# STC SA00681WI-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Rockwell Collins Inc, United States
- Description: Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation
- Applied: May 22, 1998
- Status date: January 25, 2011
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 23
- Data sheets: [TCDS A17EU](https://openairdocs.org/tcds/A17EU), [TCDS A16EU](https://openairdocs.org/tcds/A16EU), [TCDS 3A20](https://openairdocs.org/tcds/3A20), [TCDS A14CE](https://openairdocs.org/tcds/A14CE), [TCDS A24CE](https://openairdocs.org/tcds/A24CE), [TCDS A31CE](https://openairdocs.org/tcds/A31CE), [TCDS A32EU](https://openairdocs.org/tcds/A32EU), [TCDS A5SW](https://openairdocs.org/tcds/A5SW), [TCDS A8SW](https://openairdocs.org/tcds/A8SW), [TCDS A10SW](https://openairdocs.org/tcds/A10SW), [TCDS A2PC](https://openairdocs.org/tcds/A2PC), [TCDS A7PC](https://openairdocs.org/tcds/A7PC), [TCDS 7A15](https://openairdocs.org/tcds/7A15), [TCDS A50EU](https://openairdocs.org/tcds/A50EU), [TCDS A20SO](https://openairdocs.org/tcds/A20SO), [TCDS A23SO](https://openairdocs.org/tcds/A23SO), [TCDS A8EA](https://openairdocs.org/tcds/A8EA), [TCDS A15EU](https://openairdocs.org/tcds/A15EU), [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/61/6d/616d23ee36d785424eb32176cb37551f192f0221d7837b6b492595dfa555fb4f
- Approved model list and other attachments: [SA00681WI-D_ AML.pdf](https://openairdocs.org/files/sha256/13/ea/13ea86ad640021016e88d49b802123d21353ae682d92c3b9d1fcee37b81e9267)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/574E2CD5E0E365288625784C007D21EB.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00681WI-D

## ADs that name it (0)

None.

## Approved models (100, first 50)

- B-N Group Ltd. BN-2 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-2 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-20 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-21 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-26 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-27 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-3 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-6 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-8 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2A-9 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-20 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-21 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-26 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- B-N Group Ltd. BN-2B-27 ([TCDS A17EU](https://openairdocs.org/tcds/A17EU))
- Dornier Luftfahrt GmbH Dornier 228-100 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier Luftfahrt GmbH Dornier 228-101 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier Luftfahrt GmbH Dornier 228-200 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier Luftfahrt GmbH Dornier 228-201 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier Luftfahrt GmbH Dornier 228-202 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Dornier Luftfahrt GmbH Dornier 228-212 ([TCDS A16EU](https://openairdocs.org/tcds/A16EU))
- Hawker Beechcraft Corporation 100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Hawker Beechcraft Corporation 200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation 200C ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation 200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation 200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Hawker Beechcraft Corporation A100A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Hawker Beechcraft Corporation A200 (C-12A) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200 (C-12C) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200C (UC-12B) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (C-12D) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (C-12F) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (FWC-12D) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (RC-12D) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (RC-12G) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation A200CT (RC-12H) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE))
- Hawker Beechcraft Corporation B200 ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200C (C-12F) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200C (C-12R) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200C (UC-12F) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200C (UC-12M) ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200CT ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation B200T ([TCDS A24CE](https://openairdocs.org/tcds/A24CE))
- Hawker Beechcraft Corporation C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20))
- Hawker Beechcraft Corporation F90 ([TCDS A31CE](https://openairdocs.org/tcds/A31CE))
- Israel Aircraft Industries Ltd. Arava 101 ([TCDS A32EU](https://openairdocs.org/tcds/A32EU))
- Israel Aircraft Industries Ltd. Arava 101B ([TCDS A32EU](https://openairdocs.org/tcds/A32EU))
- M7 Aerospace LP SA226-AT ([TCDS A5SW](https://openairdocs.org/tcds/A5SW))

All 100: https://openairdocs.org/stc/SA00681WI-D/models.md

## 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.

Part * of the* Regulations.

