# STC SA1639GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Spectrum Aeromed LLC dba Spectrum Aeromed, United States
- Description: Install air ambulance conversion.
- Applied: March 15, 1991
- Status date: February 28, 2019
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/c7/c4/c7c4a2e8add1d9c4395e274f93e9ab418208479bd9721c946433805bd0fbe43c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DAF2F951C29F84218625843E0060E141.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1639GL

## ADs that name it (0)

None.

## Approved models (17)

- Learjet Inc. 24 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24E ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 24F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 25F ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 31 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## 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.

Part 25 of the Federal Aviation R egulations. (See Type Certificate Data Sheet No. A10CE for complete certification basis)

Original Product --Type Certificate N umber :

Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Master Drawing List 6017-1DL, No Revision, dated October 24, 2006, or later FAA approved revisions.

1. FAA Approved Aircraft Flight Manual Supplement, 6017-1FMS, dated November 13, 2006, or later FAA approved revision is required. 2. FAA Accepted Instructions for Continued Airworthiness, Manual 6017-1MM, No Revision, dated October 23, 2006, or later FAA accepted revision is required for this modification. 3. The installer must determine whether this design change is compatible with previously approved modifications. 4. 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.

Spectrum Aeromed, LLC dba Spectrum Aeromed 1815 23rd Ave. North Fargo, ND 58102 A10CE M ake : Learjet Inc.

M odel : 24; 24A; 24B; 24C; 24D; 24E; 24F; 25; 25A; 25B; 25C; 25D; 25F; 31;

35; 35A; 36 Date of application : March 15, 1991

Date of issuance : September 04, 1991

Date reissued : August 6, 2007; October 23, 2008;

February 28, 2019

Date amended : November 27, 2006

B y direction of the A dministrator Original Signed By:

Monica L. Nemecek

(Signature) Monica L. Nemecek Manager, Airframe & Administrative Section Chicago ACO Branch

(Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

Number

## Every issue (3)

- February 28, 2019: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c7/c4/c7c4a2e8add1d9c4395e274f93e9ab418208479bd9721c946433805bd0fbe43c)
- October 23, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/47/58/4758520488ce0feb5e9185102833ce2836bef2e83b65a2aea861b659865e1624)
- August 6, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/1d/20/1d20d444a8323575b5240684d2194d3764868651d2c22347e0ea5da7bff0009d)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.