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SCHEDULE OF AIRWORTHINESS DIRECTIVES

Piper PA-18 Super Cub · Airworthiness Directives

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Overview

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia concerning the Piper PA-18 and PA-19 Super Cub series aeroplanes. It outlines specific requirements to ensure the safety and airworthiness of these aircraft models. The directive focuses on the re-routing of fuel primer and hydraulic lines to prevent potential hazards, specifically the risk of fire due to contact with the exhaust muffler. Compliance with this directive is mandatory for all applicable models, and it specifies a timeframe for compliance based on the aircraft's time in service. The document serves as a critical safety measure for operators and maintenance personnel of the Piper Super Cub series.

  • Re-route fuel primer line and hydraulic line to avoid contact with the exhaust muffler.
  • Secure lines to the firewall using clamps as per Piper SL No. 213.
  • Compliance is required within 25 hours of time in service after 31 March 1985.
  • This directive is applicable to all models of the Piper PA-18 and PA-19 Super Cub series.
  • Failure to comply may increase the risk of in-flight fire.

Document

Source

Originally published by services.casa.gov.au. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

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Document details

Type
Airworthiness Directives
Year
1985
Pages
1
File size
11 KB
Publisher
services.casa.gov.au
How rare is it?
8Piper PA-18 Super Cub registered worldwide · 1 active

Common. Rarer than 8% of the aircraft models we track.

Documentation completeness
6/7

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In this document

Applicability

The directive applies to all models of the Piper PA-18 and PA-19 Super Cub series aeroplanes.

Requirement

Operators are required to re-route the fuel primer line and, if necessary, the wheel brake hydraulic line to prevent contact with the exhaust muffler. This includes securing the lines to the firewall using clamps, as detailed in Piper Service Letter No. 213.

Compliance

Compliance with the directive must be achieved within 25 hours of time in service after 31 March 1985.

Background

The directive has been amended to combine the requirements of Piper Service Letter No. 213 and FAA AD 53-24-4, emphasizing the importance of re-routing the lines to mitigate the risk of in-flight fire.

Safety notes

  • Ensure fuel primer and hydraulic lines do not pass behind the muffler to prevent fire hazards.

Full document text

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Piper PA-18 and 19 (Super Cub) Series Aeroplanes AD/PA-18/12 Amdt 1 Fuel Primer and Hydraulic Lines - Re-Routing 4/85 DM Applicability: All models. Requirement: 1. To prevent contact with the exhaust muffler, re-route fuel primer line, and wheel brake hydraulic line if necessary, to ensure that they do not pass behind the muffler. 2. Using clamps, secure the lines to the firewall - refer to Piper SL No. 213 for fuel primer line clamping instructions. Note: FAA AD 53-24-4 refers. Compliance: Within 25 hours time in service after 31 March 1985. Background: This Directive has been amended to combine the intent of Piper SL No. 213 and FAA AD 53-24-4 into a single requirement. Re-routing, as applicable, of the fuel primer line and wheel brake hydraulic line is necessary to preclude the possibility of an in- flight fire.