you are swapping trailers in a gravel yard with a 2% slope, dropping a loaded 53 ft van and hooking to an empty. The empty's landing gear was left cranked high, so the trailer deck sits about 75 mm (3 in) above where your fifth wheel plate will pass under it.

860 words, about 4 min
5

Brake Fade on a Six Per Cent Descent

You are driving a 39,000 kg five-axle combination loaded with a 53 ft van down a 6% grade on Highway 17. The descent runs 8 km, with a posted truck speed of 60 km/h, dry pavement, +4 °C, and light rain.

822 words, about 4 min