# STC ST00110LA-D

- Type: Supplemental type certificate
- Status: Historical, Surrendered
- Holder: Hollingsead International, United States
- Description: Installation of wing pylon electrical disconnect panels.
- Applied: March 17, 1995
- Status date: June 23, 2009
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21, Part 21, Part 21, Part 21, Part 21, Part 21
- Data sheets: [TCDS A20WE](https://openairdocs.org/tcds/A20WE)
- Certificate PDF: https://openairdocs.org/files/sha256/22/ee/22ee99a40c9c4b705cbf347e3b0246586dc351d062ed02cfcce3d2d2cc550950
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9110EEE187EBD4288625760000749255.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00110LA-D

## ADs that name it (0)

None.

## Approved models (9)

- The Boeing Company 747-100 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B SUD Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-100B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200 Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200B Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200C Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747-200F Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SP Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))
- The Boeing Company 747SR Series ([TCDS A20WE](https://openairdocs.org/tcds/A20WE))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number STO0110LA-D This certificate issued to: Hollingsead International Certificate 2226 Goodyear Avenue SURRENDERED Ventura, California 93003 on 6-23-09 Certifies that the change in the type design for the following product with the limitations and conditions therefor as specified hereen meets the airworthiness requirement's of Part 25 of the Federal Aviation Regulations.

Original Product Type Certificate Number A20WE Make: BOEING Abcdel: 747-100, -100B, -100B SUD, -200B, -200F,-200C, SR and SP Series Aircraft Description of Type Design Change: Installation of Wing Pylon Electrical Disconnect Panels in accordance with Advanced Aero Systems Group (AASG) documentation:

• Master Drawing List, AASG, Rev. N/C, dated March 30, 1996, and Index List, AASG-002, Rev. N/C, dated March 30, 1996, or later FAA approved revision Limitations and Conditions:

This approval should not be incorporated on any certificated product of this model on which other approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those previously incorporated modifications will not introduce any adverse effect upon the airworthiness of the certificated product. This approval apples only to the above model and Series 747 Aircraft powered by Pratt and Whitney JT9D engines. A copy of this STC mus be included in the permanent records of the modified aircraft. 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: March 17, 1995 Date Reissued: April 1, 1998; June 13, 2005;

May 14, 2007 Date of Issuance: May 6, 1996 Date Amended:

FEDERAL AVIATION By Direction of the Administrator Call K. Woo (Signature) Manager, Technical & Administrative Support TOMINISTRATIO Staff, Los Angeles Aircraft Certification Office (Title)

TRANSFER ENDORSEMENT Transfer the ownership of the Supplemental Type Certificate Number to (Name of transferee) (Address of transfer) (Number and street) (City, State, and Zip code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and Zip code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (3)

- June 23, 2009: Surrendered, Historical. [certificate](https://openairdocs.org/files/sha256/22/ee/22ee99a40c9c4b705cbf347e3b0246586dc351d062ed02cfcce3d2d2cc550950)
- May 14, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c1/b9/c1b93819f0bead0e3ea1a6b8e04c1da89af765aae9238897571cb70d4db4d1b5)
- June 13, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/0c/da/0cda4de509899f5e39515cb71711079cdfe25aa8379875699c5fed0b2c5ce289)

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