Service Information: Hartzell Engine Technologies
Alternative Names: (PlanePower)
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Table of Contents
Application Charts • Flight Manual Supplements • Installation Instructions • Maintenance & Overhaul Manuals • Maintenance Manuals • Miscellaneous • Owner's Manuals • PMA Supplements • Replacement Instructions • Service Bulletins • Service Information Letters • Service Instructions • Service Letters • Troubleshooting Guides
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| AC ALE | en | ALE Series | ||
| AC ALH | en | ALH Series (obsolete) | ||
| AC ALM | en | ALM Series (obsolete) | ||
| AC ALT | en | ALT Series | ||
| AC Alt | en | Alternator/Starter | ||
| AC Alt | en | Alternator/Starter | ||
| AC ALU | en | ALU Series | ||
| AC ALV | en | ALV Series | ||
| AC ALX | en | ALX Series | ||
| AC ALY-6520 | en | ALY-6520 to 6527 Series | ||
| AC ALY-8520 | en | ALY-8520 to 8526 Series | ||
| AC ALZ | en | ALZ Series | ||
| AC ANG | en | ANG Series (obsolete) | ||
| AC Chrysler | en | Chrysler Series | ||
| AC Chrysler | en | ES Chrysler Series | ||
| AC ES4000 | en | ES4000 Series (Lg Frame Belt Driven) | ||
| AC ES4000 | en | ES4000 Series (Sm. Frame Belt Driven) | ||
| AC ES4000 | en | ES4000 Series (Sm. Frame Gear Driven) | ||
| AC Ford | en | Ford Series (Sm. Frame Belt Driven) | ||
| AC Ford | en | Ford Series (Lg Frame Belt Driven) | ||
| AC Ford | en | Ford Series (Sm. Frame Gear Driven) |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Supp 001 | 1 | en | Belt Driven Alternator Conversion - SAL 12-70C, SAL 12-70 | 7/20/2015 |
| Supp 002 | 1 | en | Belt Driven Alternator Conversion - TAL 12-70, TAL 24-70, TAL 24-70C | 7/20/2015 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| II 10-1001 | C | en | AL12-70 | 11/18/2014 |
| II 10-1020 | en | AL12/24, 60/70 amp Alternator - Brush Assembly Inspection/Replacement | ||
| II 10-2001 | K | en | AL12-C60 | 11/19/2014 |
| II 10-3001 | J | en | AL12-P70 | 11/19/2014 |
| II 10-4001 | P | en | AL12-F60/AL12-F60C | 11/19/2014 |
| II 10-5001 | en | AL24-70 | 12/26/2005 | |
| II 10-6001 | K | en | AL24-P70 | 11/19/2014 |
| II 10-7001 | R | en | AL24-F60/AL24-F60C | 11/19/2014 |
| II 10-7011 | E | en | AL24-FS60 | 11/19/2014 |
| II 11-1001A | F | en | ER14-50 | 7/2/2018 |
| II 11-1013 | en | ER14-50 Brush Assembly | ||
| II 11-1043 | en | AL12-EI60, C14-50 and EX14-50 - Brush Assembly | 11/19/2014 | |
| II 11-1043 | revised | en | AL12-EI60, C14-50 and EX14-50 - Brush Assembly | |
| II 12-1001 | L | en | R1224 Regulator | 9/9/2018 |
| II 12-1001 | M | en | R1224 Regulator | 12/1/2021 |
| II 15-1000 | H | en | C28-150, CD14-100, C28-150S, C14-100S | 10/25/2017 |
| II 16-1001 | A | en | FSl-14B | 12/16/2014 |
| II 16-1001 | B | en | FSl-14B | 5/26/2015 |
| II 16-1001 | B | en | FSl-14B | 3/8/2021 |
| II 17-999-1 | en | Replacing Brush Assembly | ||
| II 17-1001 | D | en | ALT-FLX | |
| II 17-1001 | F | en | ALT-FLX | 4/25/2022 |
| II 17-1001 | G | en | ALT-FLX | 11/14/2022 |
| II 99-9900B | F | en | AL 12-E160/B | 12/18/2014 |
| II 99-9900C | F | en | AL 12-E160/C | 12/18/2014 |
