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Avionics

STC ST02451AT

FAA DRS lists ST02451AT as Current · Reissued, held by United States Navy Naval Air Systems Command Commercial Derivative Aircraft Program, for Boeing DC-9-32F. Recorded change: Installation of Colins FDS-255 EFIS, Collins WXR-700X predictive windshear weather radar and AlliedSignal enhanced ground proximity warning system. Snapshot dated June 30, 2026.

FAA-listed holder
United States Navy Naval Air Systems Command Commercial Derivative Aircraft Program
Aircraft configurations
1
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

Installation of Colins FDS-255 EFIS, Collins WXR-700X predictive windshear weather radar and AlliedSignal enhanced ground proximity warning system.

ST02451AT identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Boeing DC-9-32F. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Boeing DC-9-32FA6WE

Buyer checks

Confirm before sourcing

  1. 01Does it cover the exact Boeing DC-9-32F model, serial range, and configuration?
  2. 02Which part numbers, software versions, interfaces, and manual changes apply?
  3. 03Who can legally supply the design data, kit, instructions, and ICAs?
  4. 04What parts, labor, conformity, and return-to-service work are excluded?

Related avionics STCs

SA3036WE-DAvionics

Modifies aircraft to install dual Delco C-IV Inertial Navigation Systems (INS) for attitude and direction reference, navigation, and auto-pilot steering. Also adds a Sperry DG-207 Directional Gyro in the Aux position and Azimuth switching capability. The VG-DG racks are replaced by the INS Navigation units in the above configuration, but the modification permits replacing the INS Navigation units with VG-DG racks to provide triple VG-DG for attitude and direction reference only. The installation is in accordance with DAS-1-WE Approved United Air Lines Drawing List No. COA 3-2023, dated March 22, 1977, or later FAA approved revisions. United Air Lines FAA Approved Flight Manual Supplement to McDonnell Douglas Flight Manual Document Number MDC-J1010 dated February 17, 1977, or later FAA approved revision is required as part of this installation.

FAA holder: United Airlines Inc

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SA3038WE-DAvionics

Installation of dual Collins FD-109 Flight Director System in accordance with master list of drawings and related documents for United Air Lines Change Order Authorization No. 2-4950 dated April 27, 1977 or later FAA approved revision. Each system consists of one each of the following components. Roll computer P/N 522-4428-008, Pitch Computer P/N 522-4892-008, Instrument Amplifier P/N 522-3874-005, Control Panel P/N 522-4431-001, Horizon Flight Director Indicator P/N 522-4430-002, Course Deviation\nIndicator P/N 522-2782-004, Pitch Mode Annunciator P/N R2901-159 and Roll Mode Annunciator P/N R2901-160. The Boeing DC-8-61 FAA Approved Aircraft Flight Manual DAC-33161 has been reviewed and no revision is required as a result of this change.

FAA holder: United Airlines Inc

View record