The U.S. aircraft register, updated daily
Parts · Electrical power

Battery

11,990 failure reports named the battery in the last ten years, 27,691 since 1995, most often on the Boeing 737; the condition most often found was "inoperative". 711 FAA approvals let 25 companies make a replacement battery, Concorde Battery CORP holding the most (298). The reports call it "battery", "battery assy", "battery assembly".

Reports by year

03376741,0101,34719952000200520102015202020258762026
Reports by year, as a table
reports
1995168
1996453
1997788
1998731
1999608
2000786
2001908
2002864
2003848
2004578
2005448
2006596
2007516
2008616
2009627
2010781
20111,206
20121,347
20131,063
2014862
2015907
2016886
20171,311
20181,227
20191,215
20201,137
20211,031
2022950
20231,019
20241,160
20251,178
2026876

How it failed the condition found, last ten years

inoperative3,048discharged2,940no test2,523failed1,736faulted361defective337faulty273none176weak59low55
Conditions found, as a table
reports
inoperative3,048
discharged2,940
no test2,523
failed1,736
faulted361
defective337
faulty273
none176
weak59
low55

Engines most often reporting it

Approved replacement parts 711 parts manufacturer approvals

A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a battery and sell it as an approved part for the models named. These are the companies holding such approvals for a battery:

For these models most: Boeing 737 (45), Bombardier CL-600 Challenger and CRJ (39), Airbus A321 (25), Boeing 777 (23), Boeing 747 (22), Airbus A320 (22), Boeing 767 (17), Airbus A319 (17), Aerospatiale/Aeritalia ATR 42 (17), Beechcraft 400 Beechjet (14), Boeing 757 (13), Boeing 727 (13).

