# STC SA4892NM - 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: August 29, 1988 - 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/sha256/3b/9b/3b9ba35ab08c480c05900e7f7540c5aa4f2df9b7a9dc10a19fd610f0495e5e83 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B3099151597C630885256CC2000E3F69.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4892NM ## ADs that name it (1) - [AD 95-09-09](https://openairdocs.org/ad/95-09-09): Cone Bolt · Modification of the aircraft (Topeka Management STC SA4892NM or SA5455NM). Effective May 16, 1995. Named in the applicability ## Approved models (5) - McDonnell Douglas Corporation DC-8-61 ([TCDS 4A25](https://openairdocs.org/tcds/4A25)) - 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-8-61, -62, -62F, -63, -63F Description of Type Design Change: Modification of the aircraft by installation of Noise Reduction Nacelles in accordance with the Burbank Aeronautical Corp. II Master Drawing List (MDL) Document No. DC8-20000 Revision "B" dated 7/1/90, or later FAA approved Airplane Flight Manual Supplements are required as a part of this installation as shown on page 3. Limitations and Conditions: The approval of this change in type design applies to the above listed aircraft models only. This approval should not 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 : August 29, 1988 Date of issuance : July 12, 1990 Date reissued : March 5, 1998, August 28, 2002 Date amended : See Page 4 ( 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 SA4892NM (A) 08/29/88 (I) 07/12/90 (A) See Page 4 (R) 03/05/98, 08/28/02 Description of Type Design Change (Continued) Airplane Flight Manual Supplement and Airplane Models Revision Level/Date* DC-8-62 and -62F, Stage 3 operation DC8-TM-201, Revision N/C dated 07/12/90 DC-8-63 and -63F, Stage 3 operation DC-8-TM-202, Revision N/C dated 10/05/90 DC-8-63 and -63F, Stage 3 operation DC-8-TM-203, Revision N/C dated 11/20/90 DC-8-61, Stage 3 operation DC-8-TM-401, Revision N/C dated 02/0194 • or later FAA approved revisions 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 Type Certificate Data Sheet No. 4A25, Revision 31 or later revisions for the Douglas Model DC-8-61, -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-8-61, -62, -62F, -63, and -63F airplanes. Note: DC-8-61 airplanes only which have previously been or concurrently are modified in accordance with Page Avjet STC ST--266AT re-pylon/nacelle powerplant installation. 2. Engines: Only and Whitney turbofan JT 3D-3B and JT3D-7 engines are eligible for this modification. 3. Engine and Airplane See Type Certificate Date Sheet 4A25 and the applicable Airplane Flight Manual Limits: Supplement. Number SA4892NM (A) 08/29/88 (I) 07/12/90 (A) See Page 4 (R) 03/05/98, 08/28/02 Limitations and Conditions (Continued) 4. Engine Intermix: Intermix of JT3D-3B and JT3B-7 engines is permitted with operation of the aircraft in accordance to the applicable Airplane Flight Manual Supplement 5. Nacelle Intermix: No intermix of non-acoustically 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. 7. Maximum Speeds: See Type Certificate Data Sheet 4A25 and the applicable Airplane Flight Manual Supplement. 8. Nose Compliance: FAR Part 36, Stage 2 or Stage 3. For applicability see Airplane Flight Manual Supplement. 9. Supplemental A Revision to the FAA-Approved Maintenance Inspection Inspection: Program must be incorporated to include those inspections and reporting requirements as prescribed in the BAC II Report DC-8-TM-205, dated September 28, 1990, in addition to those mandated by DC-9-AD 87-14-06. 10. Should this STC conflict with the procedures or limitations associated with the FAA required installation of a Ground Proximity Warning System (GPWS), then this STC cannot be used until a modification to the GPWS installation is obtained. 11. Barry Controls Part Number 96013-1 Cone Bolt is a serial numbered, controlled, life limited component. This cone bolt must be removed from service no more than 9, 400 flight cycles. Date Amended: July 31, 1990, October 5, 1990, November 21, 1990, March 19, 1993, February 11, 1994, January 6, 1995. -END- ## Every issue (1) - August 28, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3b/9b/3b9ba35ab08c480c05900e7f7540c5aa4f2df9b7a9dc10a19fd610f0495e5e83) --- 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.