# STC ST1003SO - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Aviall Services, Inc., United States - Description: Replace existing lead-acid batteries with Gill BB638/T1-E lead acid batteries, part numbers BSI 200 left and BSI 200 right - Applied: June 8, 1978 - Status date: October 31, 2002 - Product: Aircraft, Large Airplane - Certification basis: Part 21 - Data sheets: [TCDS A3EU](https://openairdocs.org/tcds/A3EU) - Certificate PDF: https://openairdocs.org/files/sha256/0f/fb/0ffb2233f731dd00dfd4581a6ee031adfe7dd8a37a6f3bd73af62f195e4dbf03 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CC0C773290CFC16285256CC300035F08.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST1003SO ## ADs that name it (0) None. ## Approved models (37) - Beechcraft Corporation BH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation BH.125 Series 600A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 1A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 1A-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 1A/R-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 1A/S-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 3A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 3A/R ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 3A/RA ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation DH.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 1B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 1B-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 1B/R-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 1B/S-522 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 3B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 3B/R ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 3B/RA ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 3B/RB ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 3B/RC ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 400A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 400B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 400B/1 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 401B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 403A(C) ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 403B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 600A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 600B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 600B/1 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 600B/2 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 600B/3 ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 700A ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series 700B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series F3B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series F3B/RA ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series F400B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series F403B ([TCDS A3EU](https://openairdocs.org/tcds/A3EU)) - Beechcraft Corporation HS.125 Series F600B ([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. Jitsti's of 0f tEraitspariattmt — Jlfeberal J^frtaitan JVhrnimstraitan ST 1003 so d/b/a Aviall Battery Shop P.O. Box 619048 Dallas, TX 75261 fyZeA &iad die, a/fasigef, isi, S/te ^^e aie^tffsiftv J/te ^m^w^i^/i/'CfiiifC^ 'u^/f <£ t/le&f /t-ese&a s>te.f& tile Gus-afv^/itsieM /•e<7-uis'es'/t:e/i&- P/yczsd 1 0 P,f6£e< Civil Air ^/betT^Ki^/ / / / & For certification basis, See Type Certificate Data Sheet A3EU. A3EU British Aerospace DH.125, HS.125,BH.125 Replace existing lead-acid batteries with Gill BB638/T1-E lead-acid batteries, part numbers BSI 200 left and BSI 200 right, in accordance with installation instructions dated June 8, 1978, or later FAA approved revisions. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated, unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of the airplanes. 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. revc&ee/ev a fasv/us . June 8, 1978 'S, 1978 f.- August 17, 1981; February 17, 1987; October 31,2002 - ^yL&tsYH- f\ . 0 (Signature J»j^Melvin D. Taylor I Manager, Atlanta Aircraft Certification Office FAA FORM 8110-2(10-68] PAGE 1 of 1 PAGE This certificate may be transferred in accordance with FAR INSTRUCTIONS : The transfer endorsement below may be used to notify the appropriate FAA Regional Office of the transfer of this Supplemental Type Certificate. The FAA will reissue the certificate in the name of the transferre and forward it to him. TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number _ to (y^ame of transferee.) (Address of transferee) (9fym6er and street) (City, State., awtZIV cade) from (9^gme of grantor) (Print or type) __ _ __ of grantor) _ (J^wnier and street) (City, State, andZlT code) Exent of Authority (if licensing agreement) : Signature of grantor (In infy : _ Page 2 o[ 2 ## Every issue (1) - October 31, 2002: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0f/fb/0ffb2233f731dd00dfd4581a6ee031adfe7dd8a37a6f3bd73af62f195e4dbf03) --- 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.