AC 90-114C

Advisory circular · Automatic Dependent Surveillance-Broadcast Operations

Approved
January 14, 2025
Last reviewed
January 16, 2025
Family
AC 90-114 · 7 versions
Revision
C
14 CFR parts
91
14 CFR sections
§ 91.225§ 91.227

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed November 21, 2025.

Show pages 70–81

Appendix G G-9

• Statement or documentation that the installation complies with guidance contained in AC 20-165, Airworthiness Approval of Automatic Dependent Surveillance - Broadcast OUT Systems, and AC 20-172, Airworthiness Approval for ADS-B In Systems and Applications.

• Name of the ADS-B In (CAS-A) software manufacturer and applicable software version(s).

• Intended airports of CAS-A operations.

G.10.2.2 Airplane Flight Manual (AFM) Compliance Documentation. Operators will submit documentation that demonstrates applicable aircraft have an ADS-B In system that meets the performance standards of TSO-C195b or later revision, or as otherwise approved by the Administrator, for CAS-A operations. This documentation may be omitted for aircraft already approved for CAVS.

G.10.2.3 Operation Manuals and Checklists. The certificate holder (CH)/operator/program manager (as applicable) should submit information

(e.g., Airplane Operations Manual (AOM) bulletin or equivalent) to the flightcrews describing ADS-B, to include:

• CAS-A system description;

• Normal procedures; and

• Non-normal or contingency procedures.

G.10.2.4 Maintenance Documentation. See Appendix C, ADS-B In Operations— Aircraft Qualification and Maintenance, for applicable maintenance guidance.

G.10.2.5 Revision of Minimum Equipment List (MEL). See Appendix C for guidance on the necessary MEL documents to be submitted for authorization of CAS-A.

G.10.2.6 Pilot Training. Submit applicable portions of proposed CAS-A-specific pilot training material and include a description of the methods used to conduct, evaluate, and manage the training. The CAS-A pilot training should include:

1. ADS-B Out/In system overview (if not previously addressed with another ADS-B application).

2. ADS-B CAS-A system operations.

3. CAS-A normal procedures:

• Understanding CAS-A communications and the associated phraseology.

• Response to CAS-A indications and alerts.

Appendix G G-10

• TTF aircraft FLT ID verification.

• Crew coordination during CAS-A.

4. CAS-A MEL procedures (as applicable).

5. CAS-A equipment limitations.

6. CDTI interface.

7. Contingency procedures.

G.10.2.7 Dispatch/Flight Follower Training. Submit applicable portions of proposed CAS-A-specific dispatch/flight planning training material, to include any appropriate updates to the dispatch operations manual, or equivalent, as well as a description of the methods used to conduct, evaluate, and manage training. The training material should include:

1. General understanding of ADS-B In operations.

2. Correct flight planning codes for CAS-A operations, including the ACID.

3. Dispatch of aircraft with the CAS-A system inoperative.

4. How flight planning codes are affected with ADS-B or CAS-A avionics inoperative.

5. Equipment needed to conduct CAS-A.

Advisory Circular Feedback Form If you find an error in this AC, have recommendations for improving it, or have suggestions for new items/subjects to be added, you may let us know by contacting the Flight Technologies and Procedures Division at 9-AWA-AFS400-Coord@faa.gov or the Flight Standards Directives Management Officer at 9-AWA-AFB-120-Directives@faa.gov.

Subject: AC 90-114C, Automatic Dependent Surveillance-Broadcast Operations Date: _____________________ Please check all appropriate line items:

An e rror ( proc edural or typographical) has been noted in paragraph ____________ on page _______.

Recommend paragraph _____________ on page __________ be changed as follows:

______________________________________________________________________ ______________________________________________________________________ In a future change to this AC, please cover the following subject:

(Briefly describe what you want added.)

______________________________________________________________________ ______________________________________________________________________ Other comments:

______________________________________________________________________ ______________________________________________________________________ I would like to discuss the above. Please contact me.

Submitted by: Date: ______________________