# STC SR00436WI-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: MD Helicopters LLC, United States
- Description: Installation of Bendix/King Avionics System and KFC 900 rotorcraft flight control system.
- Applied: June 7, 1995
- Status date: August 5, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H19NM](https://openairdocs.org/tcds/H19NM)
- Certificate PDF: https://openairdocs.org/files/sha256/f6/c7/f6c7453d1e451d83f8a5b3574ee3cfce54cdc9f99e1a2715a3b823d9723d7b5a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132125748620221012173931.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00436WI-D

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopters LLC MD900 ([TCDS H19NM](https://openairdocs.org/tcds/H19NM))

## 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.

FAA Form 8110-2 (3/21) SUPERSEDES PREVIOUS EDITION Number SR00436WI-D

This Certificate issued to MD Helicopters, LLC 4555 East McDowell Road Mesa, Arizona 85215-9734 Part 27 of the Federal Aviation Regulations.

And additional requirements as specified on TCDS H19NM Original Product - Type Certificate Number : H19NM Make :

MD Helicopters, LLC MD900 Description of Type Design Change: Installation of a Bendix/King® Avionics System (KAD 480 Air Data, EFS 40 EFIS, KX 165/165A NAV/COMM, KT 70/71 Transponder, KRA 405/405B Radar Altimeter, LCR-92 AHRS, KLN 90B GPS, KR 87 ADF, KN 63 DME, KMR 675 Marker Beacon, ART 2000 Weather Radar, KMD 550/850 MFD) and KFC 900 Rotorcraft Flight Control System.

1. This approval should not be extended to other specific aircraft of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft.

2. 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.

Date of application : June 7, 1995

Date of issuance : May 24, 1996 `

Date reissued : February 28, 2000; February 12, 2008;

August 5, 2022

Date amended : December 27, 1996; April 11, 1997;

March 19, 1999, January 23, 2001

(Signature)

Manager, Airframe Section Los Angeles ACO Branch Acting Manager, Technical & Administrative Support Section Aviation Safety Los Angeles ACO Branch

FAA Form 8110-2 (03/21) SUPERSEDES PREVIOUS EDITION Number SR00436WI-D

FAA Form 8110-2 (03/21) SUPERSEDES PREVIOUS EDITION

Number SR00436WI-D

Date of Issuance: May 24, 1996 Date Amended: December 27, 1996 Date Amended: April 11, 1997 Date Amended: March 19, 1999 Date Reissued: February 28, 2000 Date Amended: January 23, 2001 Date Reissued: February 12, 2008

Description of Type Design Change: (Continued from Page 1)

REQUIRED DATA, CONFIGURATION A, AIRWORTHINESS APPROVAL FOR VFR OPERATIONS ONLY:

1. Master Drawing List 159-08140-0001, Revision 5, dated May 10, 1996.

2. Rotorcraft Flight Manual Supplement 006-00845-0002, Revision 0, dated May 24, 1996 for KFC 900 SAS/FD.

3. Rotorcraft Flight Manual Supplement 006-00845-0001, Revision 0, dated May 24, 1996 for KLN 90B GPS.

4. Installation Bulletin 402, 600-09402-0000, original issue April 1997. Incorporation of Installation Bulletin 402 is at the option of the installer and required Rotorcraft Flight Manual Supplement 006-00845-0002, Revision 2, dated April 11, 1997, for the KFC 900 SAS/FD in lieu of Item 2 above.

Later FAA approved revisions to the above listed data are incorporated without further revision for this STC.

REQUIRED DATA, CONFIGURATION B, AIRWORTHINESS APPROVAL FOR CATEGORY B HELICOPTER INSTRUMENT FLIGHT:

1. Master Drawing List 159-08140-0001, Revision 7, dated October 30, 1996

2. Rotorcraft Flight Manual Supplement 006-00845-0000, Revision 0, dated December 27, 1996, for the Bendix/King IFR Avionics Package and KFC 900 Flight Control System.

3. Rotorcraft Flight Manual Supplement 006-00845-0001, Revision 0, dated May 24, 1996, for the KLN 90B GPS NAV.

Later FAA approved revisions to the above listed data are incorporated without further revision to this STC.

REQUIRED DATA, CONFIGURATION C, AIRWORTHINESS APPROVAL FOR CATEGORY A HELICOPTER INSTRUMENT FLIGHT:

1. Master Drawing List 159-08140-0001, Revision AC, dated March 15, 1999.

2. Rotorcraft Flight Manual Supplement 006-00845-0004, Revision - , dated March 11, 1999, for the Category A IFR Avionics /KFC 900 Flight Control System.

3. Rotorcraft Flight Manual Supplement 006-00845-0001, Revision 0, dated May 24, 1996, for the KLN 90B GPS NAV.

Later FAA approved revisions to the above listed data are incorporated without further revision to this STC.

FAA Form 8110-2 (03/21) SUPERSEDES PREVIOUS EDITION

Number SR00436WI-D

Date of Issuance: May 24, 1996 Date Amended: December 27, 1996 Date Amended: April 11, 1997 Date Amended: March 19, 1999 Date Reissued: February 28, 2000 Date Amended: January 23, 2001 Date Reissued: February 12, 2008

Limitations and Conditions: (Continued from Page 1)

3. This alterations has been found to be compatible with, and is approved for installation with, all available MDHS options for the MD-900 helicopter under Type Certificate H19NM as of December 27, 1996, the rescue hoist available from MDHS and approved under STC ST00134NM is included in this determination.

4. This approval is limited to aircraft serial numbers 900-00010 and after.

5. The electrical system modifications incorporated as part of Configuration A, have been shown to meet VFR airworthiness criteria only as specified in Advisory Circular 27-1 change 4.

6. The electrical system modifications incorporated as part of Configuration B, have been shown to meet IFR airworthiness criteria as specified in Advisory Circular 27-1 change 4.

7. The electrical system modifications incorporated as part of Configuration C, have been shown to meet IFR airworthiness criteria as specified in Advisory Circular 27-1 change 4.

8. Operation of the aircraft following the installation of Configuration A is limited to Visual Flight Rules (VFR) Day and Night. In addition, where Installation Bulletin 402 is not incorporated, the EADI R circuit breaker must be pulled and the pilot’s EADI rendered inoperative for Night and Special VFR operations.

9. Category A IFR operations are limited to aircraft serial numbers 52 and subsequent which meet Configuration C and meet the basic aircraft requirements for Category A operations.

--------------------------END--------------------------------

## Every issue (3)

- August 5, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f6/c7/f6c7453d1e451d83f8a5b3574ee3cfce54cdc9f99e1a2715a3b823d9723d7b5a)
- February 12, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/46/8f/468ff13ca7c1d71fa030edc33b925ce093a1f2bee5dae8eedce9bf2f4dcfa694)
- January 23, 2001: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/6c/fd/6cfd1f3e69059492b4ca995bd2977822d792fe1454a02ffaac402508f092010a)

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