# STC ST04542AT

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Gulfstream Aerospace Corporation, United States
- Description: Honeywell KRA-405B Radio Altimeter Bandpass Filter Installation (FAA AD 2023-10-02 Terminating Action)
- Applied: September 12, 2023
- Status date: November 21, 2024
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A12EA](https://openairdocs.org/tcds/A12EA)
- Certificate PDF: https://openairdocs.org/files/sha256/8f/75/8f753fe1a99ddfb7c1917de2517840291f6bba48ebf35d0dd1114582a298737b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID123759731920241213200101.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST04542AT

## ADs that name it (0)

None.

## Approved models (2)

- Gulfstream Aerospace Corporation GIV-X ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))
- Gulfstream Aerospace Corporation GV-SP ([TCDS A12EA](https://openairdocs.org/tcds/A12EA))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- November 21, 2024: Issued, Current. [certificate](https://openairdocs.org/files/sha256/8f/75/8f753fe1a99ddfb7c1917de2517840291f6bba48ebf35d0dd1114582a298737b)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.