Service Letter (SL) 1329A supersedes SL 1329 in its entirety. Aircraft that were previously made compliant with SL 1329 are in compliance with SL 1329A.
SUBJECT: NOSE GEAR TOWING TURN LIMIT IMPROVEMENT
REASON FOR REVISION: SL 1329A adds additional aircraft models and revises the Subject, Purpose, Compliance Time, and Instructions for improved clarity.
MODELS AFFECTED:
PA-46-310P Malibu
PA-46-350P Malibu Mirage / M350
PA-46-500TP Malibu Meridian / M500
PA-46-600TP M600
PA-46R-350T Malibu Matrix
SERIAL NUMBERS AFFECTED:
46-8408001 thru 46-8608067, 4608001 thru 4608140
4622001 thru 4636872
4697001 thru 4697727
4698001 thru 4698291
4692001 thru 4692214
COMPLIANCE TIME: Upon owner/operator discretion or upon condition.
APPROVAL: The content of this service document has been reviewed and determined to be in accordance with applicable Federal Aviation Regulations.
PURPOSE: To announce the availability of a new turn limit indicator decal and position indicator fitting which increases the RH towing turn limit (and LH towing turn limit on PA-46-600TP aircraft) and improves visibility of the position indicator. See the table below for improved towing turn limits.
EFFECTIVITY DATE: This service letter is effective on September 14, 2026.
SUMMARY: Applicable factory participation is limited to new aircraft in warranty at the time of compliance. Factory participation will remain in effect for a period of time not to exceed 180 days from the date of this service letter. Please contact your Piper Approved Service Center to make arrangements for compliance with this service letter in accordance with the compliance time indicated.
NOTE: Please notify the factory of any address/ownership corrections. Changes should include aircraft model, serial number, and current owner’s name and address.
Corrections and/or changes should be directed to:
