PIA TS 135  Parachute Industry Association (PIA)  TECHNICAL STANDARD 135  PERFORMANCE STANDARDS FOR PERSONNEL PARACHUTE ASSEMBLIES AND COMPONENTS $^{ }$1.  SCOPE:  1.1  PARACHUTE TYPES:  1.2  MAXIMUM OPERATING LIMITS, GENERAL:  This document defines the performance standards for personnel parachute assemblies (and  components thereof) to be carried in aircraft for emergency use by aircrew and those reserve  parachutes worn by parachutists for intentional jumping. This document covers three types of personnel carrying parachute assemblies and the operating  limitations for each:  1.1.1 Single harness reserve parachute assembly.  1.1.2 Single harness emergency parachute assembly.  1.1.3 Dual harness reserve parachute assembly.  1.2.1 A single harness parachute assembly (or components thereof) may be certified for any maximum  operating weight and for any maximum pack opening speed equal to or greater than 150 KTAS  (277.8 km/h).  1.2.2 A dual harness reserve parachute assembly (or components thereof) may be certified for any  maximum operating weight greater than 500 lb (227.3 kg) (with 250 lb (113.6 kg) in each  harness) and any maximum pack opening speed equal to or greater than 175 KTAS (324.1  km/h). Note that the maximum operating weight need not be the same for each harness. DISTRIBUTION STATEMENT: All Rights Reserved. No Part of this publication may be reproduced without prior written permission from Parachute Industry Association. PIA Headquarters, Parachute Certification St andards Committee, 3833 West Oakton Street, Skokie, IL 60076 Phone: 847-674-9742 Fax: 847-674-9743 or  website www.pia.com for contact details.  Disclaimer: This document is published by the PIA to provide technical and engineering standards that can be used by reference by all those who may benefit from them. The use of this document is entirely voluntary, and its applicability and suitability for any particular use, including any patent or trademark infringement  arising there from, is the sole responsibility of the user. There may be errors, especially in numbers. PIA disclaims any responsibility for accuracy. The PIA reviews each technical publication periodically, at which time it may be reaffirmed, revised, or canceled. The PIA invites your written comments and suggestions.  Copyright © 2010 Parachute Industry Association.  PIA TS-135, Revision 1.4, Issued April 22, 2010, Page 1 of 18  Change 1 (December 2015)  A-26