# STC SA5455NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Topeka Management Inc., United States - Description: Modification of the aircraft by installation of noise reduction nacelles. - Applied: July 31, 1989 - Status date: August 28, 2002 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 36 - Data sheets: [TCDS 4A25](https://openairdocs.org/tcds/4A25) - Certificate PDF: https://openairdocs.org/files/sha256/c2/51/c2511139930431c7ff323eed8a772781ba5a08e5a44c4cfd6ebd5b5d24f91874 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0BB9E181C1048DC885256CC200122931.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA5455NM ## ADs that name it (1) - [AD 95-09-09](https://openairdocs.org/ad/95-09-09): Cone Bolt ยท Modification of the aircraft (Topeka Management STC SA4892NM or SA5455NM). Effective May 16, 1995. Named in the applicability ## Approved models (4) - McDonnell Douglas Corporation DC-8-62 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - McDonnell Douglas Corporation DC-8-62F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - McDonnell Douglas Corporation DC-8-63 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - McDonnell Douglas Corporation DC-8-63F ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) ## 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. This Certificate issued to Topeka Management, Inc. 2850 North Clybourn Avenue Burbank, California 91505 Part 4b of the Civil Air Regulations. 4A25 McDonnell Douglas DC-8-62, -62F, -63, and -63F Description of Type Design Change. Modification of the aircraft by installation of Noise Reduction Nacelles in accordance with Burbank Aeronautical Corp. II Master Drawing List (MDL) Document No. DC8-30000 Revision "B" dated 7/19/91, or later FAA approved revision. FAA approved Airplane Flight Manual Supplements DC8-TM-301, Revision N/C dated August 5, 1991, or later FAA approved revision, and DC8-TM-302 Revision N/C dated August 5, 1991, or later FAA approved revision are required as part of this installation. Limitations and Conditions: The approval of this change in type design applies to the above listed aircraft models only. Except for the limitation listed herein, this approval should not be extended to aircraft of these models that incorporate any other previously approved modifications unless it is determined that the interrelationship between this change and any other modification will introduce no adverse effect on the airworthiness of these aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. (Continued on Page 3) Date of application: July 31, 1989 Date of issuance: August 15, 1991 Date reissued : March 5, 1998; August 28, 2002 Date amended : Mar. 19, 1993; Dec. 10, 1993; Jan 6, 1995; Mar. 30, 1995 ( Signature) Acting Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title) NOTE: **DO NOT DELETE THIS PAGE.** **DO NOT ADD ANY DATA TO THIS PAGE.** **THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.** Number SA5455NM (A) 07/31/89 (I) 08/15/91 (A) 03/19/93, 12/10/93, 01/06/95, 03/30/95 (R) 03/05/98, 08/28/02 Limitations and Conditions (Continued) A copy of this STC must be included in the permanent records of the modified aircraft. All Limitations and Conditions shown on the Type Certificate Data Sheet No. 4A25, Revision 31 or later revisions for the Douglas Model DC-8-62, -62F, -63, and -63F airplanes remain applicable. The following list contains those limitations and conditions which have been modified and certain unmodified ones which are listed for applicability. 1. Model Applicability: Only model DC-8-62, -62F, -63, and -63F airplanes which have been previously modified in accordance with Aeronautical Development Corp. STC SA2494NM (to amendment dated December 24, 1985, or later). 2. Engines: Only Pratt and Whitney turbofan JT3D-3B and JT3D-7 engines are eligible for this modification. 3. Engine and Airplane Limits: See Type Certificate Data Sheet 4A25 and the applicable Airplane Flight Manual Supplement. 4. Engine Intermix: Intermix of JT 3D-3B and JT3D-7 engines is permitted with the operation of the aircraft in accord ance to the applicable Airplane Flight Manual Supplement. 5. Nacelle Intermix: No intermix of non-acousti cally treated nacelle inlets, nose domes, and fan ducts is permitted. 6. Maximum Weight: See Type Certificate Data Sheet 4A25 and the applicable Airplane Flight Manual Supplement. Number SA5455NM (A) 07/31/89 (I) 08/15/91 (A) 03/19/93, 12/10/93, 01/06/95, 03/30/95 (R) 03/05/98, 08/28/02 Limitations and Conditions (Continued) 7. Maximum Speeds: See Type Certificate Data Sheet 4A25 and the applicable Airplane Flight Manual Supplement. 8. Noise Compliance: FAR Part 36, Stage 3. 9. Supplemental Inspection: A Revision to the FAA- Approved Maintenance Inspection Program must be incorporated to include those inspections and reporting requirements as prescribed in the BAC II Report DC8-TM-305, dated May 1, 1991, in addition to those mandated by DC-8 AD 87-14-06. 10. Special Limitation: Whenever G. S. Rasmussen STC SA2497NM is installed in combination with this STC, the airspeed instruments specified by STC SA2497NM with a lower maximum airspeed limit of 315 KIAS must be installed. 11. Barry Controls Part Number 96013-1 Cone Belt is a serial numbered, controlled, life limited component. This cone bolt must be removed from service after no more than 9,400 flight cycles. -END- ## Every issue (1) - August 28, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c2/51/c2511139930431c7ff323eed8a772781ba5a08e5a44c4cfd6ebd5b5d24f91874) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.