FAA-listed STC holder

GATX/Airlog Company STCs

The Jun 30, 2026 FAA DRS snapshot lists 7 selected supplemental type certificates with status Current under GATX/Airlog Company. The records span 4 public aircraft directories and 3 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

Jul 8, 2008

latest recorded revision

Modification mix

Cargo and special mission4 Cabin and interiors2 Other aircraft modifications1

Aircraft represented

Boeing 747-200B Series341 STCs Boeing 747-100 Series293 STCs Boeing 747-200 Series77 STCs Boeing 74732 STCs

Recently revised records

Showing the 7 most recently revised records. Category directories provide the complete paginated discovery path.

7 displayed records.

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

GATX/Airlog Company supplemental type certificates, aircraft applicability, source status and dates
STC and modification	Aircraft / model / TC	Source status and dates	Holder and authority
SA2322SO Installation of a cargo door. Cargo and special mission View record	Boeing 747-100 SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Nov 24, 1986	FAA holder: GATX/Airlog Company FAA authority record
SA2323SO Installation of a class 'E' cargo compartment. Cargo and special mission View record	Boeing 747-100 SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Dec 24, 1986	FAA holder: GATX/Airlog Company FAA authority record
SA2605SO Installation of a passenger interior in all-cargo Boeing aircraft. Cabin and interiors View record	Boeing 747-100 SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Jan 11, 1989	FAA holder: GATX-Airlog Company FAA authority record
SA2980SO Intallation of upper deck galley. Cabin and interiors View record	Boeing 747-100 SeriesTC A20WE Boeing 747-200 SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Not listed	FAA holder: GATX/Airlog Company FAA authority record
SA4196NM-D Conversion of a passenger airplane with side cargo door to a freighter configuration. Cargo and special mission View record	Boeing 747-100 SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Jun 28, 1991	FAA holder: GATX/Airlog Company FAA authority record
SA4224NM-D Structural modification to stretched aft upper deck. (747-122). Other aircraft modifications View record	Boeing 747TC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Jan 24, 1994	FAA holder: GATX/Airlog Company FAA authority record
SA4227NM-D Conversion of a passenger airplane to a freighter configuration with a side-cargo door. Cargo and special mission View record	Boeing 747-200B SeriesTC A20WE	Current at cited snapshot Revised Jul 8, 2008 Application: Not listed	FAA holder: GATX/Airlog Company FAA authority record

Modification mix

Aircraft represented

Recently revised records

Installation of a cargo door.

Installation of a class 'E' cargo compartment.

Installation of a passenger interior in all-cargo Boeing aircraft.

Intallation of upper deck galley.

Conversion of a passenger airplane with side cargo door to a freighter configuration.

Structural modification to stretched aft upper deck. (747-122).

Conversion of a passenger airplane to a freighter configuration with a side-cargo door.