# STC ST09278SC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of Honeywell LSZ-850 Lightning Sensor System or Honeywell LSZ-860 Lightning Sensor System.
- Applied: October 15, 1996
- Status date: April 19, 2017
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU)
- Certificate PDF: https://openairdocs.org/files/sha256/ba/18/ba18281cbc3ee553cad82955b66d903d35dc01497ddc372480b96b968e44dc8e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/680031BA42DFAB1B8625817C004C5FC0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09278SC

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company Hawker 800XP ([TCDS A3EU](https://openairdocs.org/tcds/A3EU))

## 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 (5/14) Page 1 of

Part of the

Signature

Title ST09278SC Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 4b Civil Air Regulations.

Raytheon Aircraft Company Hawker 800XP 2 A3EU Installation of Honeywell LSZ-850 Lightning Sensor System or Honeywell LSZ-860 Lightning Sensor System in accordance with Raytheon Aircraft Company STC Drawing List Number 800-153, Revision C, dated December 11, 1998, or later FAA approved revision.

This modification requires prior installation of Supplemental Type Certificate (STC) ST09246SC. Compatibility of this design change with previously approved modifications must be determined by the installer. 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.

April 19, 2017 December 11, 1998 October 15, 1996 November 18, 1996 Mark Fuller STC ODA administrator ODA-100129-CE

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (1)

- April 19, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ba/18/ba18281cbc3ee553cad82955b66d903d35dc01497ddc372480b96b968e44dc8e)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
