21.331—Issuance of export airworthiness approvals for aircraft engines, propellers, and articles.
        
        (a) 
         A person may obtain from the FAA an export airworthiness approval to export a new aircraft engine, propeller, or article that is manufactured under this part if it conforms to its approved design and is in a condition for safe operation.
    
    
        
        (b) 
         A new aircraft engine, propeller, or article need not meet a requirement of paragraph (a) of this section if—
    
    
        
        (1) 
         The importing country or jurisdiction accepts, in a form and manner acceptable to the FAA, a deviation from that requirement; and
    
    
        
        (2) 
         The export airworthiness approval lists as an exception any difference between the aircraft engine, propeller, or article to be exported and its approved design.
    
    
        
        (c) 
         A person may obtain from the FAA an export airworthiness approval to export a used aircraft engine, propeller, or article if it conforms to its approved design and is in a condition for safe operation.
    
    
        
        (d) 
         A used aircraft engine or propeller need not meet a requirement of paragraph (c) of this section if—
    
    
        
        (1) 
         The importing country or jurisdiction accepts, in a form and manner acceptable to the FAA, a deviation from that requirement; and
    
    
        
        (2) 
         The export airworthiness approval lists as an exception any difference between the used aircraft engine or propeller to be exported and its approved design.