MakerPartReplacesFitsGrantedStatus
Concorde Battery CORPBattery RG-380E/46Modification ArticleBritish Aerospace... Jetstream ModModel 32012026-05-06current
Concorde Battery CORPBattery RG-380E/40BModification ArticleBritish Aerospace... Jetstream ModModel32012026-05-06current
Concorde Battery CORPBattery RG-380E/44Modification ArticleBritish Aerospace... JetstreamModel 32012026-05-06current
Concorde Battery CORPBattery RG-380E/53LModification ArticleTextron Aviation 680A2026-03-26current
Concorde Battery CORPBattery RG-380E/60LModification ArticleTextron Aviation 680A2026-03-26current
Concorde Battery CORPBattery RG-380E/60LModificationArticleATR – GIE Avions de... ATR42-200, ATR42-300, ATR42-3202026-01-22current
Concorde Battery CORPBattery RG-380E/53LModificationArticleATR – GIE Avions de... ATR42-200, ATR42-300, ATR42-3202026-01-22current
Concorde Battery CORPBattery RG-380E/44ModificationArticleATR – GIE Avions de... ATR42-200, ATR42-300, ATR42-3202026-01-22current
Concorde Battery CORPBattery RG-42ModificationArticleATR – GIE Avions de... ATR42-200, ATR42-300, ATR42-3202026-01-22current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4078-194078-19Textron Aviation Inc 208B2025-11-24current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-313214-31Airbus SAS A321-253NY2025-09-10current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-310355-1988-1The Boeing Company MD-11, MD-11F2025-09-05current
Safran Cabin INC.Battery/ Inventer Assy 145-26665-407145-26665-407Embraer S.A. EMB-135LR, EMB-145LR2025-08-18current
Safran Cabin INC.Battery/ Inventer Assy 145-26665-403145-26665-403Embraer S.A. EMB-145ER2025-08-18current
Safran Cabin INC.Battery/ Inventer Assy 145-26665-405145-26665-405Embraer S.A. EMB-135ER, EMB-135LR, EMB-135KL2025-08-18current
Aero Design Inc/A Heico Aerospace CompanyBattery Assembly AD-61-0478-961-0478-9General Atomics... Dornier 228-2122025-08-05current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-55-2198-155-2198-1General Atomics... Dornier 228-2122025-08-05current
B/E Aerospace, INC, Business Jet Group, Aerospace Lighting CorporationBATTERY, EMERGENCY 7450LS-007450LS-00Embraer SAS EMB-550EMB-5452025-01-24current
B/E Aerospace, INC, Business Jet Group, Aerospace Lighting CorporationBATTERY, EMERGENCY 7450LS-007450LS-00Embraer SAS EMB-5052025-01-24current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4063P2017Leonardo S.p.a. AW1392024-05-21current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-2013-1A2013-1ALeonardo S.p.a. AW1392024-05-21current
Concorde Battery CORPBattery RG-390EModification PartEmbraer S.A. EMB-5002023-12-27current
Concorde Battery CORPBattery RG-390E/30Modification PartEmbraer S.A. EMB-5002023-12-27current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-D717-01-100D717-01-100The Boeing Company 737-82002023-02-03current
Concorde Battery CORPBattery RG-380E/53LSAFTP/N: 5317CH1Gulfstream GV, GV-SP2022-12-22current
Concorde Battery CORPBattery RG-380E/53LGulfstream P/N: 1159SCAV519-1Gulfstream GV, GV-SP2022-12-22current
Aero Design Inc/A Heico Aerospace CompanyBattery Assy AD-38451-00438451-004 Israel Aircraft... 1121, 1121A, 1121B2022-10-27current
Concorde Battery CORPBattery RG-220Teledyne Battery Products (Gill) P/N: PS12-24P-11Air Tractor AT-402, AT-402A, AT-402B2022-07-15current
Concorde Battery CORPBattery RG-220Teledyne Battery Products (Gill)P/N: G-246Air Tractor AT-402, AT-402A, AT-402B2022-07-15current
Concorde Battery CORPBattery RG-220Teledyne Battery Products (Gill)P/N: 7246-20Air Tractor AT-402, AT-402A, AT-402B2022-07-15current
Eldec CorporationBattery, Nickel Cadmium, Aircraft, Low Maintenance BA35-02S282T003-4Boeing 747-8F Series2022-07-12current
Eldec CorporationBattery BA27-01S281W501-2Boeing 777-200 Series, 777-300 Series2022-07-12current
Eldec CorporationBattery BA06-01S282T002-1Boeing 737-500 Series, 737-400 Series,...2022-07-12current
Eldec CorporationBattery BA27-01S281W501-2Boeing 777F Series2022-07-12current
Eldec CorporationBattery BA35-01S283T003-1Boeing 737-600 Series, 737-700 Series,...2022-07-12current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-313214-31Airbus SAS A320 Model -253N, A330-9412022-06-28current
Astronics - LsiBattery P4-01-0014F-110Air Cruisers P/N C15097 SeriesBoeing 717 Series2022-06-28current
Astronics - LsiBattery P4-01-0014F-120Air Cruisers P/N C15097 SeriesBoeing 717 Series2022-06-28current
