# STC SA00405BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Ameriflight LLC, United States
- Description: De-modification of SFAR 41A compliance
- Applied: July 16, 2019
- Status date: December 22, 2025
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Data sheets: [TCDS A21SO](https://openairdocs.org/tcds/A21SO)
- Certificate PDF: https://openairdocs.org/files/sha256/d5/cd/d5cd48706ae407bf3e6d7343c4d4b779bb1e2e7fca884678b195f1d0d9885eaf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196597293720260401150656.0001
- DRS record last changed: April 1, 2026
- Page: https://openairdocs.org/stc/SA00405BO

## ADs that name it (0)

None.

## Approved models (1)

- Embraer S.A. EMB-110P1 ([TCDS A21SO](https://openairdocs.org/tcds/A21SO))

## 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.

SA00405BO Applicant Name: Ameriflight LLC Street Address: 1515 W. 20th St City, ST Zip: DFW Airport, TX 75261 Part 23 Federal Aviation Regulations A21SO Embraer S.A.

EMB-110P1 The installer must determine compatibility of this design with previously approved modifications.

07/16/2019 12/22/2025 10/18/2019 3 De-modification of SFAR 41A compliant Embraer Drawing Number 110-P1-9000 Revision 1 or of Embraer Service Bulletin 110-00-003, thus reducing the maximum takeoff weight from 13,007 lbs. back to 12,500 lbs. (refer to Type Certificate Data Sheet A21SO Notes 2, 3, 5 and 6).

SA00405BO 12/22/2025 3

SA00405BO 12/22/2025 Certification Basis:

Based on 14 CFR § 21.115 and § 21.101, and the FAA policy for design changes that are identified as not significant in FAA Order 8110.48, the certification basis for the Embraer EMB-110P1 aircraft is as follows:

a. The type certification basis for parts not changed or not affected by the change is shown on TCDS A21SO.

b. The modification certification basis for parts changed or affected by the change since the reference application date, July 16, 2019, is based upon part 23 as amended by Amendment 23-64 as follows:

Regulations at the latest amendment 23-0 through 23-64 None Regulations at an intermediate amendment None Regulations at the amendment level in TCDS A21SO

23.25, 23.49, 23.51, 23.1301, 23.1303, 23.1323, 23.1529, 23.1543, 23.1545, 23.1559,

23.1563, 23.1583(a)(c)(d), 23.1587(a)(3-8), 23.1589(b).

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## Every issue (2)

- December 22, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d5/cd/d5cd48706ae407bf3e6d7343c4d4b779bb1e2e7fca884678b195f1d0d9885eaf)
- October 18, 2019: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/ee/ce/eece9247a8341e4e217b813d953795073e8be0fc73f5d2a2cf1c4672131406bb)

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