Uploaded September 2025 | Updated September 2026, 2 weeks ago
Visual Approach Slope Indication (VASI) system are used at airports to give pilots a visual indication of their approach angle relative to the proper glideslope. In this video, we look at a portable tri-colour VASI designed for use at heliports, which may or may not have been used by the Canadian Armed Forces.
0:00 Introduction
2:00 Classic VASI
3:09 T-VASI
3:36 Other VASI Styles
4:33 PAPI
5:34 VASI Unit Setup
7:47 External Controls
8:39 Projector Disassembly
9:12 Base Disassembly
9:38 Outro
SOURCES
faa.gov/sites/faa.gov/files/16_phak_ch14_0.pdf
web.archive.org/web/20090904034137/http://www.faa.gov/air_traffic/publications/ATpubs/AIM/Chap2/aim0201.html
https://www.dst.defence.gov.au/innovation/tee-visual-approach-slope-indicator-system-t-vasis
pilotinstitute.com/vasi-vs-papi-differences
Visual Approach Slope Indication (VASI) system are used at airports to give pilots a visual indication of their approach angle relative to the proper glideslope. In this video, we look at a portable tri-colour VASI designed for use at heliports, which may or may not have been used by the Canadian Armed Forces.
0:00 Introduction
2:00 Classic VASI
3:09 T-VASI
3:36 Other VASI Styles
4:33 PAPI
5:34 VASI Unit Setup
7:47 External Controls
8:39 Projector Disassembly
9:12 Base Disassembly
9:38 Outro
SOURCES
faa.gov/sites/faa.gov/files/16_phak_ch14_0.pdf
web.archive.org/web/20090904034137/http://www.faa.gov/air_traffic/publications/ATpubs/AIM/Chap2/aim0201.html
https://www.dst.defence.gov.au/innovation/tee-visual-approach-slope-indicator-system-t-vasis
pilotinstitute.com/vasi-vs-papi-differences
