AGL
Above Ground Level
AWOS
Automated Weather Observing System
The location of the Drummondville AWOS “site” is N45.84361 W72.39750.
CFS
Canada Flight Supplement
Official directory of Canadian airports. Canada Flight Supplement is a joint civil‑military publication that supplements Aeronautical Information Publication.
CSC3
Drummondville airport runway code
CSA7
“River seaplane” runway code
IFR
Instrument Flight Rules (IFR) define a flight regime in which collision avoidance is based on air traffic control and adherence to specific flight paths.
MF
Mandatory Frequency
Aircraft identification device
NDB
Non‑directional beacon
NEF
Noise Exposure Forecast
Transport Canada’s Noise Exposure Forecast (NEF) system provides a measure of actual and predicted noise in the vicinity of airports.
PAS
The French expression for Noise Exposure Forecast (Prévision d’ambiance sonore [PAS]).
TC
Transport Canada
VFR
Visual Flight Rules
This is the simplest and freest flight regime, where collision avoidance is essentially based on the see‑and‑avoid principle.
SPEED
1 knot = 1.852 km/h
140 knots = 160 M/H