# STC SR09600RC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Bell Helicopter Textron, United States
- Description: Installation of Bell BasiX-Pro Glass Cockpit and Pratt & Whitney Canada PT6T-9 Twin Power Section Turboshaft engines and associated systems
- Applied: January 25, 2011
- Status date: January 30, 2013
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/8d/d6/8dd66088bef84932b3038e98ef8ec6d00b0acbceffcc373337ea293583f2c841
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E9B5A983C2E7EFF186257B25006D9591.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SR09600RC

## ADs that name it (0)

None.

## Approved models (1)

- Bell Helicopter Textron Inc. 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## 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.

STC Number SR09600RC

Part 29 of the Federal Aviation Regulations.

Installation of Bell BasiX-Pro  Glass Cockpit and Pratt & Whitney Canada PT6T-9 Twin Power Section Turboshaft engines and associated systems in accordance with Master Drawing List No. AA-11023 Revision C, dated January 24, 2013 or later FAA approved revisions. Rotorcraft Flight Manual (Report No. AA-11045 Revision “Original”, dated January 28, 2013 or later FAA approved revision) is required. Instruc tion for Continued Airworthiness (Report Number AA-11044 Revision A, dated January 7, 2013 or later FAA accepted revision) is required.

Approval of this change in type design applies to the above model which is otherwise unmodified. This approval should not be extended to other 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 changes in type design will introduce no adverse effect upon the airworthiness of that aircraft. The installer must determine whether this design change is compatible with previously approved modification. 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.

Bell Helicopter Textron.

P.O. Box 482 Fort Worth, Texas 76101 H4SW Make: Bell Model: 412EP Date reissued:

( Signature)

David K. Neese, ODA Lead administrator (Acting) BHTI ODA-710621-SW

( Title) Date of application: January 25, 2011

Date of issuance: January 30, 2013

STC Number SR09600RC

This certificate and the supporting data which is the basi s for approval shall remain in effect until surrendered, suspended, revoked or a termination da te is otherwise established by the Administrator of the Federal Aviation Administration.

Limitations and conditions shown on Type Certificate Da ta Sheet (TCDS) Number H4SW for model 412EP remain applicable. The following list contains those limitations and conditions which are modified.

Engine Operating Limits for PT6T-9 Engines:

Normal Operation

Torque per engine Lb-ft (%) Power Turbine Speed –rpm (%) 100% = 33,000 Gas Generator Speed –rpm (%) 100% = 38,100 Gas Temperature Deg. C Maximum Minimum Takeoff (5 Minutes) 738 (66.2%) (1) 34,155 (103%) 32,010 (97%) 38,850 (102.0%) 825 Maximum Continuous 657 (59.0%) (1) 34,155 (103%) 32,010 (97%) 38,100 (100.0%) 785

One Engine Inoperative (OEI) (Emergency) Torque per engine Lb-ft (%) Power Turbine Speed –rpm (%) Gas Generator Speed –rpm (%) Gas Temperature Deg. C Maximum Minimum 30 Seconds 1010 (90.7%) (1) 34,155 (103%) 32,010 (97%) 41,200 (108.1%) 960 2 Minutes 915 (82.1%) (1) 34,155 (103%) 32,010 (97%) 40,160 (105.4%) 905 Continuous 875 (78.5%) (1) 34,155 (103%) 32,010 (97%) 39,500 (103.7%) 860 Notes:

(1) Engine torque measured at transmission input

Oil Capacity:

Each power section tank (on the accessory gearbox) has 1.6 gal quantity, 0.75 gal usable, 0.5 gal expansion space available. Reduction gearbox tank – 1.25 gal capacity (Ref. Note 1 on Type Cert Data Sheet H4SW for requirement to include undrainable oil weight in certificated empty weight).

STC Number SR09600RC

Limitations and Conditions (Cont’d):

Bell Model 412EP equipped with Winterization Heater Kit (212-706-008) shall be operate d in accordance with FAA approved flight manual supplement re port number AA-12082 Revision “Original”, dated January 28, 2013 or later FAA approved revision. This supplement shall be a ttached to Report No. AA-11045 (BHT-412EPI-FM) when Winterization Heater kit (212-706-008) has been installed on the helicopter.

Bell Model 412EP equipped with BLR Fast Fin ® Kit (412-705-040) shall be operated in accordance with FAA approved flight manual supplement re port number AA-12088 Revision “Original”, dated January 28, 2013 or later FAA approved revision. This supplement shall be att ached to Report No. AA-11045 (BHT-412EPI-FM) when BLR Fast Fin® kit (412-705-040) has been installed on the helicopter.

