Updated Articles

  1. SM-29 Piper PA-12 CAA Field Approvals for Engines

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Field approvals for Piper PA-12 engines not listed in the CAA specifications.

  2. SM-28 Piper Miscellaneous FAA Field Approvals

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    The following installations have been FAA approved in the field. The party securing the approval is also listed.

  3. SM-27 Piper Refinishing and Rejuvenating Planes Finished with Nitrate Dope

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Refinishing procedure for airplanes which are finished with Nitrate dope and which are to be refinished with Butyrate dope, or "Duraclad".

  4. SM-26 Piper Refinishing and Rejuvenating Planes Finished with Butyrate Dope

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 All Models
    Refinishing procedure for airplanes which are finished with Butyrate dope and which are to be refinished with Butyrate dope, or "Duraclad".

  5. SM-25 Piper PA-20/PA-22 Approximate Materials to Recover

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Approximate amount of materials required to recover PA-20 and PA-22 models using raw fabric and cellulose acetate butyrate dope.

  6. SM-24 Piper PA-12 Approximate Materials to Recover

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-12
    Approximate amount of material required to recover PA-12 Model using cellulose acetate butyrate dope and raw fabric.

  7. SM-23 Piper Approximate Materials to Recover

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Approximate material required to recover Piper J-3, PA-11, PA-15, PA-17 and PA-18 aircraft using raw fabric and cellulose acetate butyrate dope.

  8. SM-22 Piper Materials to Recover Component Parts

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper J-3
    Approximate list of materials required to cover and finish the various component assemblies of the listed piper planes.

  9. SM-20 Piper PA-20 Rigging and Leveling Procedure

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-20
    Rigging and leveling procedure for Piper PA-20 airplanes.

  10. SM-19 Piper PA-18/PA-19 Rigging Procedure

    Last Updated: 12/14/2021 in Service Bulletins, Letters and Memos Piper J-2 thru PA-25 Piper PA-18
    Rigging procedure for Piper PA-18 and PA-19.
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