# STC SR04711NY

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Sterling Helicopter, United States
- Description: Replacement of Luminator LS400 LED searchlight (steerable landing light)
- Applied: April 15, 2021
- Status date: February 26, 2025
- Product: Aircraft, Rotorcraft
- Certification basis: Part 27
- Data sheets: [TCDS R00003RD](https://openairdocs.org/tcds/R00003RD), [TCDS H9EU](https://openairdocs.org/tcds/H9EU), [TCDS H88EU](https://openairdocs.org/tcds/H88EU)
- Certificate PDF: https://openairdocs.org/files/sha256/54/14/5414deb78747bd967b748dfbc88fb872a180425dfcd26a79930ec849e235fce7
- Approved model list and other attachments: [SR04711NY_AML.pdf](https://openairdocs.org/files/sha256/14/67/1467283ec377ffd319d1e0724a515920483b5f8649e5288e29975b2aebc251ff)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139406233220250307143921.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR04711NY

## ADs that name it (0)

None.

## Approved models (19)

- Airbus Helicopters AS350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters AS350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters EC130B4 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters EC130T2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135P1 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135P2 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135P2+ ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135P3 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135T1 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135T2 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135T2+ ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Airbus Helicopters Deutschland GmbH (AHD) EC135T3 ([TCDS H88EU](https://openairdocs.org/tcds/H88EU))
- Bell Helicopter Textron Canada Limited 429 ([TCDS R00003RD](https://openairdocs.org/tcds/R00003RD))

## 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.

SR04711NY Sterling Helicopter 1226 River Road Croydon, PA 19021 27 Title 14 Code of Federal Regulations * * *See FAA Approved Model List (AML) for list of make, models, and applicable certification basis.

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

2. 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. (Continued on Page 3 of 4) 04/15/2021 03/10/2022 02/26/2025 Christina M. Underwood Manager, East Certification Branch (AIR-750) Compliance & Airworthiness Division Aircraft Certification Services (AIR), AVS/FAA 3

1. Replacement of Luminator LS400 LED searchlight (steerable landing light) in accordance with Sterling Helicopter Master Drawing List listed in the Approved Model List (AML).

2. Maintenance to be performed in accordance with Sterling Helicopter Instructions for Continued Airworthiness listed in the AML.

3. Bell Textron Canada Limited 429 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS) document no. 910146, Rev. IR, approved March 10th, 2022.

(Continued on page 3 of 4)

SR04711NY 02/26/2025 3

SR04711NY 02/26/2025 Description of Type Design Change (continued from Page 1 of 4)

4. Airbus Helicopters AS350 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS) document no.

ST-22-501-04, Rev. IR, approved April 13, 2023.

5. Airbus Helicopters Deutschland GmbH EC135 series rotorcraft to be operated in accordance with Sterling Helicopter Rotorcraft Flight Manual Supplement (RFMS), document no. ST-22- 512-06, Rev. IR, approved April 13, 2023.

Limitations and Conditions: (continued from Page 1 of 4)

3. The Bell 429 must be OEM equipped with a PAR 46 searchlight (steerable landing light) at the approximate OEM location of the rotorcraft and must have an OEM dust cover installed.

4. The AS350 series rotorcraft must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR46 searchlight (steerable landing light) installed by STC No. SH1476SO or PAR46 searchlight (steerable landing light) installed by STC No. SH8154SW-D.

5. The EC135 must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR64 searchlight (steerable landing light) installed by STC No. SR09354RC.

6. The EC130 must have an OEM equipped PAR46 searchlight (steerable landing light) or PAR46 searchlight (steerable landing light) installed by STC No. SR05544DE or STC No. SR00872DE.

Certification Basis:

Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the FAA certification basis for the rotorcraft listed on AML is as follows:

a. The certification basis for areas that have not been altered or impacted by this modification will remain in accordance with the aircraft's relevant Type Certificate Data Sheets.

Certification Basis for Bell Textron Canada Limited 429 series, see AML.

Certification Basis for Airbus Helicopters AS350 series, see AML.

Certification Basis for Airbus Helicopters Deutschland GmbH EC135 series, seel AML.

Certification Basis for Airbus Helicopters EC130B4 and EC130T2, see AML.

