APPENDIX B Sample Data Sheet for Helicopter Noise Monitoring

Equipment	Model	Equipment No.	Last Calibration/Due Date
Sound Level Meter			/
Sound Pressure Calibrator			/

Calibration before measurement (dB(A))

Calibration after measurement (dB(A))

Monitoring Location
Description of Location
Date of Monitoring
Weather Condition		Sunny / Cloudy / Rainy
Measurement Start Time (hh:mm)
Measurement Time Length (min/hr)
Measurement Results	Lmax (dB(A))
	Leq(4hours) (dB(A))
Other Noise Source(s) During Measurement		Road traffic noise	Air traffic noise
		Construction noise from other sites (e.g. piling) pls specify:
		Other noise sources (e.g. Engines noise from Turbo Jet) pls specify:
Remarks

	Name	Signature	Date
Recorded By
Checked By