| In response to a query from the crew, the Bromont dispatcher indicated that the PAPI was on the right side of the runway. |
| The FAA issued an advisory notice to airport operators after the accident to keep PAPI units running to prevent contamination. |
| The PAPI and the approach lights lit up when the PNF activated the ARCAL, because their switches had been left on. |
| At approximately 1000 feet asl and five miles from the threshold, the flight crew had the approach lights and the PAPI in sight. |
| Since the PAPI was located about 500 feet west of the threshold, the co-pilot saw the runway threshold at a distance of? |
| When the captain saw that the PAPI was indicating that the altitude was too low, he initiated a missed approach. |
