Piper ARCHER II Pilot Operating Handbook page 40

PIPER AIRCRAFT CORPORATION SECTION 2
PA-28-181, ARCHER II LIMITATIONS
2.23 NOISE LEVEL
The noise level of this aircraft is 73.9 d B(A).
No determination has been made by the Federal Aviation
Administration that the noise levels of this airplane are or should be
acceptable or unacceptable for operation at, into, or out of, any airport.
The above statement not withstanding the noise level stated above has
been verified by and approved by the Federal Aviation Administration in
noise level test flights conducted in accordance with FAR 36, Noise
Standards - Aircraft Type and Airworthiness Certification. This aircraft
model is in compliance with all FAR 36 noise standards applicable to this
type.
ISSUED: JULY 2, 1979 REPORT: VB-1120
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