Skip to main content

SCHEDULE OF AIRWORTHINESS DIRECTIVES

CESSNA 177 · Airworthiness Directives

Free account — keep the POHs & checklists you reference in one place.

Overview

This document is an Airworthiness Directive (AD) issued by the Civil Aviation Safety Authority of Australia concerning the Cessna 177 series aeroplanes. It specifically addresses the pneumatic stall warning system found in these aircraft. The directive outlines the requirements for checking the operation of the stall warning system, the installation of a placard for pre-flight checks, and the modifications needed to ensure compliance with safety standards. The document is intended for pilots and maintenance personnel responsible for ensuring the airworthiness of Cessna 177 aircraft.

  • Check the pneumatic stall warning system before each flight.
  • Install a placard stating 'PRE-FLIGHT TEST THE PNEUMATIC STALL WARNING SYSTEM' in full view of the pilot.
  • Replace the stall warning reed assembly with specified part numbers to remove certain requirements.
  • Flight test the aircraft to ensure the stall warning horn sounds at 5 to 10 knots above stalling speed.

Document

Source

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

Report a problem or request removal

Document details

Type
·
Airworthiness Directives
Year
·
1983
Pages
·
1
File size
·
11 KB
Publisher
·
services.casa.gov.au
About this document
What is the SCHEDULE OF AIRWORTHINESS DIRECTIVES?

The SCHEDULE OF AIRWORTHINESS DIRECTIVES is a airworthiness directives for the CESSNA 177, dated 1983.

How many pages is the SCHEDULE OF AIRWORTHINESS DIRECTIVES?

The copy of the SCHEDULE OF AIRWORTHINESS DIRECTIVES on file runs 1 pages.

Where does the SCHEDULE OF AIRWORTHINESS DIRECTIVES come from?

This copy of the SCHEDULE OF AIRWORTHINESS DIRECTIVES was originally published by services.casa.gov.au and is hosted on Sprinkle as a free, searchable reference copy.

What year was the SCHEDULE OF AIRWORTHINESS DIRECTIVES published?

The SCHEDULE OF AIRWORTHINESS DIRECTIVES — the CESSNA 177 airworthiness directives on file — is dated 1983.

Documentation completeness
6/7

Most owners only have the POH. Here's the essential set for the CESSNA 177.

More CESSNA 177manuals & documents

See all 28 →

In this document

Applicability

The directive applies to all Cessna 177 models equipped with pneumatic stall warning systems that do not have the specified horn reed assembly part numbers or protective screens.

Requirement

Pilots must check the pneumatic stall warning system for correct operation before each flight. This involves applying suction to the stall warning opening and ensuring the horn sounds clearly. A placard must be installed in the cockpit to remind pilots to perform this check.

Compliance

Compliance with the requirements must be achieved before each flight for the operational check and within 25 hours of service for the placard installation.

Background

The directive has been amended to reflect the latest changes in Cessna part numbers and to correct a typographical error.

Safety notes

  • Ensure the stall warning system is operational to prevent stall incidents.

Full document text

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY SCHEDULE OF AIRWORTHINESS DIRECTIVES Cessna 177 Series Aeroplanes AD/CESSNA 177/5 Amdt 2 Pneumatic Stall Warning System 7/83 Applicability: All models with pneumatic stall warning systems not incorporating horn reed assembly P/N 0413483-2, P/N 0713348-1 or subsequent and protective screens over the horn bell and stall warning system opening on the left wing. Requirement: 1. Check the pneumatic stall warning system for correct operation by applying a slight suction with the mouth at the stall warning opening in the left wing. A properly functioning horn will provide a sound that is clearly audible. It may be advisable to first cover the opening with a clean piece of cloth. Cessna 100 Series Service Manual 1963 to 1967 Section 16 refers. Note: This check may be performed and certified by the pilot. 2. Install the following placard in full view of the pilot: “PRE-FLIGHT TEST THE PNEUMATIC STALL WARNING SYSTEM”. 3. The requirements of paragraphs 1 and 2 may be removed by incorporation of the following modifications. Replace the stall warning reed assembly P/N 0413028-1 with reed assembly P/N 0413483-2, P/N 0713348-1 or subsequent and install an 18 x 14 or 18 x 16 mesh screen over the exposed horn bell inside the cabin and over the left wing opening. Flight test the aircraft to assure the stall warning horn sounds at 5 to 10 knots above the stalling speed. Compliance: For para. 1 - Before each flight. For para. 2 - Within 25 hours time in service after 5 September 1968. Background: This amendment reflects latest Cessna Part Number change. This Directive is reissued to correct a typographical error.