# STC SA12520IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Lanitz-Prena Folien Factory GmbH, Germany
- Description: Installation and maintenace of the Lanitz-Prena Folien Factory GmbH ORATEX covering and coating system installed without stitching
- Applied: May 13, 2026
- Product: Aircraft, Small Airplane
- Certification basis: Part 23
- Foreign approvals: EASA STC 10071055 Rev 4 dated 02/09/2026
- Data sheets: [TCDS 2A8](https://openairdocs.org/tcds/2A8), [TCDS A22NM](https://openairdocs.org/tcds/A22NM), [TCDS 3A23](https://openairdocs.org/tcds/3A23)
- Certificate PDF: https://openairdocs.org/files/sha256/be/04/be0431e23301a2c7e3ac8de112766b7134d9abacf5ff37a4fd83666c6afa0c44
- Approved model list and other attachments: [SA12520IB_AML.pdf](https://openairdocs.org/files/sha256/9e/0a/9e0a70f23a58dea8d16039e9b2f56364e0c70ab40037bdc15a747ed64897d4f5)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101208553620261009135946.0001
- DRS record last changed: October 9, 2026
- Page: https://openairdocs.org/stc/SA12520IB

## ADs that name it (0)

None.

## Approved models (31)

- Aviat Aircraft Inc. A-1 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Aviat Aircraft Inc. A-1A ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Aviat Aircraft Inc. A-1B ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Aviat Aircraft Inc. A-1C-180 ([TCDS A22NM](https://openairdocs.org/tcds/A22NM))
- Lavia Argentina S.A. (Laviasa) PA-25 ([TCDS 2A8](https://openairdocs.org/tcds/2A8))
- Lavia Argentina S.A. (Laviasa) PA-25-235 ([TCDS 2A8](https://openairdocs.org/tcds/2A8))
- Lavia Argentina S.A. (Laviasa) PA-25-260 ([TCDS 2A8](https://openairdocs.org/tcds/2A8))
- Maule Aerospace Technology Inc. Bee Dee M-4 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4-180V ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4-210 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4-220C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4-220S ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-4C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-5-180C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-5-210C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-5-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-6-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-7-235B ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. M-7-235C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MT-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MX-7-180 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MX-7-180A ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MX-7-180B ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MX-7-180C ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MX-7-235 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MXT-7-160 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MXT-7-180 ([TCDS 3A23](https://openairdocs.org/tcds/3A23))
- Maule Aerospace Technology Inc. MXT-7-180A ([TCDS 3A23](https://openairdocs.org/tcds/3A23))

## 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.

IMPORT SA12520IB Lanitz-Prena Folien Factory GmbH Am Ritterschloesschen 20 04179 Leipzig Germany Part 23 Title 14 Code of Federal Regulations *See attached FAA Approved Model List (AML) SA12520IB *See attached FAA AML SA12520IB *See attached FAA AML SA12520IB

1. This Supplemental Type Certificate is applicable to all serial numbers for the Make-Models shown on the attached FAA AML No. SA12520IB.

(See Continuation Sheet 3) 05/13/2026 10/07/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 4

1. Installation and maintenace of the Lanitz-Prena Folien Factory GmbH ORATEX covering and coating system installed without stitching, must be done in accordance with the Lanitz-Prena Folien Factory GmbH Master Document Lists (MDLs), and the Application Manual & Airplane Maintenance Manual Supplements (AMMSs) shown on the attached Federal Aviation Administration (FAA) Approved Model List (AML) No. SA12520IB, or later European Union Aviation Safety Agency (EASA) accepted revisions of these documents.

2. The installer must determine whether this design change is compatible with previously approved modifications.

3. If the holder agrees to permit another person to use the certificate to alter the product, the holder shall give the other person written evidence of that permission.

4. Maintenance must be done in accordance with the Airworthiness Limitations sections of the Application Manual & Airplane Maintenance Manual Supplements (AMMSs) shown on the attached FAA AML No. SA12520IB.

