Airworthiness Directive 97-18139
one-timeAirworthiness Directives; Pilatus Britten-Norman Ltd. BN-2A and BN-2A Mk 111 Series Airplanes; Correction
What this AD requires
This document makes a correction to Airworthiness Directive (AD) 97-14-01, which was published in the Federal Register on July 2, 1997 (62 FR 35670), and is applicable to Pilatus Britten-Norman Ltd. (PBN) BN-2A and BN-2A Mk 111 series airplanes. This AD currently has an issue date and effective date of August 18, 1997. The AD currently requires inspecting the LH rudder bar assembly for wall thickness of the slider tube unit and modifying the rudder bar assembly by replacing the LH slider tube with a new strengthened slider tube unit. This action changes the issue date of this AD to June 24, 1997 and leaves the effective date at August 18, 1997.
Which aircraft AD 97-18139 applies to
applicability derived from the AD summary — confirm the model/serial from the records
Whether AD 97-18139 actually applies to your aircraft (by serial and installed parts) and whether it’s already complied with comes from that aircraft’s records.
How AD compliance is recorded
A valid compliance record (14 CFR 43.9) states:
Tailplate reads a tail number’s logbooks and matches every applicable AD — including this one — to its compliance evidence, with recurring next-due dates computed.
Look up a tail number →Read the full directive (Federal Register)Applicability is derived from the FAA directive corpus and is advisory, not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.