| II 99-9901B | B | en | AL12-E170/B | 5/27/2015 |
| II 10122 | T | en | HT | 11/9/2016 |
| II 51001 | A | en | FST2 | 12/1/2016 |
| II 70001 | K | en | ST2 | 3/8/2017 |
| II 71001 | A | en | Push Button Starter Switch Assembly | 2/2/2017 |
| II 704570-1 | en | Turbocharger | 10/1/2010 | |
| II 4111810R | en | Alternator Assembly (P/N 69670-04) (Piper) | ||
| II F0322 | en | X-Drive Starters | 10/1/2010 | |
| II HET-FDBP-0804 | en | Correct Assembly of Fan & Dished Backing Plate | ||
| II KAES-RTBD-0804 | en | Ratchet-Type Barrel Drive | ||
| II ST20101 | K | en | LS/PM | 10/20/2016 |
| II ST21001 | B | en | XLT | 10/20/2016 |
| II ST25001 | J | en | NL | 6/26/2019 |
| II ST25003 | en | NL Shear Pin | 2/18/2020 | |
| II ST40001 | A | en | ST4 | 10/20/2016 |
| II ST60001 | E | en | ST5 | 2/28/2020 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| MOM ES1025 | en | Alternator - ES-10024B (-1, -2, -3, -4, -5, -5LS, -6) | 12/12/2013 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| MM ES1031 | A | en | Alternator [ES-10024B-1, ES-10024B-5LS, ES-10024B-2, ES-10024, ES-10024B-3, ALV-9610, ES-10024B-4, ES-6024D, ES-10024B-5] | 8/11/2021 |
| MM ES1031 | B | en | Alternator [ES-10024B-1, ES-10024B-5LS, ES-10024B-2, ES-10024, ES-10024B-3, ALV-9610, ES-10024B-4, ES-6024D, ES-10024B-5] | 4/20/2022 |
| MM ES1031 | C | en | Alternator [ES-10024B-1, ES-10024B-5LS, ES-10024B-2, ES-10024, ES-10024B-3, ALV-9610, ES-10024B-4, ES-6024D, ES-10024B-5] | 5/16/2022 |
| MM ES1031 | D | en | Alternator [ES-10024B-1, ES-10024B-5LS, ES-10024B-2, ES-10024, ES-10024B-3, ALV-9610, ES-10024B-4, ES-6024D, ES-10024B-5] | 9/21/2023 |
| MM PM6001 | en | Magneto Series - ES4300, ES6300 | 9/9/2024 | |
| MM PP2003 | en | Alternator: C14-100, C14-100S, C28-150, C28-150S, 15-2000-6, 15-2000-4 | 10/24/2022 | |
| MM PP2005 | en | Alternator FS2-20 | 11/17/2023 | |
| MM PP2013 | en | Alternators: AL24-P70-3 & AL24-P70-4 | 5/13/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| OM 99M90 | en | Combustion Heater I-Series Heaters | 5/9/2012 | |
| OM ES1031 | en | Alternators ES-10024B-( ), ES-10024-( ), ALV-9610 & ES-6024D | 5/5/2016 | |
| OM ES1032 | en | Alternator ES-6904 | 8/4/2016 | |
| OM ES1035 | en | Combustion Heater P/N ES1035 Janitrol Aero Modified Meggitt/South Wind Heater 8240-A, 8240-C, 8240-E, 8259-A, 8259-C, 8259-DL, 8259-FL1, 8259-GL1, 8259-GL2, 8259-HL1, 8259-HL2, 8259-L, 8259-HR2, 8259-JR2, 8259-M, 8472-C, 8472-D, 8472-E | 8/25/2017 | |
| OM PP2001 | en | Alternators ES-6012-( ), ES-6024-( ), ES-7012-( ) & ES-7024-( ) | 2/3/2020 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Supp 25 | en | PG1383CS-D | 4/16/2015 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| RI FS1-14 | en | FS1-14 p/n 41189 Regulator/Brush Assembly | ||
| RI FS1-14B | en | FS1-14B p/n 11-1043 Regulator/Brush Assembly |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SB 020 | en | 406610-9005 (Cessna P/N: C295001-0101) Turbochargers with missing anti-rotation pins | 10/17/2001 | |
| SB 022 | A | en | Recommended Service / Inspection | 9/1/2004 |
| SB 033 | en | Manadatory Alternator Fan and Pulley Replacement | 7/10/2008 | |