Original Product--Type Certificate Number : * *See attached FAA Approved Model List (AML) Make : * No. SA00681WI-D for list of approved airplane models Model : * and applicable airworthiness regulations.

Description of Type Design Change: Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. SA00681WI-D, Revision -, or later FAA approved revisions.

Limitations and Conditions: (1) Approval of this change in type design applies to the above model aircraft only. (2) Compatibility of this design change with previously approved modifications must be determined by the installer. (3) A copy of this Certificate and FAA Approved Model List (AML) No. SA00681WI-D issued November 17, 1998, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft. (4) A VHF-22C unit can be installed to replace an existing VHF-20/VHF-20A/VHF-20B unit. A VHF-22D unit can only be installed to replace an existing VHF-20B unit. (5) If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Rockwell Collins, Inc.

400 Collins Road NE, MS 164-100 Cedar Rapids, IA 52498 Date of application : May 22, 1998

Date of issuance : November 17, 1998

Date reissued : May 14, 1999

( Signature) Dale R. Koonts

Manager, DAS-3CE

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

**TABLE 1**

Collins Drawing Index

Configuration Airplane Flight Manual Supplement (AFMS)

### SA00681WI-D_ AML.pdf

Page 1 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

**8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT**

Issue Date: 11/17 /98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

1 Nomad TC Pty Ltd.

N22B A7PC TCDS A7PC Revision 5 May 28, 2010 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

2 Hawker Beechcraft Corporatio n F90 A31CE

TCDS A31CE Revision 8 March 26, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

3 Viking Air Limited (Twin Otter) DHC-6-100 DHC-6-200 DHC-6-300 A9EA TCDS A9EA Revision 13 October 3, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

4 Dornier Luftfahrt GMBH Dornier 228-100 Dornier 228-101 Dornier 228-200 Dornier 228-201 Dornier 228-202 Dornier 228-212 A16EU TCDS A16EU Revision 9 March 2, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 2 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

**8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT**

Issue Date: 11 /17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

5 M7 Aerospace LP SA226-T SA226-AT SA226-T(B) SA227-AT A5SW TCDS A5SW Revision 27 March 19, 2010

992-4315-001 Rev D, 12/15/10 N/A 01/25/11

6 M7 Aerospace LP SA226TC SA227-AC A8SW TCDS A8SW Revision 22 August 24, 2004 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

7 Israel Aircraft Industries Limited ARAVA 101 ARAVA 101B A32EU TCDS A32EU Revision 3 July 26, 1988 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

8 Mitsubishi Heavy Industries Ltd.

MU-2B-26 MU-2B-36 A2PC TCDS A2PC Revision 18 October 2, 2009 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 3 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

**8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT**

Issue Date: 11 /17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

9 Mitsubishi Heavy Industries Ltd.

MU-2B-25 MU-2B-35 MU-2B-26 MU-2B-36 MU-2B-26A, MU-2B-40 MU-2B-36A MU-2B-60 A10SW TCDS A10SW Revision 17 October 9, 2009 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

10 Pilatus Aircraft Ltd.

PC-6, PC-6H1, PC-6-H2 PC-6/350 PC-6/350-H1 PC-6/350-H2 PC-6/A, PC-6/A-H1 PC-6/A-H2 PC-6/B-H2 PC-6/B1-H2 PC-6/B2-H2 PC-6/B2-H4 PC-6/C-H2 7A15 TCDS 7A15 Revision 13 May 1, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 4 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

**8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT**

Issue Date: 11 /17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

11 Pilatus Aircraft Ltd.

PC-7 A50EU TCDS A50EU Revision 2 July 1, 1996 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

12 B-N Group Ltd.

BN-2, BN-2A BN-2A-6 BN-2A-8 BN-2A-2 BN-2A-9 BN-2A-3 BN-2A-20 BN-2A-21 BN-2A-26 BN-2A-27 BN-2B-20 BN-2B-21 BN-2B-26 BN-2B-27 A17EU TCDS A17EU Revision 17 March 2, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 5 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT Issue Date: 11 /17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