Bell Model 412EP equipped with nine or less passenger seats shall be operated in accordance with FAA approved flight manual supplement report numbe r AA-12085 for category B operations Revi sion “Original”, dated January 28, 2013 or later FAA approved revision. Th is supplement shall be attached to Report No. AA-11045 (BHT-412EPI-FM) when the helicopter is configured with nine or less passenger seats.

Bell Model 412EP modified in accordance with this STC sh all be operated in accordance with FAA approved flight manual supplement report number AA-12087 for category A ope rations Revision “Original”, dated January 28, 2013 or later FAA approved revision. This supplement shall be attached to Report No. AA-11045 (BHT-412EPI-FM).

Bell Model 412EP modified in accordance with this STC sh all be operated in accordance with FAA approved flight manual supplement report number AA-12086 for External Class D Loads Revision “Original”, dated January 29, 2013 or later FAA approved revision. This supplement shall be attached to Report No. AA-11045 (BHT-412EPI-FM). This STC does not certify the hoist equipment for which the fli ght manual supplement provisions are intended. Additional FAA approved hoisting equipment installation is required

This STC is limited to 412EP aircraft serial number 36248 and subsequent or those otherwise modified to be equivalent with regards to dual AHRS (LCR-100) wiring and installation. For aircraft serial numbers 36248 through 36490, the dual LCR-92 AHRS installation must be replaced with the dual LCR-100 unit in accordance with 412EP retrofit kits 412-704-047-111 and 412-704-047-113. LCR-100 units must be upgraded to P/N 145130-7001 Mod 25 or subsequent.

STC Number SR09600RC

Model 412EP helicopters modified in accordance with this STC must be equipped with the following Bell 412EP Helicopter kits as pre-requisites:

 205-706-034-105 or -125; Rotor Brake Kit  412-706-026-101; 200 Amp. Starter/Generator Kit.

 412-705-006-101; FAA IFR kit  212-706-005-125 or -135 or -141; Dual Controls  412-705-005-107; DME  412-705-015-119; ADF  412-705-015-121; NAV1 Receiver  412-705-015-123; NAV2 Receiver  412-705-015-125; COM2 Transceiver  412-706-121-129 or -135 or -137; Standby Attitude Indicator  412-706-116-131 or -133; Copilot Instruments  412-705-015-127 or -129 or -131; ATC Transponde r kit is required if the optional GNS-530AW Com/Nav/GPS STC is installed in accordance with this STC  STC SR03033NY; The L/H Equipment Shelf

This STC is not compatible with the following Model 412EP Helicopter Kits:

 412-705-009-(all dash numbers); EDZ-705 EFIS kit  412-705-008-(all dash numbers); SAR (search and rescue) Interface kit  412-705-034-(all dash numbers); Weather Radar (Primus 700/701)  412-706-084-(all dash numbers); Cockpit voice recorder and/or flight data recorder kits  412-706-025-103 or -107 or -111 or -115; Radar Altimeter #2 kit

This STC is not compatible with Bell model 412EP helic opters equipped with Increased Maximum Continuous Power kit (P/N 412-706-019) or any other kit that would allow 100% mast torque for greater than five minutes.

STC Number SR09600RC

(1) The type certification basis for Model 412EP helicopter as shown in TCDS H4SW remains valid for 412EP parts not impacted by this change.

(2) Title 14 CFR Part 29, dated 02/01/65, including Amendm ents 29-1 through Amdt. 29-52 for all parts and areas affected by this change. The following lists the applicable regulations for this change through Amdt. 29-52.

14 CFR Part 29.141, 29.143, 29.251, 29.301, 29.303, 29.305, 29.307, 29.561(c), 29.601(a), 29.603, 29.605,

29.609(a), 29.625, 29.777, 29.831 (b)(c), 29.907, 29.993, 29.1023(a), 29.1049, 29.1093, 29.1203(a)(b)(d),

29.1301, 29.1327, 29.1381, 29.1385, 29.1389, 29.1391, 29.1393, 29.1395, 29.1431, 29.1435, 29.1523(a)(b),

