NS EN ISO 14509 : 2000 AMD 1 2004

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Measurement quantity
6 Measurement uncertainty
7 Measuring equipment
   7.1 Equipment specifications
   7.2 Equipment calibration
8 Test site specifications and environmental conditions
   8.1 Test site specifications
   8.2 Environmental conditions
   8.3 Background noise
9 Test course, microphone positions and measurement distance
   9.1 General
   9.2 Distance correction
10 Operating conditions
11 Test procedure
12 Test report
13 Standard craft specifications for outboard motor type
   tests according to clause 10
14 Standard craft specifications for type tests for stern
   drives with integral exhaust systems according to clause 10
Annex A (normative) Measurement of the sound exposure level
Annex B (informative) Example of test report form
Bibliography

Gives the conditions for obtaining reproducible and comparable measurement results of the maximum sound pressure level of airborne sound generated during the passage of powered recreational craft of up to 24 m length of hull, including inboards, stern drives, personal watercraft (PWC) and outboard motors used in conjunction with a standard craft.