13 Piper Aircraft, Inc.

PA-31-300 PA-31-325 PA-31-350 A20SO TCDS A20SO Revision 12 September 23, 2009 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

14 Piper Aircraft, Inc.

PA-31P PA-31T PA-31T2 A8EA TCDS A8EA Revision 23 August 7, 2006 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

15 Piper Aircraft, Inc.

PA-42 PA-42-720 PA-42-1000 A23SO TCDS A23SO Revision 20 June 24, 2010 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

16 Hawker Beechcraft Corporation C90 3A20 TCDS 3A20 Revision 69 July 8, 2009 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

17 Hawker Beechcraft Corporation 100 A100 (U-21F) A100A B100 A14CE TCDS A14CE Revision 37 March 26, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 6 of 7

**FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D**

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT Issue Date: 11/17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

18 Hawker Beechcraft Corporation 200 A200C (UC-12B) 200C, B200 B200C (C-12F) or (UC-12F) or (UC-12M) or (C-12R) A200 (C-12A) or (C-12C) 200T, 200CT A200CT (C-12D) or (FWC-12D) or (RC-12D) or (C-12F) or (RC-12G) or (RC-12H) B200T, B200CT A24CE TCDS A24CE Revision 100 May 17, 2010 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

Page 7 of 7 FAA APPROVED MODEL LIST (AML) NO. SA00681WI-D

**ROCKWELL COLLINS, INC.**

FOR MODIFICATION OF COLLINS VHF-20/VHF-20A/VHF-20B VHF COMM RECEIVER TRANSMITTER WITH CTL-20 CONTROL PRO LINE I SYSTEM INSTALLATION TO A COLLINS VHF-22C/VHF-22D VHF COMM RECEIVER TRANSMITTER WITH CTL-22C CONTROL

**8.33 KHZ PRO LINE II SYSTEM INSTALLATION IN PART 23 AIRCRAFT**

Issue Date: 11/17/98

**ORIGINAL**

**CERTIFICATION**

**INSTALLATION**

**INSTRUCTIONS**

**ITEM**

**AIRCRAFT MAKE**

**AIRCRAFT MODEL TYPE**

**CERTIFICATE NUMBER BASIS FOR**

**ALTERATION**

**DRAWING INDEX NO.**

**REVISION NO.**

AND DATE [1] AFM

**SUPPLEMENT**

**NUMBER/DATE AML**

**AMENDMENT DATE**

19 Short Brothers & Harland Ltd SC-7 Series 2 (Skyvan) SC-7 Series 3 (Skyvan) A15EU TCDS A15EU Revision 10 March 1, 2007 992-4315-001 Rev D, 12/15/10 N/A 01/25/11

20 Twin Commander Aircraft LLC

690A 690C 690D 695 695A

2A4 TCDS 2A4 Revision 47 November 12, 2009 992-4315-001 Rev D, 12/15/10 N/A 01/25/11 [1] Or later FAA approved revision

FAA Approved: __________________________________ STC ODA Administrator, ODA-500864-CE

Amended: May 14, 1999, January 25, 2011

## Every issue (2)

- January 25, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/61/6d/616d23ee36d785424eb32176cb37551f192f0221d7837b6b492595dfa555fb4f), [SA00681WI-D_ AML.pdf](https://openairdocs.org/files/sha256/13/ea/13ea86ad640021016e88d49b802123d21353ae682d92c3b9d1fcee37b81e9267)
- May 14, 1999: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/61/6d/616d23ee36d785424eb32176cb37551f192f0221d7837b6b492595dfa555fb4f), [SA00681WI-Daml_Rockwell Collins.pdf](https://openairdocs.org/files/sha256/c3/2a/c32ac0eeea8c6c7a7f877b4eee9c19bdf52699f1200d0677ffd11485e69ad7b7)

---
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