| SB 035 | en | Mandatory Use of Unauthorized Parts in HET Turbochargers & Turbo Valves and Controllers | 7/14/2009 | |
| SB 036 | en | Mandatory Use of Authorized HET P/N 400600-0000 Turbocharger Overhaul & Maintenance Manual | 7/14/2009 | |
| SB 037 | en | Mandatory Use of Authorized HET P/N 400999-0000 Turbocharger Valves and Controller Overhaul & Maintenance Manual | 7/8/2009 | |
| SB 040 | en | Turbocharger CHRA Contamination | 11/9/2010 | |
| SB 040 | A | en | Turbocharger CHRA Contamination | 12/22/2010 |
| SB 041 | en | 201F Fuel Pump - Shaft Seal Leak | 6/10/2011 | |
| SB 041 | A | en | 201F Fuel Pump - Shaft Seal Leak | 3/5/2012 |
| SB 042 | en | Turbocharger Journal - Bearing Recall | 6/30/2011 | |
| SB 043 | en | X-Drive Starter Fit | 11/2/2011 | |
| SB 044 | en | Alternator Recall for Installation of Improper Wave Retainer | 11/7/2011 | |
| SB 045 | en | 201F Fuel Pump - Inspection & Recall | 3/8/2012 | |
| SB 047 | en | Alert Turbocharger P/N 406610-0005 or -9005 & Turbocharger Center Housing P/N 409836-0005 Recall | 5/8/2012 | |
| SB 048 | en | AlertTurbocharger TAO411 - P/N 410188-0019 Turbine Wheel Replacement | 11/16/2012 | |
| SB 048 | 1 | en | AlertTurbocharger TAO411 - P/N 410188-0019 Turbine Wheel Replacement | 12/5/2012 |
| SB 048 | 3 | en | AlertTurbocharger TAO411 - P/N 410188-0019 Turbine Wheel Replacement | 11/4/2013 |
| SB 050 | en | Alternator HET P/N ASG12000 Series - Replacement | 1/10/2013 | |
| SB 051 | en | Replacement of P/N 69C13 Base in 65C30 Series Sealed Control Assembly | 5/3/2013 | |
| SB 053 | en | Alternator HET P/N ASG12000 (-1, -2, & -3) - Housing Gap Check | 7/16/2013 | |
| SB 054 | en | Alternator P/N ES-13070-1 - Fan Replacement | 9/26/2013 | |
| SB 056 | en | 201F Fuel Pump Valve Assembly Leakage | 12/12/2013 | |
| SB 056 | 1 | en | 201F Fuel Pump Valve Assembly Leakage | 4/1/2015 |
| SB 057 | en | Alert Turbocharger - Back Plate Assembly P/N 406795-0058 Replacement | 2/11/2014 | |
| SB 058 | en | Turbocharger - Back Plate Assembly - Replacement at Overhaul | 4/15/2015 | |
| SB 058 | A | en | Turbocharger - Back Plate Assembly - Replacement at Overhaul | 6/16/2021 |
| SB 059 | en | Alternator Inspection for Burrs in the Rotor Shaft Hex Key Socket | 4/7/2014 | |
| SB 060 | 1 | en | Alert Turbocharger P/N 441320-0007 Center Housing Inspection | 8/28/2014 |
| SB 061 | en | Alternator Model ALU-6539-4 - Installation of Missing Spacer | 4/15/2015 | |
| SB 062 | en | Alternator Models ALU, ALX & ALY Series HET P/N ALA-0020G Through Bolt Replacement | 7/13/2015 | |
| SB 063 | en | Alternator Models ALT Belt & ALX Gear Series HET P/N ALA-0020G Through Bolt Replacement | 7/13/2015 | |
| SB 064 | en | Alternator Model ALV-9610 Series through Bolt Inspection for Proper Torque | 8/11/2015 | |
| SB 065 | en | 201F Fuel Pump Valve Housing Cap Screw Replacement | 8/31/2015 | |
| SB 066 | en | Gear Driven Alternator Rotor Replacement HET Models ALX-9522, ALX-9524, & ALT-9522 | 9/15/2016 | |
| SB 067 | en | Turbocharger Wastegate Poppet Valve Replacement - HET Part Number 477285-0002 | 9/1/2016 | |
| SB 068 | en | Jasco Alternator Wire Harness - Wire Chafing Protection or Replacement | 11/15/2016 | |
