FAA-listed STC holder

Aircraft Modification Design Services STCs

The Jun 30, 2026 FAA DRS snapshot lists 10 selected supplemental type certificates with status Current under Aircraft Modification Design Services. The records span 5 public aircraft directories and 2 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.

listed Current at snapshot

aircraft directories

modification categories

Dec 1, 2009

latest recorded revision

Modification mix

Fuel systems7 Other aircraft modifications3

Aircraft represented

McDonnell Douglas DC-8-6262 STCs McDonnell Douglas DC-8-7147 STCs McDonnell Douglas DC-8-62F39 STCs McDonnell Douglas DC-8-5131 STCs McDonnell Douglas DC-8F-5419 STCs

Recently revised records

Showing the 10 most recently revised records. Category directories provide the complete paginated discovery path.

10 displayed records.

Search every indexed record for this holder. The table below contains the recently revised records shown on this page.

Aircraft Modification Design Services supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
ST00543AT Increase in aircraft operating weights(Maximum takeoff weight - 315,000 lbs., maximum landing weight - 217,000 lbs., maximum zero fuel weight - 203,000 lbs.) (DC-8-51 s/n 45855 only). Fuel systems View record	McDonnell Douglas DC-8-51TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Mar 17, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST00558AT Increase in aircraft operating weights (Maximum takeoff weight - 315,000 lbs., maximum landing weight - 217,000 lbs., maximum zero fuel weight - 203,000 lbs.) (DC-8-51 s/n 45410 only). Fuel systems View record	McDonnell Douglas DC-8-51TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Mar 17, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST00617AT Increase in aircraft operating weights(maximum takeoff weight - 315,000 lbs., maximum landing weight - 217,000 lbs., maximum zero fuel weight - 203,000 lbs. (DC-8-51 s/n 45935 only). Fuel systems View record	McDonnell Douglas DC-8-51TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Dec 14, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST00794AT Increase in aircraft operating weights(max takeoff weight - 328,000 lbs., max landing weight - 258,000 lbs., max zero fuel weiht - 245,000 lbs.) (DC-8-71 SN 46099 only). Fuel systems View record	McDonnell Douglas DC-8-71TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Dec 1, 2009	FAA holder: Aircraft Modification Design Services FAA authority record
ST00845AT Increase in aircraft operating weights. Other aircraft modifications View record	McDonnell Douglas DC-8-62TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Mar 31, 1995	FAA holder: Aircraft Modification Design Services FAA authority record
ST00850AT Increase in aircraft operating weights as substantiated by the design data. (DC-8F-54 S/Ns 45802, 45886, 46012 only)). Other aircraft modifications View record	McDonnell Douglas DC-8F-54TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Dec 6, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST00924AT Increase in aircraft operating weights(maximum landing weight - 240,000 lbs., maximum zero fuel weight - 224,000 lbs.) (DC-8F-54 S/N 45637). Fuel systems View record	McDonnell Douglas DC-8F-54TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Sep 21, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST01170AT ONE ONLY STC, SN 45685: Increase in aircraft operating weights. Other aircraft modifications View record	McDonnell Douglas DC-8-51TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Mar 17, 1994	FAA holder: Aircraft Modification Design Services FAA authority record
ST01363AT Increase in aircraft operating weights (max landing weight - 250,000 lbs., max takeoff weight - 342,000 lbs., Max zero fuel wieth - 230,000 lbs.) (DC-8-62 s/n 45925 only). Fuel systems View record	McDonnell Douglas DC-8-62TC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Sep 18, 1995	FAA holder: Aircraft Modification Design Services FAA authority record
ST02032AT Increase in aircraft operating weights (Maximum landing weight to 265000 lbs and maximum zero fuel weight to 241500 lbs). Fuel systems View record	McDonnell Douglas DC-8-62FTC 4A25	Current at cited snapshot Revised Dec 1, 2009 Application: Sep 18, 1995	FAA holder: Aircraft Modification Design Services FAA authority record