INTRODUCTION
Anti-icing equipment on the Learjet 20 series is designed to prevent buildup of ice on:
• The engine nacelle lip, inlet guide vanes, and nose cone
• The windshield and radome
• The leading edge of the wings and horizontal stabilizer
• Pitot probes, static ports, AOA vanes, and shoulder static ports
The system is certificated for flight into known icing conditions on SNs 24-181 and sub-
sequent, 25-025 and subsequent, and earlier SNs modified for flight into icing conditions.
Airplane anti-icing is accomplished through
the use of electrically heated anti-ice systems,
engine bleed-air anti-ice systems, and an al-
cohol anti-ice system.
Electrically heated components include pitot
tubes, static ports, shoulder static ports, stall
warning vanes, nacelle inlet, and horizontal
stabilizer.
CHAPTER 10
ICE AND RAIN PROTECTION
10-1
FOR TRAINING PURPOSES ONLY
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