Noise certification test and analysis procedures. 

 - [Washington, D.C.,  1986]. 
 - v. 
<br/><br/> January 21, 1986.  CRDP Program Historic Shelflist record. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Airplanes--Noise--Measurement.
<br/><br/><label>Gov. Doc. Class. No.: </label>TD 4.8/5:36-4 A