Certification Basis:

Based on Title 14 Code of Federal Regulations (CFR) 21.115 and 21.101, and the Federal Aviation Administration (FAA) policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for the modification on the applicable aircraft models is as shown on Type Certification Data Sheets (TCDSs) 2A8, 3A23, and A22NM plus the following regulations:

Regulation Amendment § 23.1 Amd 23-34 § 23.3 Amd 23-62 § 23.21 Initial Amendment § 23.29 Amd 23-21 § 23.45 Amd 23-62 § 23.63 Amd 23-62 § 23.143 Amd 23-50 § 23.201 Amd 23-62 § 23.203 Amd 23-62

Certification Basis (continued):

Regulation Amendment § 23.207 Amd 23-50 § 23.251 Amd 23-62 § 23.301 Amd 23-48 § 23.303 Initial Amendment § 23.305 Amd 23-45 § 23.307 Initial Amendment § 23.333 Amd 23-34 § 23.575 Amd 23-48 § 23.601 Initial Amendment § 23.603 Amd 23-23 § 23.605 Amd 23-23 § 23.609 Initial Amendment § 23.611 Amd 23-48 § 23.613 Amd 23-45 § 23.629 Amd 23-62 § 23.1193 Amd 23-62 § 23.1501 Amd 23-21 § 23.1529 Amd 23-26 § 23.1581 Amd 23-50

----------END---------- 4 4 Add Page

### SA12520IB_AML.pdf

FAA APPROVED MODEL LIST (AML) STC No. SA12520IB LANITS-PRENA FOLIEN FACTORY GmbH FOR

APPLICATION OF THE ORATEX COVERING AND COATING SYSTEM WITHOUT STITCHING 1 | Page

Date Issued: October 7, 2026 Date Reissued: N/A

**ITEM MAKE MODEL SERIES CERT BASIS FAA TCDS**

**REQUIRED DOCUMENTATION**

**INITIAL**

**APPROVAL DATE**

**AMENDED**

**DATE MASTER DOCUMENT LIST**

**APPLICATION MANUAL &**

**AIRPLANE MAINTENANCE**

MANUAL SUPPLEMENT (AMM) 1 Lavia Argentina S.A.

(LAVIASA) PA-25, PA-25-235, PA25-260 See STC SA12520IB, Certification Basis section 2A8 Lanitz-Prena Folien Factory GmbH Master Document List, doc # ADxC-51-402-MDL, Issue A, dated September 17, 2025

Lanitz-Prena Folien Factory GmbH Master Document List, doc # ADxC-51-910-MDL(-911), Issue A, dated June 17, 2025

Lanitz-Prena Folien Factory GmbH Master Document List, doc # ADxC-51-924-MDL, Issue N/A, dated August 4, 2026 Lanitz-Prena Folien Factory GmbH ORATEX Application Manual & Airplane Maintenance Manual Supplement, doc # ADxC-51-001-AMM, Edition 9.5, dated September 17, 2025

Lanitz-Prena Folien Factory GmbH ORATEX System Rib Cap Strip Installation Manual & Airplane Maintenance Manual Supplement, doc # ADxC-51-401-AMM, Edition 3.2, dated August 4, 2026

Lanitz-Prena Folien Factory GmbH ORATEX System Rib Cap Strip Installation for Metal Structure Aircraft, Annex B of Airplane Maintenance Manual Supplement, doc # ADxC-51- 401-AMM, Supplement Annex B, Edition 2.2, dated August 4, 2026

Lanitz-Prena Folien Factory GmbH ORATEX Wet Application Manual & Airplane Maintenance Manual Supplement, doc # ADxC-51-910- AMM, Edition 1.2, dated August 4, 2026 October 7, 2026 N/A 2 Aviat Aircraft Inc. A-1, A-1A, A-1B, A-1C-180 See STC SA12520IB, Certification Basis section A22NM 3 Maule Aerospace Technology, Inc.

Bee Dee M-4, M-4, M-4C, M-4S, M-4T, M-4-180V, M-4-210, M-4-210C, M-4-220C, M-4-220S, M-5-180C, M-5-210C, M-5-235C, M-6-235, M-7-235, M-7-235B, M-7-235C, MT-7-235, MX-7-180, MX-7-180A, MX-7-180B, MX-7-180C, MX-7-235, MXT-7-160, MXT-7-180, MXT-7-180A See STC SA12520IB, Certification Basis section 3A23

FAA APPROVED MODEL LIST (AML) STC No. SA12520IB LANITS-PRENA FOLIEN FACTORY GmbH FOR

APPLICATION OF THE ORATEX COVERING AND COATING SYSTEM WITHOUT STITCHING 2 | Page

FAA Approved: ________________________________ John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service

## Every issue (1)

- Undated: Issued, Current. [certificate](https://openairdocs.org/files/sha256/be/04/be0431e23301a2c7e3ac8de112766b7134d9abacf5ff37a4fd83666c6afa0c44), [SA12520IB_AML.pdf](https://openairdocs.org/files/sha256/9e/0a/9e0a70f23a58dea8d16039e9b2f56364e0c70ab40037bdc15a747ed64897d4f5)

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