# STC SA2139SW-AC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: FAA Aviation System Standards AVN-300, United States
- Description: Installation of American Nucleonics Corp. VHF Interference Cancellation System.
- Applied: September 10, 1997
- Status date: June 29, 1998
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A24CE](https://openairdocs.org/tcds/A24CE)
- Certificate PDF: https://openairdocs.org/files/sha256/96/9d/969d4284eaaa853ba9310d2ee886f1eb3e2652da3233a52006f13717b619827f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BAFCD83744A2642685256CC200015A1F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2139SW-AC

## ADs that name it (0)

None.

## Approved models (1)

- Beechcraft Corporation 300 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))

## 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.

•fiititrd Starts of aratrira ©tpartmcnt ofCraaaportation— jfcdcral atriatfon administradon mpplemtntal Certificate SA2139SW-AC Avi at 1 on Sy s t em S t andards Flight Inspection Maintenance Division, AVN-3QO 6500 S. MacArthur Boulevard Oklahoma City, OK 73169,(^ i^.ii^^ 23 Federal Aviation A24CE : Beech Aircraft Corporation 300 Super King Air -.- Installation of American Nucleonics Corp. VHF Interference Cancellation System.

This alteration is to be made in accordance with FAA data list BE-300-15, dated January 28, 1998, or later approved revisions.

f^ . •• The following FAA Approved Flight Manual Supplement is required: Airplane Flight Manual Supplement for Beechcraft Super King Air BE-300 with VHF Interference Canceller, dated June 29, 1998, or later FAA approved revisions.

Compatibility of this alteration with previously approved alterations is to be determined by the installer, w: September 10, 1997 June 29, 1998 ./} U aitvf/i' tl '>/ Ms .^'MinitttjSfa/i- ( Signalutr DAS Coordinator (Tillt)

'[his ctTlilicati mat t" tiarajmed in affardancc ivil/> FAR 21.47.

f*Afot~ ei 10-1(10-eg)

INSTRUCTIONS. 'I he transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of [his Supplemental Type Certificate.

The FAA will reissue the rrrtifirate in ihe name of [he transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) f .\umbei and iTlttt) (City, Slatt, a from (Name of grantor) (Print or type) (Address of grantor) ( fjumbtr and tlrfft) (City, Slale, ami £IP cade) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 6S-S536**

## Every issue (1)

- June 29, 1998: Issued, Current. [certificate](https://openairdocs.org/files/sha256/96/9d/969d4284eaaa853ba9310d2ee886f1eb3e2652da3233a52006f13717b619827f)

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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.