Chapter 1 General rules and definitions
1.1 Definition of flight terms
1.2 Definition of soaring measurement
terms
1.4 Types of soaring performances
Chapter 3 World gliding records
3.1 Record categories, classes, and types
3.2 Time limits on record claims
Chapter 4 Verification requirements and
methods
4.4 Calculations and calibrations
4.5 Time measurement and evidence
4.6 Position measurement and evidence
4.7 Altitude evidence and control
4.8 Means of propulsion evidence and control
Chapter 6 Certificates and proofs
6.3 Barograph calibration certificate
6.4 Timing device calibration statement
Chapter 7 Glider classes and international
competitions
7.1 Conformity with class rules
7.5 Time scale for class changes