STC ST09889AC

ST09889AC L2 Aviation 82 Comair Blvd.

Erlanger, KY 41018 Part 25 the Title 14, Code of Federal Regulations A1NM The Boeing Company 767-300F Series The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

(See Continuation Sheet 3 of 5) 09/14/2017 11/08/2024 09/14/2026 05/29/2018 for Jason S. Deutschman Acting Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 5 Installation of Rockwell Collins LDS-2100 large display systems (LDS) in accordance with Master Drawing List 3422-B111-MDL, Revision D, dated June 1, 2018, or later FAA approved revision. Airplane Flight Manual Supplement 3422-B111-AFM, Revision A, dated May 17, 2018, is required.

ST09889AC 09/14/2026 5

ST09889AC 09/14/2026 Limitations and Conditions (Continued):

Engine Indication and Crew Alerting System (EICAS) computer Operational Program Software (OPS) part number 317B-COL-DE0-08 is required to be installed in the Left and Right EICAS computers;

Intermix of General Electric CF6-80A engines with CF6-80A2 engines is not authorized by this change in type design.

Required Boeing Service Bulletins (Not supplied with this STC)

Boeing Service Bulletin 767-31-0378. This Service Bulletin contains the following required software:

• LDS-2100 Option Select Software (OSS)

• Flight Management Computer (FMC) Operational Program Configuration (OPC)

• Engine Indication and Crew Alerting System (EICAS) OPC

Functional Limitation:

LDS does not support BARO or RADIO "MINIMUMS" callouts that could be enabled through the Enhanced Ground Proximity Warning System. These callouts must not be enabled.

Certification Basis:

Based on 14 CFR §§21.115 and 21.101, and FAA policy for significant changes in FAA Order 8110.48, the certification basis for the Boeing 767-300F series is as follows:

ST09889AC 09/14/2026 Certification Basis (Continued):

a. The type certification basis for Model 767 series airplanes is shown on TCDS A1NM parts not changed or not affected by the change.

b. The certification basis for parts changed or affected by the change since the reference date of application, September 14, 2017, is based upon part 25 as amended by Amendment 25-144 and 14 CFR part 26.

Based on 14 CFR §21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the certification basis for this modification was determined to be:

Regulations at the latest amendment 25-0 through 25-144

25.29(a); 25.305(a); 25.307; 25.561(c); 25.603; 25.605; 25.611(a); 25.613(a),(b),(c); 25.625(a)

(b)(c); 25.773(a)(1-2); 25.777(a),(b),(c); 25.789(a); 25.831; 25.853(a); 25.863; 25.899; 25.981

(a)(3),(d); 25.1303(a),(b),(c); 25.1305(a)(3-6),(c)(1-3),(d)(1)(3); 25.1307(c),(e); 25.1310(a)(1)

(2),(3)(i); 25.1316; 25.1317(a),(b),(c); 25.1321; 25.1322; 25.1326(a); 25.1329(i),(j),(k);

25.1331; 25.1333; 25.1337(b),(d); 25.1351(a); 25.1353(a),(c); 25.1355(c); 25.1357(a),(c),(e);

25.1360; 25.1381(a),(b); 25.1431; 25.1438(b); 25.1459(c); 25.1501; 25.1529; 25.1535 App K25.1.1, K25.1.2; 25.1543(b); 25.1549(a),(b),(c); 25.1551; 25.1581(a)(2); 25.1583(c)(1);

25.1585(a),(b); Appendix K25.1

Regulations at an intermediate amendment Amendment Regulation Amendment Regulation 25-41 25.1309 25-109 25.1323(a),(f),(g) 25-72 25.307(a); 25.869(a)(4) 25.129 25.143(b) 25-72 25.1521(a),(c)

ST09889AC 09/14/2026 Certification Basis (Continued):

Regulations at the amendment level in TCDS A1NM

25.301(a); 25.303; 25.581(b); 25.601; 25.609; 25.771(a),(c),(e); 25.1301(a),(b)(c),(d); 25.1307

(a),(b); 25.1323(a),(b); 25.1327(a),(b); 25.1523(a),(b); 25.1541; 15.1545; 25.1547(b),(d);

25.1555(a); 25.1563

Equivalent Level of Safety finding has been made for the following regulation(s): 14 CFR

25.1549(b) and (c) Powerplant and auxiliary power unit instruments (documented in ELOS Memo ST02613AC-T-P-1).

14 CFR Part 26 regulations Based on 14 CFR §21.101(g), applicable provisions of 14 CFR part 26 are included in the certification basis. For any future 14 CFR part 26 amendments, the holder of this STC must demonstrate compliance with the applicable sections. As of the issuance date of this STC, compliance has been found for the following regulations 14 CFR §26.11 - amendment 26-0;

26.47 and 26.49 - amendment 26-1

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