# STC SH1837NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: MD Helicopters LLC, United States
- Description: Installation of a fore-and-aft medical evacuation litter(s) kit.
- Applied: December 1, 1982
- Status date: August 26, 2022
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/f1/c8/f1c887e747094d5d88dbe556d6e47bbdcdcad91e152fdb59425fe0ab5868cf84
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103707195420221012173032.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1837NM

## ADs that name it (0)

None.

## Approved models (1)

- MD Helicopters LLC 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## 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 SH1837NM

This Certificate issued to

MD Helicopters, LLC 4555 East McDowell Road Mesa, Arizona 85215-9734

Part 6 of the Civil Air Aviation Regulations.

Original Product - Type Certificate Number : H3WE Make :

MD Helicopters, LLC 369D Normal Category Description of Type Design Change: Installation of a fore-and-aft medical evacuation litter(s) kit in accordance with FAA sealed Tracor Aviation Drawing List DL-324-001, Revision E, dated February 11, 1983, or later FAA approved sealed revision.

Limitations and Conditions: The limitations and conditions of Data Sheet H3WE apply to the Tracor Litter(s) kit installed except as outlined on Page 3 of this STC. A copy of this STC must be included in the permanent records of the each helicopter modified in accordance with this STC. 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.

Date of application : December 1, 1982

Date of issuance : February 14, 1983

Date reissued : June 20 1996; February 18, 1999;

October 23, 2002; August 26, 2022 Date amended : November 1, 1985

(Signature) Acting Manager, Technical & Administrative Support Section

Aviation Safety Los Angeles ACO Branch Aviation Safety Los Angeles ACO Branch

FAA Form 8110-2 (03/21) SUPERSEDES PREVIOUS EDITION Number SH1837NM

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

Number SH1837NM

Date of Application: December 1, 1982 Date Issuance: February 14, 1983 Date Amended: November 1, 1985 Date Reissued: June 20, 1996; February 18, 1999; October 23, 2002; August 26, 2022

Limitations and Conditions: (Continued from Page 1)

The FAA approved Rotorcraft Flight Manual Supplement No. TA-HH-0003, dated February 14, 1983, or later FAA approved revisions, for the litter(s) kit is required

Operation Limitations: The following limitations apply to the Hughes Model 369D helicopters equipped with the Tracor Fore-and-Aft Litter(s) Kit installation.

1. Vne is limited to 125 KIAS with both modified doors and center door post removed.

2. Maximum speed is limited to 20 MPH for any door arrangement on the modified side other than modified doors closed or removed.

Placard: The following placard is required to be mounted on the 369D instrument panel per Tracor Aviation Drawing TA-HH-43000, Revision C, dated February 11, 1983.

“FOR OPERATION WITH DOORS OPEN MEX. SPEED IS 10 MPH”.

Limitations of Applicability: The approval of this change in type design applies basically to Hughes Model 369D helicopters only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless sit is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in the fixed disposable weight in the fuselage.

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## Every issue (1)

- August 26, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/f1/c8/f1c887e747094d5d88dbe556d6e47bbdcdcad91e152fdb59425fe0ab5868cf84)

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