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S4C6 - SPECIAL TECHNICAL INSTRUCTIONS

Table of Contents

INTRODUCTION

STI IDENTIFICATION

MANAGEMENT AND RESPONSIBILITIES

Approved Maintenance Organisation

Senior Maintenance Manager

Maintenance Control Office

DEFERMENT OF STI INCORPORATION

WARNING - AAP 7001.059 TAREG VERSION

WARNING

The procedures in AAP7001.059-TAREG support compliance with AAP7001.053-Technical Airworthiness Regulations, which have been superseded.

Procedures supporting compliance with AAP8000.011-Defence Aviation Safety Regulations are contained in AAP 7001.059-DASR

An organisation’s exposition details which 059 version is applicable

INTRODUCTION

1. A Special Technical Instruction (STI) provides a means for a Systems Program Office (SPO) to issue an urgent engineering and maintenance instruction to AMOs. STIs are limited to technical matters of priority or safety which cannot be satisfied by, or actioned within the timeframe necessary to process a publication amendment, or a Modification Order.

2. This chapter prescribes the requirements for an AMO to effectively manage an STI.

STI IDENTIFICATION

3. An STI is readily identifiable by a ‘Warning Page’ hatching around the page border.

4. An STI will normally belong to a series allocated in accordance with the sponsor SPOs STI identification system. The STI will be numbered sequentially within the applicable series, and released in numerical order to facilitate tracking and filing.

5. Released STIs have a status of either ‘Active’ or ‘Cancelled’. A STI is ‘Active’ until all action is complete, or is superseded by a new or amended STI, after which it becomes ‘Cancelled’. The status of released STIs is promulgated by means of a Consolidation Index.

MANAGEMENT AND RESPONSIBILITIES

Approved Maintenance Organisation

6. The AMO is responsible for:

  1. Maintaining a STI register to record the title, number and status of each STI received in their series.
  2. Acknowledging the receipt of an STI with the SPO.
  3. Complying with the requirements of all STIs which affect aircraft, aeronautical product, explosive ordnance or associated equipment either operated or maintained by the AMO.
  4. Complying with the reporting requirements detailed within the STI.

Senior Maintenance Manager

7. The Senior Maintenance Manager is responsible for:

  1. Ensuring appropriate maintenance personnel read the applicable STI as soon as possible after receipt, or before work commences, and sign the certification sheet in the STI series binder.
  2. Determining the most appropriate implementation plan within the timeframe stated on the STI Urgency.
  3. Advising the responsible SPO STI Releasing Authority immediately if the AMO is unable to comply with the STI.

Maintenance Control Office

8. The Maintenance Control Office is responsible for:

  1. Applying the maintenance policy to the aeronautical product detailed in the STI.
  2. Controlling the distribution of STI copies within the AMO.
  3. Recording the status of the STI in the maintenance recording system.
  4. Retaining all master copies of STIs. All ‘Cancelled’ or ‘Superseded’ master copies are to be stamped in red with the word ‘Cancelled’ on all pages and filed in a separate section at the back of the appropriate STI series master file. All other Cancelled or Superseded copies may be destroyed.
  5. Reviewing the status of STIs held when each new consolidated Index is issued.

DEFERMENT OF STI INCORPORATION

9. If an urgent unforeseen operational or technical non-compliance develops that overrides the STI incorporation requirements, the SMM or delegate may defer the STI in accordance with Section 3 Chapter 11—Deferment of Required Maintenance. However, the SMM or delegate must notify, and should seek SPO advice in making the assessment prior to deferring the STI.

10. In the event the SMM or delegate is unable to contact the relevant SPO, the SMM or delegate must complete the assessment and notify the SPO of the STI deferral at the first available opportunity.

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