# STC SA1850CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Phoenix Air Group Inc., United States
- Description: Installation of tailcone radome.
- Applied: November 5, 1982
- Status date: April 27, 2023
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE)
- Certificate PDF: https://openairdocs.org/files/sha256/3d/36/3d36e67b5de39d1860903d208e24ee455ffdd24b6d616ef745f76a162b8dddb7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164274235720240725213839.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1850CE

## ADs that name it (0)

None.

## Approved models (4)

- Learjet Inc. Learjet 35 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 35A (C-21A) ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 36A ([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.

SA1850CE Phoenix Air Group, Inc.

100 Phoenix Air Drive, S.W.

Cartersville, GA 30120 Part 25 Title 14 Code of Federal Regulations A10CE Learjet 35; 35A, 36 and 36A Installation of tailcone radome per Avcon Industries Drawing List 36619 with an FAA approval date of February 15, 1983, or later.

1. Airplane Flight Manual Supplement dated February 15, 1983, is required equipment when this modification is installed.

(See Limitations and Conditions Continued on Page 3 of 3) November 5, 1982 March 29, 1983, April 27, 2023 May 29, 2024 February 15, 1983 Christina M. Underwood Manager, East Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 3

SA1850CE 3

SA1850CE Date Reissued: May 29, 2024

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

3. This STC is applicable to all serial numbers for this Make-Model (as applicable).

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

5. 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.

----------------------------END------------------------ 3 3

## Every issue (2)

- April 27, 2023: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3d/36/3d36e67b5de39d1860903d208e24ee455ffdd24b6d616ef745f76a162b8dddb7)
- April 27, 2023: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/2f/5b/2f5ba8617948b951cd244ccf35e56724ce404caedd508303ac46cd331c7f70c6)

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