getting to grips with
aircraft performancemonitoring
Flight Operations Support & Line Assistance Customer Services
1, rond-point Maurice Bellonte, BP 33 31707 BLAGNAC Cedex FRANCE Telephone (+33) 5 61 93 33 33 Telefax (+33) 5 61 93 29 68 Telex AIRBU 530526F SITA TLSBI7X
getting to grips with
aircraft performancemonitoring
FOREWORD
The purpose of this brochure is to provide airline flight operations with some recommendations on the way to regularly monitor their aircraft performance.
This brochure was designed to provide guidelines for aircraft performance monitoring based on the feedback obtained from many operators and on the knowledge of Airbus aircraft and systems.
Should there be any discrepancy between the information given in this brochure and that published in the applicable AFM, FCOM, AMM or SB, the latter prevails.
Airbus would be eager to work with some airlines on an ongoing application of this projected performance monitoring system well in advance of its anticipated use on the A380 program.
Airbus encourages to submit any suggestions or remarks concerning this brochure to:
AIRBUS
CUSTOMER SERVICES DIRECTORATE
Flight Operations & Line Assistance - STL
1, rond point Maurice Bellonte
BP33
31707 BLAGNAC Cedex
FRANCE
Fax : + 33 (0) 61 93 29 68/44 65
TELEX : AIRBU 530526 F
TABLE OF CONTENTS
TABLE OF CONTENTS
A. Introduction
9
B. Background
11
1. WHAT IS PERFORMANCE MONITORING? 11
2. AIM OF THE AIRCRAFT PERFORMANCE MONITORING 12
3. THE CRUISE PERFORMANCE ANALYSIS METHODS 12
3.1. THE FUEL USED METHOD 13
3.2. THE FUEL BURN OFF METHOD 13
3.3. THE SPECIFIC RANGE METHOD 13
3.3.1. INTRODUCTION 13
3.3.2. DEFINITION 13
3.3.3. PRINCIPLE OF THE METHOD 14
3.3.4. HOW TO GET SPECIFIC RANGE 15
3.4. CORRECTIONS AND PRECAUTIONS 17
3.4.1. OPERATIONAL FACTORS 17
3.4.2. ENVIRONMENTAL FACTORS 25
3.4.3. TECHNICAL FACTORS 36
3.4.4. TAKING INTO ACCOUNT INFLUENCE FACTORS 40
3.5. CONCLUSION 42
3.5.1. TRENDS AND FACTORING 42
3.5.2. COMPARING PERFORMANCE MONITORING METHODS 43
3.5.3. AIRCRAFT PERFORMANCE MONITORING COMMUNITY 44
C. How to record in-flight parameters 47
1. INTRODUCTION 47
2. REQUIRED OBSERVED DATA 48
3. MANUAL RECORDING 49
3.1. MEASUREMENT PROCEDURES AND PRECAUTIONS 49
3.1.1. AT DISPATCH 49
3.1.2. PRIOR TO TAKE OFF 49
3.1.3. IN FLIGHT 50
3.1.4. DATA RECORDING 51
1.2. FORMS FOR MANUAL READING 51
1.3. DATA ANALYSIS PROCEDURE 54
4. AUTOMATIC RECORDINGS 55
4.1. WHAT IS AUTOMATIC RECORDING? 55
4.2. A300/A310/A300-600 AIRCRAFT 55
4.3. A320 FAMILY/A330/A340 AIRCRAFT 56
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