Astronics - LsiBattery P4-01-0014F-110DME P4-01-0014-210Boeing 717 Series2022-06-28current
Astronics - LsiBattery P4-01-0014F-120DME P4-01-0014-210Boeing 717 Series2022-06-28current
Astronics - LsiBattery P4-01-0031F-110DME P/N P4-01-0031-210Boeing 737-700 Aft Door Evacuation Slide2022-06-10current
Astronics - LsiBattery P4-01-0031F-110Air Cruisers P/N D19776 SeriesBoeing 737-700 Aft Door Evacuation Slide2022-06-10current
Astronics - LsiBattery P4-01-0031F-110Air Cruisers P/N D19776 Series Boeing 737-300, 737-400, 737-500 Forward...2022-06-10current
Astronics - LsiBattery P4-01-0031F-110DME P/N P4-01-0031-210Boeing 737-300, 737-400, 737-500 Forward...2022-06-10current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-804747804747Dassault Aviation Falcon 2000EX2022-04-13current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-804745804745Dassault Aviation Falcon 900EX, Falcon 2000EX2021-10-27current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-804749804749Dassault Aviation Mystere-Falcon 900, Falcon 900EX2021-10-27current
Garmin International INCBattery 011-03893-02Modification PartSee Approved Model... See Approved Model List for STC SA01818WI2021-09-03current
Idd Aerospace CorporationBATTERY 9008-460B40053-4The Boeing Company 747-400 SERIES, 747-400D SERIES, 747-8 SERIES2021-06-28current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-312BS801-1Acme Aerospace P/N: 312BS801-1 The Boeing Company 747-400F Series757-200 Series2021-05-17current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3301-31Diehl Aerospace P/N: 3301-31Gulfstream Aerospace... GV2021-05-17current
Concorde Battery CORPBattery RG24-15MModification PartCirrus Design SR22T2020-12-06current
Concorde Battery CORPBattery RG-641Modification PartEnstrom Helicopter... 480, 480B2020-12-02current
Concorde Battery CORPBattery RG-41/53Piper P/N 601-910Piper Aircraft Inc. PA-46-500TP (M500), PA-46-600TP (M600)2020-09-02current
Concorde Battery CORPBattery RG-41/53Concorde Battery P/N RG-41Piper Aircraft Inc. PA-46-500TP (M500), PA-46-600TP (M600)2020-09-02current
Concorde Battery CORPBattery RG-365Saft P/N 40208-2Airbus Helicopters, Inc. SA-365N, SA-365N1, AS-365N22020-09-01current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-31Diehl Aerospace P/N 3214-31Airbus SAS A320 Model -252N, A320 Model -272N,...2020-04-05current
Teledyne Battery ProductsBattery 7242-14Concorde RG24-15Robinson Helicopter Company R44, R44 II2020-01-21current
Teledyne Battery ProductsBattery 7242-16Concorde RG24-15Robinson Helicopter Company R44, R44 II2020-01-21current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4063PRadiant Power P/N 2017Gulfstream Aerospace... GV, GV-SP2020-01-05current
Concorde Battery CORPBattery RG-380E/40GH-6Teledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/60GH-6Teledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/46GH-6Teledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/44GH-6Teledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/46GHTeledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/40GHTeledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/60GHTeledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/53GHTeledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/44GHTeledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Concorde Battery CORPBattery RG-380E/53GH-6Teledyne Battery Products P/N 7638-38HT...Gulfstream Aerospace LP G2802019-12-12current
Luminator Holding, LPBattery Assembly, D Cell (Ni Cad) 20131ALP20131ALPThe Boeing Company 767-304, -306, -3162019-11-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4078-24Saft P/N 4078-24 and 024632-000Bombardier Inc. CL-600-2C11 (Regional Jet Series 550)2019-10-20current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-1756-3Saft P/N 1756-3 and 024637-000Bombardier Inc. CL-600-2C11 (Regional Jet Series 550)2019-10-20current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4063PRadiant Power P/N 2017Bombardier Inc. CL-600-2C11 (Regional Jet Series 550)2019-10-20current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-2013-1ARadiant Power P/N 2013-1ABombardier Inc. CL-600-2C11 (Regional Jet Series 550)2019-10-20current
Teledyne Battery ProductsBattery 7025-24Concorde RG-25XCRobinson Helicopter Company R22, R22 ALPHA, R22 BETA2019-09-16current