| SB 068 | 1 | en | Jasco Alternator Wire Harness - Wire Chafing Protection or Replacement | 8/28/2017 |
| SB 069 | en | Alert 200F, 201F, 202F Fuel Pump Leak Inspection and Diaphragm Replacement | 1/25/2017 | |
| SB 070 | en | Alternator Model ALV-9510R Rotor Shaft O-Ring and Spacer Replacement | 3/2/2017 | |
| SB 071 | en | Alert Combustion Heater P/N CD14048 or CD14048-1 - Heater Pressure Decay Test Requirement | 5/30/2017 | |
| SB 072 | A | en | Alert Master Contactor Replacement | 1/25/2018 |
| SB 074 | en | Alert Turbocharger Center Housing Inspection | 12/5/2017 | |
| SB 074 | A | en | Alert Turbocharger Center Housing Inspection | 12/26/2017 |
| SB 075 | A | en | Alternator Drive Coupling Inspection | 4/17/2019 |
| SB 076 | A | en | Alert 200F, 201F, 202F Fuel Pump Leak Inspection and Diaphragm Replacement | 12/8/2022 |
| SB 077 | en | Alternator Nameplate Inspection | 1/19/2019 | |
| SB 078 | en | Alert Alternator Inspection | 5/7/2019 | |
| SB 079 | en | Turbocharger Wastegate and Valve Assembly Inspection | 6/13/2019 | |
| SB 079 | A | en | Turbocharger Wastegate and Valve Assembly Inspection | 7/10/2019 |
| SB 081 | A | en | Alert Alternator Castellated Hex-Nut Inspection | 9/19/2019 |
| SB 082 | en | Heater Combustion Blower Inlet Adapter Inspection | 9/11/2019 | |
| SB 085 | en | Alert Heater Fuel Pump Leak Inspection and Replacement | 4/9/2021 | |
| SB 086 | en | Alert Alternator Drive-End Bearing Replacement | 5/3/2021 | |
| SB 086 | A | en | Alert Alternator Drive-End Bearing Replacement | 2/15/2023 |
| SB 088 | en | Turbocharger Center Housing Inspection | 4/14/2022 | |
| SB 090 | en | Alternator Thru-Bolts | 4/27/2022 | |
| SB 090 | A | en | Alternator Thru-Bolts | 5/25/2022 |
| SB 096 | en | Alternator Bearing Retainer Replacement | 4/17/2023 | |
| SB 097 | en | Alert Alternator Mounting Flange Inspection | 3/21/2023 | |
| SB 098 | en | Alert 200F & 202F Fuel Pump Leak Inspection | 5/22/2023 | |
| SB 203 | en | Undersized Turbocharger Jounal Bearing | 8/28/2023 | |
| SB 205 | en | Turbocharger V-Band Torque Verification | 10/11/2023 | |
| SB 209 | en | Alternator Mounting Bracket Inspection | 10/4/2024 | |
| SB 210 | en | Alert Turbocharger Turbine Housing Inspection | 3/27/2024 | |
| SB 211 | en | Aircraft Starter Power-Lead Inspection | 4/24/2024 | |
| SB 211 | A | en | Alert Aircraft Starter Power-Lead Inspection | 3/13/2025 |
| SB 213 | en | Alert Turbocharger Turbine Housing Bolt P/N 400132-0301 Inspection | 5/15/2024 | |
| SB 217 | en | Aircraft Heater Alternate Blower Motor P/N 81251-1 | 10/23/2024 | |
| SB 221 | en | Alert Alternator Replacement: Continental O-300 Series Engines Only | 2/27/2025 | |
| SB 222 | en | Aircraft Heater Alternate Blower Motors | 3/14/2025 | |
| SB 224 | en | Alert Alternator Spacer P/N 41151 Inspection | 3/13/2025 | |
| SB 225 | en | Alert Inspection: Magneto P/N ES4371 & Impulse Coupling Assembly P/N ES3163 | 3/27/2025 | |
| SB A-101 | G | en | Aircraft Heater - Upgrade to I-Series | 8/22/2012 |
| SB A-104 | B | en | Janitrol B-Series Aircraft Heaters Combustion Air & Ventilation Air Blower Motors | 3/14/2001 |
