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## Subject: Personnel Parachute Assemblies and Components 

## Technical Standard Order 

1. PURPOSE. This technical standard order (TSO) is for manufacturers applying for a TSO authorization (TSOA) or letter of design approval (LODA). In it, we the Federal Aviation Administration (FAA), tell you what minimum performance standards (MPS) your personnel parachute assembly and components must first meet for approval and identification with the applicable TSO marking. 

2. APPLICABILITY. This TSO affects new applications submitted after its effective date. 

a. All prior revisions to this TSO are no longer effective. Generally, we will not accept applications for the previous revision after the effective date of this TSO. We may do so, however, up to six months after it, if we know that you were working against the prior MPS before the new change became effective. 

b. Personnel parachute assemblies and components approved under a previous TSOA may still be manufactured under the provisions of its original approval. 

3. REQUIREMENTS. New models of personnel parachute assemblies and components identified and manufactured on or after the effective date of this TSO must meet the MPS qualification and documentation requirements in Parachute Industry Association (PIA) Technical Standard 135 TS-135 Revision 1.4 issued April 22, 2010 “ Performance Standards for Personnel Parachute Assemblies and Components ”  as modified by appendix 1 of this TSO. 

a. Functionality. This TSO’s standards apply to equipment intended to be used as a reserve or emergency parachute. 

## b. Failure Condition Classifications . 

( 1) Lose of the function defined in paragraph 3.a  is a catastrophic failure condition. 

