Honeywell MK VIII, MK XXII manual Table Of Contents, Egpws Line Maintenance Manual

EGPWS LINE MAINTENANCE MANUAL

TABLE OF CONTENTS

1	INTRODUCTION	8
1.1	SCOPE	8
1.2	APPLICABILITY	8
1.3	REFERENCE DOCUMENTS	9

2 DESCRIPTION AND OPERATION		10
2.1 GENERAL SYSTEM DESCRIPTION		10
2.1.1	Enhanced Ground Proximity Warning Computer (EGPWC)	11
2.2 OPERATION		11
2.2.1	Mode 1 – Excessive Descent Rate	11
2.2.2	Mode 2A/2B - Terrain Closure Rate	11
2.2.3	Mode 3 - Descent After Takeoff	11
2.2.4	Mode 4A/4B/4C - Unsafe Terrain Clearance	11
2.2.5	Mode 5 - Descent Below Glideslope	12
2.2.6	Mode 6 - Advisory Callouts (optional)	12
2.2.7	Mode 7 - Windshear Detection (Optional for MK V/VII only)	14
2.2.8	Envelope Modulation (not available in MK VI/VIII -001)	14
2.2.9	Terrain Clearance Floor and Runway Field Clearance Floor	14
2.2.10	Terrain Alerting and Display (optional)	15
2.2.11	Peaks Display Mode (optional)	16
2.2.12	Geometric Altitude (GPS Required)	16
2.2.13	Weather Radar AutoTilt (MK V and MK VII only)	16
2.2.14	System Display and Annunciation	17
2.2.15	Runway Awareness and Advisory System (option for MK V and MK VII only)	17
2.2.16	Stabilized Approach Monitor (option for MK V and MK VII only)	17
2.2.17	Altimeter Monitor (option for MK V and MK VII only)	17
2.2.18	Takeoff Flap Configuration Monitor (option for MK V and MK VII only)	18
2.2.19	Long Landing Monitor (option for MK V and MK VII only)	18
2.2.20	Low Airspeed Monitor (MK V Boeing 737NG only)	18
2.2.21	Lamp Format	19
2.3 SYSTEM MAINTENANCE		20
2.3.1	Maintenance Philosophy	20
2.3.2	System Operation During an Inop Condition	20
2.3.3	BIT Description	20
2.3.4	EGPWC Front Panel	21
2.3.5	Self-Test Functions	22

3	FAULT ISOLATION (TROUBLESHOOTING)		23
3.1	GENERAL		23
3.2	TROUBLESHOOTING GUIDE		23
3.3	LEVEL 1 SELF-TEST- GO/NO GO TEST		24
3.3.1		Self-Test Preamble	24
3.3.2 Short Level 1 Self-Test			25
3.3.3 Long Level 1 Self-Test			26
3.4	LEVEL 2 SELF-TEST- CURRENT FAULTS		26
3.4.1		Current Faults - Internal	27
3.4.2		Current Faults - External	27
3.5	LEVEL 3 SELF-TEST- SYSTEM CONFIGURATION		33
3.6	LEVEL 4 SELF-TEST- FAULT HISTORY		36
3.7	LEVEL 5 SELF-TEST- ALERT HISTORY		37
3.8	LEVEL 6 SELF-TEST- DISCRETE INPUT TEST		37

3.8.1	ARINC 552 / ALT 55 Radio Altitude Validity Flag Discretes			38
3.8.2	GND Landing Gear Discrete			38
CAGE CODE: 97896		SCALE: NONE SIZE: A DWG NO.: 060-4199-180	REV: G	SHEET 5 of 68