| SB A-112 | A | en | Recall of Starters Due to Potential Failure of the Drive Gear Assembly | 11/24/2003 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SIL A-108 | A | en | New Regulator Valve Approved for Use in HET B4050 and B4500 Series Heaters Installed in Piper PA-31-350 | 1/6/2003 |
| SIL A-111 | en | Recommended Service/Inspection for Cessna 402C Exhaust By-Pass Valve Assembly | 2/7/2003 | |
| SIL A-122 | A | en | OE-A2 Overhaul Manual - Aircraft Alternator & Starter Rev. 04 Now Available | 11/15/2010 |
| SIL A-127 | B | en | 24E25-1 Aircraft Heater Overhaul & Maintenance Manual - Rev. D Now Available | 2/5/2010 |
| SIL A-127 | C | en | 24E25-1 Aircraft Heater Overhaul & Maintenance Manual - Rev. D Now Available | 2/28/2012 |
| SIL A-128 | B | en | 94E47 Overhaul Manual - Aircraft Heater Rev. C Now Available | 2/4/2010 |
| SIL A-130 | A | en | 400999-0000 Overhaul Manual - Aircraft Turbo, Valves & Controller Rev. B Now Available | 10/26/2009 |
| SIL A-132 | en | Hartzell Engine Technologies* Starter Installation and Duty Cycle Requirements | 3/12/2009 | |
| SIL A-133 | en | 400600-0000 Overhaul Manual - Aircraft Turbocharger Rev. A Now Available | 2/27/2009 | |
| SIL A-137 | en | ES-6012-6 & ES-7024-11 & -14 Alternators - Continued Airworthiness (ICA) & Brush | 3/9/2011 | |
| SIL A-138 | en | ES-7024-14 Alternator Inspection & Diode Cover Replacement | 11/17/2010 | |
| SIL A-139 | en | TEO6 Model Turbocharger - Alternate Thrust Bearing | 4/1/2011 | |
| SIL A-140 | en | Gear Driven Alternator - Shipping Hardware | 3/11/2011 | |
| SIL A-140 | 1 | en | Gear Driven Alternator - Shipping Hardware | 7/7/2014 |
| SIL A-141 | en | Direct Drive Starter Motor - Torque & Drive Shaft Tolerance | 4/1/2011 | |
| SIL A-142 | en | Turbocharger Installation and Turbine Housing Mounting Tab Shim Washers | 3/29/2011 | |
| SIL A-144 | en | 65C30 Series Sealed Control Solenoid Valve & Clamp Replacement | 12/9/2011 | |
| SIL A-144 | 1 | en | 65C30 Series Sealed Control Solenoid Valve & Clamp Replacement | 8/28/2017 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SI 09-01PP | en | Plane Power Brush Inspection/Replacement | 9/22/2009 | |
| SI A-105 | B | en | Documentation Procedure for Installation of New Factory Rebuilt Janitrol Heaters | 3/21/2003 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| SL 019 | B | en | Reissue and Supercedure of Turbocharger Overhaul Manual | 5/20/2006 |
| SL 020 | en | Availability of the Overhaul & Maintenance Manual for 200F &201F Fuel Pumps | 6/1/2006 | |
| SL 021 | en | Availability & Supercedure of the Turbocharger Valves & Controls Service & Overhaul Manual | 1/5/2007 | |
| SL 023 | en | Availability of Janitrol B Series Aircraft Heater Service & Overhaul Manuals P/N 24E25-1 & P/N 94E47 | 1/31/2007 | |
| SL 025 | en | Announcement of Supercedure of Certain Hartzell Engine Technologies Magna Flite Starters | 2/12/2008 | |
| SL 038 | en | Technical Discussion Regarding Starter Adapters & M-Drive Starters | 10/1/2010 | |
| SL 040 | en | Magneto Bearing Usage | 10/6/2011 | |
| SL 042 | en | Supersedure of P/N 409836-0005 Turbocharger Center Housing | 7/19/2012 | |
