STC SA04586CH

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA04586CH This certificate issued to: Electroair Acquisition Corp.

5097 Williams Lake Road Waterford MI, 48329 Part 23 of the Federal Aviation Regulations.

Make: See AML Original Product Type Certificate Number: See AML Model: See AML Description of Type Design Change:

Installation of the Electroair Back Up Battery Panel System Control, in accordance with Master Drawing List MDL EA-26000 Revision 03, dated 12/22/2022, or later FAA approved revisions.

1. Compatibility of this design change with previously approved modifications must be determined by the installer.

2. A copy of this Certificate and FAA Approved Model List (AML) No. SA04586CH, issued 12-23-2022, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

3. FAA approved Aircraft Flight Manual Supplement, AFMS EA-26000 Rev 00 approved December 21, 2022, or later FAA approved revision is required.

4. FAA accepted Instructions for Continued Airworthiness, ICA EA-26000 Revision 00 dated October 20, 2022, or later FAA accepted revision is required for this modification.

Limitations and Conditions: (continued) on Page 3

Date of Application: September 13, 2021 Date Reissued:

Date of Issuance: December 23, 2022 Date Amended:

Title: Anthony Flores Acting Manager, Propulsion & Program Management Section Chicago ACO Branch Compliance & Airworthiness Division Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 6110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 1 of 3

United States of America Department of Transportation AONINISTAR Supplemental Type Certificate Federal Aviation Administration Number: SA04586CH

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number.

To (Name and address of transferee) From (Name and address of grantor):

Signature of grantor.

Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 2 of 3

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA04586CH (Continuation Sheet) Date of Issuance: December 23, 2022 Limitations and Conditions: (Continued):

5. 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.

6. STC SA04400NY must be installed as a prerequisite to this modification.

7. STC SA02987CH or SA03286CH, must be installed as a prerequisite to this modification.

8. No other devices or loads may be connected to the IBBS when it is used as a back-up battery for an EIS.

Certification Basis:

In accordance with 14 CFR 21.101 and 21.115 and the procedures specified in FAA Order 8110.48 and FAA AC 21.101 the certification basis for this modification is as follows.

1. The type certification basis for areas not changed or not affected by this modification remain as specified in the applicable TCDS.

2. The certification basis for areas changed or affected by this modification since the date of application, September 13, 2021, was determined to be:

14 CFR Part 23 Amat 14 CFR Part 23 A mdt

23.603 23-23 23.1367 Initial

23.773 23-63 23.1529 23-26

23.1301 23-62 23.1541 23-21

23.1309 23-62 23.1559 23-62

23.1322 23-43 23.1581 23-50

23.1351 23-49 23.1583 23-62

23.1357 23-43 23.1585 23-62

23.1359 23-49 23.1589 23-50 -END- Possession on this Supplemental Type Certificate (STC) document by persons other than the STC holder does not constitute rights to the design data nor to alter an aircraft, aircraft engine, or propeller. The ST's supporting documentation (drawings, instructions, specifications, flight manual supplements, etc.) is the property of the STC holder. An STC holder who allows a person to alter an aircraft, aircraft engine, or propeller must provide that person with written permission acceptable to the FAA. (Ref. 14 CFR 21.120).

FAA Form 8110-2 (6/20) SUPERSEDES PREVIOUS EDITION Page 3 of 3