Aero Design Inc/A Heico Aerospace CompanyBattery Assembly AD-549-1324-04L3 Avionic Systems P/N 549-1324-04Textron Aviation Inc. 525) Piper Aircraft Inc (PA-46-500TP2019-07-23current
Hamilton Sundstrand CorporationBattery - 24 V, 27 AH, NI-CD 5917473-25917473-2Embraer ERJ 190-4002019-06-17current
Concorde Battery CORPBattery RG-390E/30Modification PartEmbraer EMB-5052019-06-03current
Concorde Battery CORPBattery RG-390EModification PartEmbraer EMB-5052019-06-03current
Concorde Battery CORPBattery RG-380E/44Modification PartEmbraer EMB-5052019-06-03current
Concorde Battery CORPBattery RG-380E/60LModification PartEmbraer EMB-5052019-06-03current
Concorde Battery CORPBattery RG-380E/53LModification PartEmbraer EMB-5052019-06-03current
Concorde Battery CORPBattery RG-380E/53LModification PartsTextron Aviation 525C (CJ4)2019-05-14current
Concorde Battery CORPBattery RG-380E/60LModification PartsTextron Aviation 525C (CJ4)2019-05-14current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-31Diehl Aerospace P/N 3214-31Airbus SAS A320 Model -216, A321 Model -271N,...2019-04-29current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-25503-010Honeywell P/N 25503-010Bombardier Inc. DHC-8-100 Series, DHC-8-200 Series,...2019-02-19current
Aero Design Inc/A Heico Aerospace CompanyBattery Assembly AD-61-0399-1Honeywell P/N 61-0399-1The Boeing Company 757-200 Series2019-01-06current
Concorde Battery CORPBattery RG-292-102Modification PartSikorsky S-92A2018-12-17current
Concorde Battery CORPBattery RG-292-103AModification PartSikorsky S-92A2018-12-17current
Concorde Battery CORPBattery RG-380E/46LModification PartGulfstream GIV-X (G350), GIV-X (G450)2018-12-13current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-31Diehl Aerospace P/N 3214-31Airbus SAS A321 Model -251NX2018-11-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-BTSP-4445LMarathonNorco Aerospace P/N BTSP-4445L and...Embraer S.A. EMB-135KE, EMB-135KL, EMB-135BJ2018-11-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-31Diehl Aerospace P/N 3214-31Airbus SAS A321 Model -251NX2018-11-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-BTSP-4445LMarathonNorco Aerospace P/N BTSP-4445L and...Embraer S.A. EMB-135KE EMB-135KL EMB-135BJ...2018-11-11current
Concorde Battery CORPBattery RG-442Modification PartEmbraer 145, 145ER, 145MR2018-10-24current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-2758SAFT P/N 2758Airbus SAS A321 Model -251NX2018-10-14current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3214-31Diehl Aerospace P/N 3214-31Airbus SAS A320 Model -251N, A320 Model -271N,...2018-08-14current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-312BS801-1Acme Aerospace P/N 312BS801-1The Boeing Company 737-8, 737-92018-07-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3301-31Diehl Aerospace P/N 3301-31Embraer S.A. EMB-135BJ2018-07-11current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-2758SAFT P/N 2758Airbus SAS A320 Model -251N, A320 Model -271N,...2018-07-01current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-1658-6SAFT P/N 1658-6ATR - GIE Avions de... ATR72-101, ATR72-201, ATR72-1022018-06-28current
Saft America INCBattery Assembly 024147-000024147-000Boeing 737-82018-06-25current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-301-3017NEC Aero P/N 301-3017ATR - GIE Avions de... ATR42-200, ATR42-300, ATR42-3202018-05-17current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-D717-01-100UTC Aerospace Systems P/N D717-01-100The Boeing Company 737-92018-05-03current
Hamilton Sundstrand CorporationBattery-24V, 27 AH, NI-CD 5917473-25917473-2Embraer ERJ 190-3002018-03-21current
Hamilton Sundstrand CorporationBattery-24V, 27 AH, NI-CD 5917473-25917473-2Embraer ERJ 190-3002018-03-21current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-5776-1Luminescent Systems P/N 5776-1Sikorsky Aircraft Corporation S-76A, S-76B, S-76C2017-12-13current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-D717-01-100UTC Aerospace Systems P/N D717-01-100The Boeing Company 747-8 Series, 737-82017-11-19current
Aero Design Inc/A Heico Aerospace CompanyBattery Assembly AD-61-0478-9Honeywell P/N 61-0478-9Airbus Defense and Space S.A. C-212-CC, C-212-CD, C-212-CE2017-11-19current
Saft America INCBattery Assembly 416392C07500016-001Bombardier BD-500-1A10, BD-500-1A112017-11-07current
Concorde Battery CORPBattery RG-25XCRG-25XCWaco YMF-5C2017-10-18current