29.1541, 29.1543(b), 29.1547, 29.1551, 29.1553, at Amdt. 29-0 14 CFR Part 29.955(a)(1) at Amdt. 29-2 14 CFR Part 29.773(a), 29.901, 29. 1191(a)(c)(d)(e)(f), at Amdt. 29-3 14 CFR Part 29.1397 at Amdt. 29-7 14 CFR Part 29. 1387 at Amdt 29-9 14 CFR Part 29.1401 at Amdt. 29-11 14 CFR Part 29.63, 29.939, 29.1165, 29.1322 at Amdt. 29-12 14 CFR Part 29.1145 at Amdt. 29-13 14 CFR Part 29.1335 at Amdt. 29-14 14 CFR Part 29.29, 29.33(a)(1), 29. 1353(a)(b), 29.1501, 29.1527, 29.1581(a)(b)(d) at Amdt. 29-15 14 CFR Part 29.1413(a) at Amdt. 29-16 14 CFR Part 29.1091 (a)(b), 29.1545 at Amdt. 29-17 14 CFR Part 29.571, 29.1529, Appendix A at Amdt. 29-20 14 CFR Part 29.1321, Appendix B (B29.1) at Amdt. 29-21 14 CFR Part 29.853(a)(2)(c) at Amdt. 29-23 14 CFR Part 29.21, 29.45, 29.151, 29.672(a), 29.771(a)(b)(c), 29.1303, 29.1325, 29.1331, 29.1333, 29.1355,

29.1357(a)(c)(d)(e)(g), 29.1517, 29.1555(a)(b)(c)(d), 29.1559, 29.1583, 29.1585 at Amdt. 29-24 14 CFR Part 29.1041, 29.1011(d), 29.1043, 29.1045, 29.1047, 29.1141(a)(b)(c)(d)(f)(2),

29.1337(a)(b)(1)(2)(c)(d)(e), 29.1557(c)(2) at Amdt. 29-26 14 CFR Part 29.337(a), 29.613(d), at Amdt. 29-30 14 CFR Part 29.783(e), 29.903(a)(b)(c)(3)(d)(e) at Amdt. 29-31 14 CFR Part 29.1143(a)(b)(c)(e)(f), 29.1549 at Amdt. 29-34 14 CFR Part 29.49(a)(b)(c), 29.51, 29.53, 29.55, 29.60, 29.61, 29.64, 29.65(a), 29.75, 29.79, 29.83(a)(b),

29.87(a), at Amdt. 29-39 14 CFR Part 29.1305(a)(3)(4)(6-19)(21-23)(25)(26)(b)(c), 29.1309(a)(b)(2)(c)(d)(e)(f)(g)(h), 29 Appendix B (B29.8(a)(b)(3)(4)(5)(6)(c)) at Amdt. 29-40 14 CFR Part 29.1521 (a)(b)(1)(3)(4)(5)(6)(7)(c)(4)(d)(e)(f)(g)(h)(i)(j) at Amdt. 29-41

STC Number SR09600RC

14 CFR Part 29.1329(f), 29.1351 (a)(b,3,4,6)(d), 29.1359 at Amdt. 29-42 14 CFR Part 29.865(c)(6) at Amdt. 29-43 14 CFR Part 29.59, 29.62, 29.67, 29.77, 29.81, 29.85, 29.1323(a)(b)(c)(e) at Amdt 29-44 14 CFR Part 29.1317(a)(b)(c), 29 Appendix E at Amdt 29-49 14 CFR Part 29.1587 at Amdt 29-51

Equivalent Level of Safety Findings have been made for following Regulations:

14 CFR 29.1305, 29.1321 and 29.1549 for the Power Situation Indicator (documented in ELOS Memo No.

ST0025RC-RD/P-1) dated 1/16/13.

14 CFR 29.1545(b)(2) Airspeed Indicator (documented in ELOS Memo No. ST0025RC-RD/F-2) dated 11/8/12.

14 CFR 29.1333(a) and 14 CFR Part 29 Appendix B VIII (b)(5)(i) and (ii) for Electronically Integrated Flight Instrument Systems (documented in ELOS Memo No. ST0025RC-RD/S-2) dated 1/25/13

14 CFR 29.1555(c)(1) for the Usable Fuel Capacity Marking (documented in ELOS Memo No. ST0025RC- RD/P-2) dated 1/15/13.

[ END ]

## Every issue (1)

- January 30, 2013: Issued, Current. [certificate](https://openairdocs.org/files/sha256/8d/d6/8dd66088bef84932b3038e98ef8ec6d00b0acbceffcc373337ea293583f2c841)

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