Page 2-26
Pilot’s Operating Manual
Revision A1: Nov, 2002
Sub-section 2
ABNORMAL HANDLING
Hawker 800XP Pro Line 21
Section V - FLIGHT HANDLING
REPORT THE ENCOUNTER
Report the encounter as soon as possible after recovery.
Use the following format:
1. Maximum loss or gain of airspeed.
2. Altitude at which shear was encountered.
3. Location of shear with respect to runway in use.
4. Airplane type.
5. Use the term PIREP or AIREP SPECIAL to encourage re-broadcast.
The contents of this part are based on the FAA PILOT WINDSHEAR GUIDE.
Further information may be found in the FAA WINDSHEAR TRAINING AID, and also the FAA PILOT
WINDSHEAR GUIDE which is published as FAA ADVISORY CIRCULAR AC 00-54 APPENDIX 1.
The study of these documents is recommended.
AIRPLANES WITH WINDSHEAR ALERTING SYSTEMS INSTALLED
NOTE: Pilots are directed to read any and all manuals appropriate to their approved windshear
system.
A typical system is armed after takeoff and on approach and go-around. The system is only operative
between 50 ft and 1500 ft radio altitude.
NOTE:
Immediate recovery action should be taken as soon as the presence of windshear is
recognized by the pilots, even if the windshear alerting system has not yet given a CAUTION
or a WARNING.
An amber Windshear Caution is annunciated for an increasing performance windshear. On detection
of decreasing performance windshear, a red WINDSHEAR WARNING is annunciated together with the
audio message of “WINDSHEAR WINDSHEAR WINDSHEAR" with EGPWS modes being inhibited for
5 seconds after a windshear warning. A CAUTION (increasing performance) will most probably serve
as a precursor to a WARNING (decreasing performance).
CAUTION:
THE PRESENCE OF A WINDSHEAR DETECTION SYSTEM IN THE AIRPLANE DOES
NOT ALLEVIATE THE NEED TO FOLLOW PRECAUTIONS AND STANDARD
OPERATING TECHNIQUES AS DESCRIBED IN THE PREVIOUS PARTS OF THIS
INFORMATION.
The action following a CAUTION on the approach should be a normal go-around. A WARNING at any
stage should result in the pilots immediately carrying out the recovery technique described in the
previous section.
SUMMARY
The best defense against windshear is RECOGNITION and AVOIDANCE. Inadvertent encounters are
best negotiated by means of pitch attitude control and thrust, tolerating lower than normal airspeed.
Behavioural changes are necessary to break from the instinct to chase airspeed - a potentially
hazardous recovery technique.
