Airworthiness directives › 2026-08-10
AD 2026-08-10 Airworthiness Directives; B/E Aerospace Fischer GmbH Medical Seats
Models named: EC135, MBB-BK 117, 429, 412. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
(1) This AD applies to B/E Aerospace Fischer GmbH (B/E Aerospace Fischer) Medical Seat 230/305 with a part number (P/N) and serial number combination listed in Table 1—affected P/Ns, in Paragraph 1.1 SB [Service Bulletin] Effectivity of Collins Aerospace Alert Service Bulletin (ASB) SB 9613-005, Issue D, dated December 3, 2025 (Collins Aerospace ASB SB 9613-005, Issue D). (2) These seats are known to be installed on but not limited to: Airbus Helicopters Deutschland (AHD) Model EC135 and MBB-BK 117 helicopters, Bell Textron Canada Limited Model 429 helicopters, and Bell Textron Inc. Model 412 helicopters, certificated in any category.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
For medical seats identified in paragraph (c) of this AD, before further flight after the effective date of this AD, accomplish one of the following: (1) Install a placard with the words “Do not occupy” on the affected medical seat; or (2) Modify each AF certified swivel unit P/N 9715-1 into an FF and AF certified swivel unit P/N 9715-2 in accordance with the Accomplishment Instructions paragraphs 3.1.2 and 3.2 of Collins Aerospace ASB SB 9613-005, Issue D. This modification is considered a terminating action for this AD.
Unsafe condition
This AD was prompted by a determination that certain medical seats that are certified for aft facing (AF) and forward facing (FF) installations have been delivered with an incorrect version of the swivel unit. The FAA is issuing this AD to address an incorrect version of the swivel unit on these medical seats. The unsafe condition, if not addressed, could result in injuries to the occupant during an emergency landing.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1