END 3 3 Add Page

### SR04711NY_AML.pdf

FAA APPROVED MODEL LIST (AML) STC No. SR04711NY Sterling Helicopter FOR Installation of Luminator LS400 Steerable Landing Lights on Eligible Part 27 Helicopters Original Issue Date: March 10, 2022

**REQUIRED DOCUMENTATION**

**ITEM AIRCRAFT MAKE AIRCRAFT MODEL**

**TCDS**

**CERTIFICATION BASIS**

**INSTALLATION INSTRUCTIONS**

**NUMBER/DATE**

**INSTRUCTIONS FOR**

**CONTINUED**

**AIRWORTHINESS**

**NUMBER/DATE AML**

**AMENDMENT DATE**

1 Bell Textron Canada Limited 429 R00003RD 14 CFR Part 27, Amendment 27-1 to 27-44 Installation of Luminator LS400 Steerable Landing Light in accordance with Sterling Helicopter Master Drawing List, Document No. 910106 Rev. E, dated December 9, 2024 or later FAA approved revision.

Installation is limited to previously approved TC steerable landing lights, size, and location.

Maintenance to be performed in accordance with Sterling Helicopter Instructions for Continued Airworthiness, Document No. 910107 Rev. E, dated January 16, 2025 or later FAA approved revision.

April 24, 2023 2 Airbus Helicopters AS350C AS350D AS350D1 AS350B AS350B1 AS350B2 AS350BA AS350B3 H9EU 14 CFR Part 27, Amendment 27-1 to 27-10 April 24, 2023 3 Airbus Helicopters Deutschland GmbH EC135P1 EC135T1 EC135P2 EC135T2 EC135P2+ EC135T2+ **see continuation of models on next page H88EU 14 CFR Part 27, Amendment 27-1 through 27- 31 April 24, 2023

3 Airbus Helicopters Deutschland GmbH EC135P3 EC135T3 H88EU 14 CFR Part 27, Amendment 27-1 through 27- 31 Installation of Luminator LS400 Steerable Landing Light in accordance with Sterling Helicopter Master Drawing List, Document No. 910106 Rev. E, dated December 9, 2024 or later FAA approved revision.

Installation is limited to previously approved TC or STC steerable landing lights, size, and location.

Maintenance to be performed in accordance with Sterling Helicopter Instructions for Continued Airworthiness, Document No. 910107 Rev. E, dated January 16, 2025 or later FAA approved revision April 24, 2023 4 Airbus Helicopters EC130B4 EC130T2 H9EU 14 CFR Part 27, Amendment 27-1 to 27-32 February 26, 2025

1. Certification Basis for aircraft model item 1 to 3:

a. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the FAA certification basis for the Bell Textron Canada Limited Model 429 series, Airbus Helicopters Model AS350C, AS350D, AS350D1, AS350B, AS350B1, AS350B2, AS350BA, AS350B3 series, Airbus Helicopters Deutschland GmbH Model EC135P1, EC135T1, EC135P2, EC135T2, EC135P2+, EC135T2+ series aircraft modification are as follows:

i. The type certification basis for the Bell Textron Canada Limited Model 429 is shown on TCDS R00003RD. The type certification basis for Airbus Helicopters Model AS350C, AS350D, AS350D1, AS350B, AS350B1, AS350B2, AS350BA, AS350B3 is shown on TCDS H9EU. The type certification basis for Airbus Helicopters Deutschland GmbH Model EC135P1, EC135T1, EC135P2, EC135T2, EC135P2+, EC135T2+, EC135P3, EC135T3 is shown on TCDS H88EU.

ii. Regulations at amendment 27-1 through 27-44:

27.251, 27.301, 27.303, 27.305(a)(b)(1), 27.307(a), 27.337, 27.341, 27.601,

27.603, 27.605(a), 27.609, 27.611, 27.613, 27.619, 27.625(a)(b)(c), 27.629,

27.771(a), 27.773(a)(1)(2)(b), 27.1301, 27.1309(a)(b)(c)(d), 27.1322(c),

27.1351(a)(1)(2),27.1357(a)(2)(c)(d), 27.1365, 27.1367, 27.1381, 27.1383(a)(b),

27.1501(b), 27.1529, 27.1541(a)(b), 27.1581(a)(2).