| SL 044 | en | THO867 & THO871 Model Turbochargers - Alternate Thrust Bearing | 10/24/2012 | |
| SL 045 | en | I-5000 Combustion Heater - Data Plate Misprint | 6/26/2013 | |
| SL 047 | en | Commutator End Bearing Supersedure - PM Series Starters | 10/23/2013 | |
| SL 048 | en | 201F Fuel Pump - Seal, Bearing, & Pump Housing Part Supersedure | 1/15/2014 | |
| SL 048 | 1 | en | 201F Fuel Pump - Seal, Bearing, & Pump Housing Part Supersedure | 7/7/2014 |
| SL 050 | en | Alternator - Spare Parts Release - HET P/N ES-10024B-6 | 12/9/2013 | |
| SL 051 | en | Alternator - Spare Parts Release - HET P/N ES-4024LP-( ) | 12/9/2013 | |
| SL 052 | en | Alternator - Spare Parts Release - HET P/N ALU-6539-3 & -4 | 12/9/2013 | |
| SL 053 | en | Alternator - Spare Parts Release - HET P/N ES-10024B-2 | 2/23/2015 | |
| SL 054 | en | Alternator - Spare Parts Release - JASCO Type HET Alternators | 4/7/2015 | |
| SL 056 | en | Fuel Pump - Spare Parts Release - HET P/N 202F-1001 & 202F-1002 | 2/23/2015 | |
| SL 057 | en | 200F Series Fuel Pump - Improved Blade | 1/9/2015 | |
| SL 058 | en | Turbocharger - P/N CF600400-00 - Turbine Housing Gasket Supersedure | 7/7/2015 | |
| SL 059 | en | Combustion Heater - Improved Cycling Switch Installation | 4/4/2016 | |
| SL 060 | en | CD Series Combustion Heater Fuel Shroud & Hardware Supersedure | 3/2/2018 | |
| SL 073 | en | TA04 & TA36 Turbocharger Left-Hand Thread - Turbine Wheel Assembly Change Notification | 2/6/2018 | |
| SL 076 | en | South Wind Heater Inspection | 8/28/2018 | |
| SL 080 | en | 122NL, 149NL, and 149NLR Series Starter Voltage Application | 7/19/2019 | |
| SL 089 | en | Wastegate Expander Ring | 3/11/2022 | |
| SL 091 | en | 149NL/EC Kickback Protection | 4/22/2022 | |
| SL 099 | en | Exhaust Bypass Valve FAA PMA Replacement Part | 5/25/2023 | |
| SL 201 | en | Aircraft Starter Solenoid Replacement | 7/24/2023 | |
| SL 214 | en | Ignition Harness Maintenance Instructions | 6/4/2024 | |
| SL 216 | en | Turbocharger Pressure Controller Screw P/N Update | 7/13/2024 | |
| SL 218 | en | ES-4020 Series Alternator Parts Supersedure | 9/4/2024 | |
| SL 223 | en | Turbocharger 465398-2 BOM Update | 1/27/2025 |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| TG F0371 | revised | en | Installation, Maintenance & Troubleshooting: Alternator | 8/31/2018 |
| TG SE Ext | en | All Single Engine Externally Regulated Alternators | ||
| TG SE Int | en | All Single Engine Internally Regulated Alternators | ||
| TG TE | en | Twin Engine Alternators |
| Name | Revision | Lang | Subject | Date |
|---|---|---|---|---|
| Fit Guide | en | Aircraft Model Eligibility for R1224 and R1224B Regulators | ||
| Letter | en | Hartzell Propeller Parent Company, Tailwind Technologies, Acquires Assets from Kelly Aerospace Energy Systems, LLC | 9/30/2010 | |
| Product Weight | en | Weights of Different Products | ||
| Product Weight | en | Shipping Information | ||
| Starter | en | Starter Duty Cycle | ||
| Weight & Balance | en | Plane Power Weight and Balance/Equipment List Revision | 11/30/2022 | |
| Weight & Balance | en | Weight & Balance/Equipment List |