AD/PA-31/18 - Front Seat Restraint Installations - Modification - CANCELLED

What this is

This document officially cancels an old aviation safety rule (called an Airworthiness Directive or AD) that applied to specific Piper aircraft.

What the old rule required

Originally issued in 1971, the rule required owners to install upper torso restraints (shoulder harnesses) on the front seats of Piper PA-31 series aeroplanes certified before 1967. This was to better protect pilots and passengers during accidents.

What this document does

It cancels the old rule effective 17 January 2008. You no longer need to follow this specific directive (AD/PA-31/18).

Why it matters

The requirement for shoulder harnesses still exists, but it is now covered by a broader, updated rule (AD/GENERAL/74 Amendment 1) that applies to many aircraft types. This cancellation removes the outdated specific rule to avoid duplication.

Who is affected

Owners and operators of Piper PA-31 series aircraft, who must now ensure compliance with the replacement general directive instead.