Applicable to Airbus Helicopter AS350 series and EC135 series only Applicable 14 CFR Part 27 regulation(s) at other amendment levels 27.773(a)(1) Amdt. 27-50

Equivalent Levels of Safety (ELOS) for Bell 429:

Number TC2486RD-R/A-2 14 CFR part 27.307(b)(5) Proof of Structure Landing Gear Drop Test 14 CFR part 27.723 Landing Gear Shock Absorption Tests 14 CFR part 27.725 Landing Gear Limit Drop Test 14 CFR part 27.727 Landing Gear Reserve Energy Absorption Drop Test Number TC2486RD-R/S-2 14 CFR part 27 Appendix B VIII (b)(5)(i) Equipment, systems, and installations

14 CFR part 27 Appendix B VIII (b)(5)(ii) Equipment, systems, and installations Number TC2486RD-R/F-2 14 CFR part 27.1545(b)(2) Airspeed Indicator Number TC2486RD-R/P-1 14 CFR part 29.903(b) as required by 14 CFR part 27 Appendix C, Category A Engine Isolation

Equivalent Levels of Safety (ELOS) for Airbus Helicopters AS350:

Equivalent safety, in lieu of direct compliance, found with respect 14 CFR 27.1189, Shutoff Means.

Equivalent Safety, in lieu of direct compliance, found with respect to 14 CFR 27.923(b), Rotor drive system and control mechanism test for Model AS-350B1.

Equivalent Levels of Safety (ELOS) for Airbus Helicopters Deutschland GmbH:

a. 14 CFR § 27.1305 Powerplant instruments (documented in ELOS Memo AT04292RD-R-P-1)

b. 14 CFR § 27.1549 Powerplant instruments (documented in ELOS Memo AT04292RD-R-P-1)

c. 14 CFR § 27.1305 Powerplant Instruments; 27.1321(a) Arrangement and Visibility; 27.1351(d)(1) Electrical Systems and Equipment, General; and Section C27.2 for 29.1305(a)(6) and (b)(1) Powerplant Instruments (documented in ELOS Memo AT04292RD-R-S-1)

d. 14 CFR § 27.1545(b)(4) Airspeed indicator, and 27.1549(b) Powerplant instruments (documented in ELOS Memo AT04292RD-R-F-1)

2. Certification Basis for aircraft model item 4:

a. Based on 14 CFR 21.115 and 21.101, and the FAA policy for significant changes in FAA Order 8110.48, the FAA certification basis for the Airbus Helicopters Model EC130B4 and EC130T2 series aircraft modification are as follows:

i. The type certification basis for the Airbus Helicopters Model EC130B4 and EC130T2 is shown on TCDS H9EU.

ii. Regulations at amendment 27-1 through 27-32:

27.251 [Amdt. 27-0], 27.301(a) [Amdt. 27-0], 27.303 [Amdt. 27-0], 27.305(a) [Amdt. 27-0],

27.307(a) [Amdt. 27-26], 27.337 [Amdt. 27-26], 27.601(a) [Amdt. 27-0], 27-603 [Amdt. 27-16],

27.605(a) [Amdt. 27-16], 27.607 [Amdt. 27-4], 27. 609(a) [Amdt. 27-0], 27.611(a)(b) [Amdt. 27-0],

27.613 [Amdt. 27-26], 27.619 [Amdt. 27-0], 27.625(a)(b)(c) [Amdt. 27-35], 27.629 [Amdt. 27-26],

27.771(a) [Amdt. 27-0], 27.773(a)(1) [Amdt. 27-0], 27.1301 [Amdt. 27-0], 27.1309(a)(c) [Amdt. 27- 21], 27.1351(a)(1)(2) [Amdt. 27-13], 27.1357(a)(2)(c)(d) [Amdt. 27-13], 27.1365 [Amdt. 27-35],

27.1383(a)(b) [Amdt. 27-0], 27.1529 [Amdt. 27-18], 27 Appdx. A 27.1 [Amdt 27-18], 27 Appdx. A

27.2 [Amdt 27-18], 27 Appdx. A 27.3 [Amdt 27-18], 27 Appdx. A 27.4 [Amdt 27-24].

Equivalent Levels of Safety (ELOS):

14 CFR 27.1549(b) Powerplant Instrument Markings 14 CFR 27.1027(b)(2) Main Gearbox Oil Filter Bypass

FAA Approved:

for Christina M. Underwood Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service

## Every issue (1)

- February 26, 2025: Amended, Current. [certificate](https://openairdocs.org/files/sha256/54/14/5414deb78747bd967b748dfbc88fb872a180425dfcd26a79930ec849e235fce7), [SR04711NY_AML.pdf](https://openairdocs.org/files/sha256/14/67/1467283ec377ffd319d1e0724a515920483b5f8649e5288e29975b2aebc251ff)

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