The cache is NOT located at the posted coordinates. DO NOT attempt to go there for geocaching purposes or you may be arrested, put on a watch list, and shamed in the news!!
To receive the coordinates for this bonus cache, complete all five stages of the Adventure Lab. You can launch the Lab from your mobile device by navigating to https://labs.geocaching.com/goto/pearsonplanespotting or scanning the below QR code.

Additional Resources
Airport Chart
Below is a map showing the runway configuration at Pearson. A more detailed version of this diagram is used by pilots to navigate around the airport.

ATC
If you are interested in tuning into Air Traffic feed, you can visit LiveATC. CYYZ ATIS (automated terminal information service) is a continuous broadcast that announces current conditions at the airport, including the runways in use. CYYZ Tower is where you can listen to communication between pilots and Air Traffic Control. Call signs and other identifiers are spoken using the ICAO phonetic alphabet.
Airline Identification
The airport's website offers a Spotter's Guide for those interested in planespotting. The guide will familiarize you with the airlines that fly in and out of Toronto.
Live Flight Tracking
There are various websites and mobile apps that you can use to track real-time flight data for specific flights, or view a map of all real-time flights around the world. These resources can be found with a quick Internet search!