# STC ST12344IB - Type: Supplemental type certificate - Status: Current, Issued - Holder: Cessna Duesseldorf Citation Service Center GmbH - Description: Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher - Status date: March 25, 2026 - Data sheets: A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A16SW, A16SW, T00013WI, A22CE, A22CE, A22CE, A22CE, A22CE, A9NM, T00012WI, T00012WI, T00007WI - Certificate PDF: https://openairdocs.org/files/sha256/ad/1a/ad1a9df4feeeb12b577d1d983f4533a4c4fa08c6f7b3131045445bf1767840bb - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130615896420260326150802.0001 - Page: https://openairdocs.org/stc/ST12344IB ## ADs that name it None. ## Approved models (18) - Textron Aviation Inc. 400 (TCDS A16SW) - Textron Aviation Inc. 4000 (TCDS T00013WI) - Textron Aviation Inc. 400A (TCDS A16SW) - Textron Aviation Inc. 500 (TCDS A22CE) - Textron Aviation Inc. 550 (TCDS A22CE) - Textron Aviation Inc. 560 (TCDS A22CE) - Textron Aviation Inc. 560XL (TCDS A22CE) - Textron Aviation Inc. 650 (TCDS A9NM) - Textron Aviation Inc. 680 (TCDS T00012WI) - Textron Aviation Inc. 680A (TCDS T00012WI) - Textron Aviation Inc. 750 (TCDS T00007WI) - Textron Aviation Inc. Hawker 750 (TCDS A3EU) - Textron Aviation Inc. Hawker 800 (TCDS A3EU) - Textron Aviation Inc. Hawker 800 (U-125A) (TCDS A3EU) - Textron Aviation Inc. Hawker 800XP (TCDS A3EU) - Textron Aviation Inc. Hawker 850XP (TCDS A3EU) - Textron Aviation Inc. Hawker 900XP (TCDS A3EU) - Textron Aviation Inc. S550 (TCDS A22CE) ## What the certificate says Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record. United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST12344IB FAA Form 8110-2 (03/21) Page 1 of 3 This certificate issued to: Cessna Duesseldorf Citation Service Center GmbH 40474 DUESSELDORF GERMANY 25 of Title 14 Code of Federal Regulations . Original Product * Type Certificate Number: Make: * *See attached FAA Approved Model List (AML) Description of Type Design Change: Model: No. ST12344IB for a list of approved aircraft models and applicable airworthiness regulations. 1. Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher is to be installed and maintained in accordance with Cessna Duesseldorf Citation Service Center GmbH documents as shown in the attached FAA approved AML No. ST12344IB. 1. This STC is applicable to all serial numbers for the applicable Make and Models listed in the attached AML No. ST12344IB. (See Limitations and Conditions Continued on Page 3 of 3) Date of Application: October 28, 2025 Date Reissued: Date of Issuance: March 25, 2026 Date Amended: John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Title: Aircraft Certification Service United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT Number: ST12344IB FAA Form 8110-2 (03/21) Page 2 of 3 United States of America Department of Transportation Federal AviationAdministration Supplemental Type Certificate IMPORT (Continuation Sheet) Number: ST12344IB Date of Issuance: March 25, 2026 2. The installer must determine whether this design change is compatible with previously approved modifications. 3. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission. 4. A copy of this certificate and the FAA approved AML No. ST12344IB, issued March 25, 2026, must be maintained as part of the permanent records for the modified aircraft. ----------END----------- ### AML ST12344IB.pdf FAA APPROVED MODEL LIST (AML) No. ST12344IB Cessna Duesseldorf Citation Service Center GmbH FOR Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher Page 1 of 2 ITEM MAKE Type Certificate Holder MODEL Type Certificate Number (TCDS) **CERT BASIS** **REQUIRED DOCUMENTATION INITIAL ISSUE DATE** **AMENDMENT** **DATE INSTALLATION INSTRUCTIONS** **NUMBER/DATE** **INSTRUCTIONS FOR CONTINUED** **AIRWORTHINESS** **NUMBER/DATE** **AIRPLANE FLIGHT MANUAL** **SUPPLEMENT** Textron Aviation Inc. Hawker 750, 800, 800XP, 850XP, 900XP. A3EU * Cessna Duesseldorf Citation Service Center GmbH Work Instructions 2024-20-1 Rev C, dated June 26, 2025, or later EASA approved revision. Cessna Duesseldorf Citation Service Center GmbH Instructions For Continued Airworthiness 2024-20-10 Rev B, dated February 24, 2026, or later EASA approved revision. N/A March 25, 2026 N/A Textron Aviation Inc. 400. 400A A16SW * N/A March 25, 2026 N/A Textron Aviation Inc. 4000 T00013WI * N/A March 25, 2026 N/A Textron Aviation Inc. 500, 550, S550, 560, 560XL A22CE * N/A March 25, 2026 N/A Textron Aviation Inc. A9NM * N/A March 25, 2026 N/A Textron Aviation Inc. 680A 680 T00012WI * N/A March 25, 2026 N/A FAA APPROVED MODEL LIST (AML) No. ST12344IB Cessna Duesseldorf Citation Service Center GmbH FOR Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher Page 2 of 2 Textron Aviation Inc. T00007WI * N/A March 25, 2026 N/A * Certification Basis: For all makes and models, the modification certification basis for parts changed or affected by the change is as shown on the applicable TCDS plus 14 CFR Part 25 regulation 25.851 at Amendment 25-136. FAA Approved: 03/25/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service ## Every issue (1) - March 25, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ad/1a/ad1a9df4feeeb12b577d1d983f4533a4c4fa08c6f7b3131045445bf1767840bb), [AML ST12344IB.pdf](https://openairdocs.org/files/sha256/6a/36/6a366d77457d506b917dc6ea735c117afec7ba96333060b73e3f325ffaa94958) --- From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.