# STC SA2193CE - Type: Supplemental type certificate - Status: Current, Reissued - Holder: American Airlines Inc, United States - Description: Installation of Luminescent floor proximity emergency escape path marking system. - Applied: December 24, 1985 - Status date: October 14, 2008 - Product: Aircraft, Large Multi-Engine - Certification basis: Part 21, Part 25 - Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE) - Certificate PDF: https://openairdocs.org/files/sha256/d4/3e/d43e905cdc92b1969672f8df0028da302a285855fc12dfed20eeb77e9e2dd438 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD314AB1A47412FD8625754400824BB9.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2193CE ## ADs that name it (0) None. ## Approved models (2) - McDonnell Douglas Corporation DC-9-51 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) - McDonnell Douglas Corporation DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE)) ## 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: American Airlines, Inc. 3900 N. Mingo Road Tulsa, OK 74116 Part 4b* of the Civil Air Regulations. * For Certification Basis, see Type Certification Data Sheet A6WE. Original Product - Type Certificate Number : A6WE Make : McDonnell Douglas Corporation Model : DC-9-51, DC-9-82 Installation of Luminescent Systems Inc. Floor Proximity Emergency Escape Path Marking System in accordance with Trans World Airlines Engineering Report No. 1748, Revision C, dated December 3, 1993, or later FAA approved revisions. In addition to the certification basis shown above, compliance has been demonstrated with Federal Aviation Regulation, Part 25, FAR 25.812(e), Amendment 25-58. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane. This system has been demonstrated to comply with the applicable airworthiness requirements with inoperative light assemblies as noted in Trans World Airlines, Inc. letter of August 29, 1986, to FAA/WACO, Wichita, KS. 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. Date reissued : October 14, 2008 Date amended : January 27, 1994 Original signed by William Schinstock ( Signature) William Schinstock Associate ACO Manager, Airframe & Services Wichita Aircraft Certification Office (Title) Date of application : December 24, 1985 Date of issuance : September 19, 1986 ## Every issue (1) - October 14, 2008: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d4/3e/d43e905cdc92b1969672f8df0028da302a285855fc12dfed20eeb77e9e2dd438) --- 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.