WITHDRAWN — FAA SAIB CE-10-14 ENDORSED
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Owners and operators of affected Honeywell navigation systems should follow the recommended actions outlined in Honeywell International Inc.'s Service Information Letter D201001000010 Revision 4 dated 18 January 2010. They should verify and update navigation databases accordingly to mitigate the issue. No mandatory compliance deadline is specified, but timely action is advised to maintain navigation accuracy.
Summary
EASA Safety Information Bulletin SIB No. 2010-02 addresses an airworthiness concern related to certain Honeywell (Bendix/King) navigation systems, including models KLN 35, KLN 88, KLN 89, KLN 89B, KLN 90, KLN 90B, KLN 94, KLX 100, KLX 135, KLX 135A, and KLN 900. The bulletin highlights incorrect dynamic magnetic variations inserted in the navigation database Cycle 1001 effective 14 January 2010. These navigation systems are installed on various Part 23, 25, 27, and 29 certificated aircraft.
What changed
The bulletin informs operators about an error in the navigation database Cycle 1001 affecting Honeywell Bendix/King units, where incorrect magnetic variation data was inadvertently included for terminal and en route waypoints. It does not introduce mandatory corrective actions but endorses Honeywell's recommended procedures to address the issue. No airworthiness directive has been issued as the unsafe condition has not been confirmed.
Why it matters
This information is important for aviation professionals because incorrect magnetic variation data can affect navigation accuracy, potentially impacting flight safety and operational reliability. Operators and maintenance organizations need to be aware of this issue to ensure proper database updates and system performance. Compliance teams should monitor for any future mandatory directives related to this concern.
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