Special Conditions: Honeywell International Inc., Boeing Model 757-200 Series Airplanes; Electronic System Security Protection From Unauthorized External Access
§ 01 Summary
FAA issues special conditions for Honeywell International’s modification of Boeing 757-200 airplanes that adds a connected digital systems architecture with external network access. The rule requires the modified aircraft’s electronic systems to be protected against unauthorized external access and related security threats as part of airworthiness approval.
§ 02 Why this matters
The special conditions add binding airworthiness standards for Honeywell’s Boeing 757-200 modification because existing transport-category airplane rules do not address externally connected digital systems. Compliance is required to show protection against unauthorized external access before the modified design can be approved.
§ 03 Topics
§ 04 Affected entities
- agency: FAA
- company: Honeywell International Inc.
- company: Boeing
- industry: aircraft-avionics-manufacturers
- industry: commercial-aircraft-operators
§ 05 Matching feeds
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§ 06 Source document
Read the full Federal Register entry on federalregister.gov.
Show classifier input (what GPT-5.5 saw)
Type: Rule Agencies: Transportation Department; Federal Aviation Administration Citation: 91 FR 32325 Title: Special Conditions: Honeywell International Inc., Boeing Model 757-200 Series Airplanes; Electronic System Security Protection From Unauthorized External Access Abstract: These special conditions are issued for the Boeing Model 757- 200 series airplanes. This airplane, as modified by Honeywell International Inc (Honeywell), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is the installation of a digital systems architecture that will allow increased connectivity to and access from external network sources to the airplane's previously isolated electronic assets. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.
Classified Jun 2, 2026 by gpt-5.5. Fetched Jun 2, 2026.
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