EASA AD BR-2025-01-01: Computerized Aeroplane Flight Manual Takeoff Calculation Module - Revision | RegNotify

Airworthiness DirectiveEASA AD BR-2025-01-01

Computerized Aeroplane Flight Manual Takeoff Calculation Module - Revision

Published: Jan 20, 2025
Effective: Jan 20, 2025

Embraer ERJ 190

AI-generated summary of the official EASA document. Verify against the PDF before acting.

What to do

Operators of Embraer ERJ 190-300 and ERJ 190-400 airplanes must update the Supplement 1 of the Airplane Flight Manual to include the approved CAFM version 2.0 or later within 45 days of the directive's effective date. Alternative methods of compliance may be approved by ANAC's Continuing Airworthiness Technical Branch. Compliance must be recorded in the aircraft maintenance logbook.

Summary

Brazilian Airworthiness Directive AD No. 2025-01-01 is a regulatory document issued by the Agência Nacional de Aviação Civil (ANAC) that applies to Embraer ERJ 190-300 and ERJ 190-400 airplane models. It addresses an inconsistency in the Computerized Airplane Flight Manual (CAFM) Takeoff Calculation Module affecting these aircraft. The directive mandates updates to the Airplane Flight Manual to ensure accurate takeoff performance calculations.

What changed

This directive introduces a mandatory revision to the Airplane Flight Manual Supplement 1 to incorporate CAFM version 2.0 or later for the ERJ 190-300 and ERJ 190-400 models. The update corrects errors in the takeoff calculation module that could lead to unsafe takeoff performance, particularly in engine failure scenarios during the first segment of the takeoff flight path. No previous directives are canceled or superseded by this AD.

Why it matters

The correction ensures that takeoff performance calculations are accurate, which is critical for flight safety, especially in conditions where an engine failure occurs during takeoff. Operators and maintenance teams must comply to prevent potential inability to clear obstacles after engine failure, thereby reducing risk during critical flight phases. Compliance with this directive supports regulatory adherence and continued airworthiness of affected Embraer aircraft.

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