This SAE Recommended Practice establishes the procedure for measuring the maximum exterior sound level for pleasure motorboats under 20 m (65 ft) in length, and describes the instrumentation, test site, and boat operation, for determining the sound level.
SAE J34A-1977 history
2018SAE J34-2018 Exterior Sound Level Measurement Procedure for Recreational Motorboats
2011SAE J34-2011 Exterior Sound Level Measurement Procedure for Pleasure motorboats
2005SAE J34-2005 Exterior Sound Level Measurement Procedure for Pleasure Motorboats
2001SAE J34-2001 Exterior Sound Level Measurement Procedure for Pleasure motorboats
1991SAE J34-1991 EXTERIOR SOUND LEVEL MEASUREMENT PROCEDURE FOR PLEASURE MOTORBOATS
1977SAE J34A-1977 EXTERIOR SOUND LEVEL MEASUREMENT PROCEDURE FOR PLEASURE MOTORBOATS
1977SAE J34-1977 Exterior Sound Level Measurement Procedure for Pleasure Motorboats
1973SAE J34-1973 Exterior Sound Level Measurement Procedure for Pleasure Motorboats