# STC SA2918NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: McFarlane Aviation LLC, United States
- Description: Attach a casting to the landing gear fuselage attach angles just above main landing gear legs
- Applied: February 20, 1985
- Status date: November 3, 2025
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 5A5](https://openairdocs.org/tcds/5A5), [TCDS 3A14](https://openairdocs.org/tcds/3A14)
- Certificate PDF: https://openairdocs.org/files/sha256/f2/6b/f26bc6a0205efeea78a5287b05fa55dab4c5e620ba297a1d1234311a6c224660
- Approved model list and other attachments: [SA2918NM_AML.pdf](https://openairdocs.org/files/sha256/0a/75/0a751aad68cc80323dd211fd345bf7616ded258a3980c24455c6d2a88bfcbf69)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179298385520260127153248.0001
- DRS record last changed: January 27, 2026
- Page: https://openairdocs.org/stc/SA2918NM

## ADs that name it (0)

None.

## Approved models (28)

- Regal Air Inc. 305A ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305B ([TCDS 3A14](https://openairdocs.org/tcds/3A14))
- Regal Air Inc. 305C ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305D ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Regal Air Inc. 305E ([TCDS 3A14](https://openairdocs.org/tcds/3A14))
- Regal Air Inc. 305F ([TCDS 5A5](https://openairdocs.org/tcds/5A5))
- Textron Aviation Inc. 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Textron Aviation Inc. 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Textron Aviation Inc. 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799))
- Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Textron Aviation Inc. 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))
- Textron Aviation Inc. A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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.

SA2918NM McFarlane Aviation, LLC 684 East 1700 Road, Bldg. 8 Baldwin City, KS 66006 Part * * * *See attached Approved Model List (AML) Number SA2918NM for list of approved airplane models and applicable airworthiness regulations.

Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate, SA2918NM, and Master Eligibility List, dated April 5, 1985, or later FAA approved revision, must be maintained as part of the permanent records for the modified aircraft.

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

02/20/1985 11/03/2025 04/05/1985 for Manager, West Certification Branch 2 Attach a casting to the landing gear fuselage attach angles just above the main landing gear legs in accordance with P.Ponk Aviation Installations PSK-1100, Revision 0, dated March 22, 1985, or later FAA approved revision.

SA2918NM 11/03/2025 2

### SA2918NM_AML.pdf

**FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA2918NM FOR**

INSTALLATION OF CASTING TO THE LANDING GEAR FUSELAGE ATTACH ANGLE ISSUE DATE: April 5, 1985

Page 1 of 1

**ITEM AIRCRAFT MAKE**

**AIRCRAFT ORIGINAL TC NUMBER**

**CERTIFICATION**

**BASIS FOR**

**ALTERATION**

**FAA APPROVED AIRCRAFT /**

**ROTORCRAFT FLIGHT MANUAL**

**SUPPLEMENT**

**AFM SUPPLEMENT NUMBER**

AML REV DATE Number Revision* Drawing Revision*

1. Textron Aviation Inc.

170 Series A-799 Part 3 CAR and TCDS A-799 PSK-1100 Revision B, dated December 1, 1986 N/A 1/21/1987

2. Textron Aviation Inc.

180 Series 5A6 Part 3 CAR and TCDS 5A6 PSK-1100 Revision B, dated December 1, 1986 N/A 1/21/1987

3. Textron Aviation Inc.

185 Series 3A24 Part 3 CAR and TCDS 3A24 PSK-1100 Revision B, dated December 1, 1986 N/A 1/21/1987

4.

Regal Air Inc.

305A, 305C, 305D, 305F 5A5 CAR 3, dated November 1, 1949, and Amendments as listed in TCDS 5A5 PSK-1100 Revision B, dated December 1, 1986 N/A 9/14/1987

5.

Regal Air Inc.

305B, 305E 3A14 CAR 3, dated November 1, 1949, and Amendments 3-1 through 3-13 PSK-1100 Revision B, dated December 1, 1986 N/A 9/14/1987

FAA Approved:

for Manager, West Certification Branch AMENDED: September 14, 1987 REISSUED: November 3, 2025

## Every issue (2)

- November 3, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f2/6b/f26bc6a0205efeea78a5287b05fa55dab4c5e620ba297a1d1234311a6c224660), [SA2918NM_AML.pdf](https://openairdocs.org/files/sha256/0a/75/0a751aad68cc80323dd211fd345bf7616ded258a3980c24455c6d2a88bfcbf69)
- April 5, 1985: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/78/94/7894817a5dc34e2213f6b094eb68632632010fde6dbb181dc2b2277a18f33397), [SA2918NM_ AML.pdf](https://openairdocs.org/files/sha256/bb/7e/bb7eb597307cbdbae2eb65d62866c7002707ab93df548ea29463536e3718f102)

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