Concorde Battery CORPBattery RG-25XCRG-25XCGreat Lakes 2T-1A-22017-10-18current
Concorde Battery CORPBattery RG-624Marathon P/N 369D296503 or Marathon P/N...MDHI Hughes) (369D, 369E, 369F2017-10-18current
Concorde Battery CORPBattery RG-12LSARG-12LSAGreat Lakes 2T-1A-22017-10-18current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-2013-1ARadiant Power P/N 2013-1AThe Boeing Company 747-8F Series, 747-8 Series2017-09-12current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-4063PRadiant Power P/N 2017The Boeing Company 747-8F Series, 747-8 Series2017-09-12current
Concorde Battery CORPBattery RG-380E/40DMarathon P/N 30874-001 or SAFT P/N 40176-7Boeing 737-300 Series, 737-400 Series,...2017-08-22current
Concorde Battery CORPBattery RG-390E/30RG-390ETextron Aviation 5102017-08-21current
Concorde Battery CORPBattery RG-380E/60LCessna P/N 9914058-6 or P/N 9914058-11 or...Cessna Textron 680 Sovereign2017-05-29current
Concorde Battery CORPBattery RG-380E/53LCessna P/N 9914058-6 or P/N 9914058-11 or...Cessna Textron 680 Sovereign2017-05-29current
Concorde Battery CORPBattery RG-407Marathon Part Numbers 27515-002, 31517-002 or...Augusta A109A, A109C, A109E2017-04-11current
Concorde Battery CORPBattery RG-427Marathon Part Numbers 31908-001Bell 4272017-04-11current
Concorde Battery CORPBattery RG-427Marathon Part Number 31908-001 or SAFT Part...Bell 4072017-04-11current
Concorde Battery CORPBattery RG-407Marathon Part Numbers 31908-001, 39563-001Bell 4302017-04-11current
Concorde Battery CORPBattery RG-407Marathon Part Number 31908-001 or SAFT Part...Bell 4072017-04-11current
Concorde Battery CORPBattery RG-407Marathon Part Numbers 31908-001Bell 4272017-04-11current
Hamilton Sundstrand CorporationBattery 5915609-2C07500016-001Bombardier BD-500-1A10, BD-500-1A112017-03-07current
Aero Design INCBattery Assembly AD-61-0399-1Honeywell P/N 61-0399-1Beechcraft Corporation MU-300, 400, 400A2017-01-29current
Concorde Battery CORPBattery RG-407SAFT PN 2778Augusta AB 139, AW 1392016-12-15current
Concorde Battery CORPBattery RG-380E/44LSAFT PN M -44-22Augusta AB 139, AW 1392016-12-15current
Concorde Battery CORPBattery RG-380E/60LSAFT PN M -44-22Augusta AB 139, AW 1392016-12-15current
Concorde Battery CORPBattery RG-332-1SAFT P/N 40208-1 or 40308-1Airbus Helicopters AS332C, AS332C1, AS332L2016-11-13current
Concorde Battery CORPBattery RG-332-2SAFT P/N 40208-5 or 40308-5Airbus Helicopters AS332C, AS332C1, AS332L2016-11-13current
Aero Design INCBattery AD-2013-1ARadiant Power P/N 2013-1AGulfstream GV, GV-SP2016-11-06current
Concorde Battery CORPBattery RG-380E/44Modification PartBombardier, Inc DHC-8-100 Series, DHC-8-200 Series,...2016-09-22current
Concorde Battery CORPBattery RG-380E/60LModification PartBombardier, Inc DHC-8-100 Series, DHC-8-200 Series,...2016-09-22current
Concorde Battery CORPBattery RG-380E/44SAFT PN 4076-9Embraer EMB-120, EMB-120RT, EMB-120ER2016-08-21current
Concorde Battery CORPBattery RG-380E/46SAFT PN 4076-9Embraer EMB-120, EMB-120RT, EMB-120ER2016-08-21current
Concorde Battery CORPBattery RG-380E/40BSAFT PN 4076-9Embraer EMB-120, EMB-120RT, EMB-120ER2016-08-21current
Aero Design INCBattery AD-804747SAFT P/N 804747Dassault Aviation Mystere-Falcon 20 -C5,...2016-08-15current
Hamilton Sundstrand CorporationBattery 5915609-2C07500016-001Bombardier BD-500-1A102016-06-26current
Aero Design INCBattery AD-804747SAFT P/N 804747Dassault Aviation Mystere-Falcon 50, Mystere-Falcon...2016-06-16current
Aero Design Inc/A Heico Aerospace CompanyBattery AD-3117-01Diehl Aerospace P/N 3117-01Airbus A300, Model B2-1A, A3002016-04-05current
Acme Aerospace INCBATTERY 404BA101-2Embraer P/N 550-99384-801Legacy EMB-550, EMB-545 (450/500)2016-04-04current
Concorde Battery CORPBattery RG-300Marathon MA-300HViking Air Limited DHC-6-1, DHC-6-100, DHC-6-2002015-10-12current
Concorde Battery CORPBattery RG-380E/44Viking Air Limited C6N1102, C6N1062-1,...Viking Air Limited DHC-6-1, DHC-6-100, DHC-6-2002015-10-12current
Concorde Battery CORPBattery RG-380E/60LViking Air Limited C6N1102, C6N1062-1,...Viking Air Limited DHC-6-1, DHC-6-100, DHC-6-2002015-10-12current
Aero Design INCBattery AD-2013-1ARadiant Power P/N 2013-1AGulfstream GV, GV-SP2015-10-03current
Concorde Battery CORPBattery RG-222General Electric PN 43B010RB03 or Eagle...Bell Helicopters 222, 222B2015-09-21current

The first 150 of 400.

Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.