# Hawker Siddeley HS-125-600A

- Type: Aircraft model (FAA registry)
- Registry code: 4230158
- Manufacturer (registry): HAWKER SIDDELEY
- Model: HS-125-600A
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-jet
- Seats: 11
- Weight class: 20,000 lb and over
- Cruise speed: 345 mph
- Certification: Type certificated
- Data sheet: [TCDS A3EU](https://openairdocs.org/tcds/A3EU) (OpenAirDocs)
- Holder: Textron Aviation Inc.
- Registered aircraft: 0
- Page: https://openairdocs.org/model/hawker-siddeley-hs-125-600a

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 2011-01-09](https://openairdocs.org/ad/2011-01-09): Oxygen · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 290 more. Effective Feb 9, 2011
- [AD 2006-16-18 R1](https://openairdocs.org/ad/2006-16-18-R1): Installing a warning placard on the TAWS/RMI · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 100 more. Effective Jul 18, 2008
- [AD 2006-01-04](https://openairdocs.org/ad/2006-01-04): Fan venturi motor casing · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 42 more. Effective Feb 22, 2006
- [AD 2005-03-16](https://openairdocs.org/ad/2005-03-16): Engine compartment firewall · Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125) and 40 more. Effective Mar 21, 2005
- [AD 2003-04-20](https://openairdocs.org/ad/2003-04-20): Cylinder Head Lugs of Main Landing Gear (MLG) Actuator · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 43 more. Effective Apr 4, 2003
- [AD 2002-15-02](https://openairdocs.org/ad/2002-15-02): Compressor Wheels · British Aerospace Regional Jetstream Series 3101, 234, Mystere-Falcon 20 - C5 and 22 more. Effective Aug 28, 2002
- [AD 2000-22-03](https://openairdocs.org/ad/2000-22-03): Pitot/Static and Stall Vent Drain Valves · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 43 more. Effective Dec 4, 2000
- [AD 2000-21-11](https://openairdocs.org/ad/2000-21-11): Cockpit Canopy Blister Interface · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 33 more. Effective Nov 29, 2000
- [AD 2000-02-35](https://openairdocs.org/ad/2000-02-35): Oxygen System Plumbing · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 36 more. Effective Mar 13, 2000
- [AD 89-18-07 R1](https://openairdocs.org/ad/89-18-07-R1): Elevator Balance Spigot · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 34 more. Effective Dec 18, 1998
- [AD 97-21-05](https://openairdocs.org/ad/97-21-05): High Pressure Oxygen Hose Assemblies · Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125) and 8 more. Effective Nov 24, 1997
- [AD 97-03-07](https://openairdocs.org/ad/97-03-07): Main Landing Gear Sidestay Assemblies · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 42 more. Effective Mar 11, 1997
- [AD 95-22-01](https://openairdocs.org/ad/95-22-01): Fluorescent Lighting System · Aerospace Lighting Fluorescent lighting systems, A310-203, A310-204 and 74 more. Effective Dec 4, 1995
- [AD 95-08-06](https://openairdocs.org/ad/95-08-06): Static Inverter · Textron BAe.125 Series 800A, BH.125 Series 400A, BH.125 Series 600A and 29 more. Effective May 18, 1995
- [AD 94-24-06](https://openairdocs.org/ad/94-24-06): Flight Deck Lighting Transformers · Textron BH.125 Series 600A, HS.125 Series 600A and HS.125 Series 700A. Effective Jan 4, 1995
- [AD 93-24-08](https://openairdocs.org/ad/93-24-08): Engine Fire Extinguisher Systems · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Jan 18, 1994
- [AD 93-23-08](https://openairdocs.org/ad/93-23-08): Battery and Emergency Contactors · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Dec 29, 1993
- [AD 93-24-07](https://openairdocs.org/ad/93-24-07): Auxiliary Power Unit (APU) Fuel Control Enclosure Box · Solar T62T-39 turbine auxiliary power unit (Textron STC SA1923SW). Effective Dec 23, 1993
- [AD 93-02-10](https://openairdocs.org/ad/93-02-10): Battery Cables · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Mar 26, 1993
- [AD 93-01-10](https://openairdocs.org/ad/93-01-10): Battery Overheating · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 37 more. Effective Mar 2, 1993
- [AD 92-27-09](https://openairdocs.org/ad/92-27-09): Mail Landing Gear Sidestay Upper Arm Assembly · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Jan 27, 1993
- [AD 92-25-11](https://openairdocs.org/ad/92-25-11): Hydraulic Accumulator · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Jan 12, 1993
- [AD 92-20-03](https://openairdocs.org/ad/92-20-03): Main Landing Gear · Textron DH.125 Series 1A, DH.125 Series 1A-522, DH.125 Series 1A/R-522 and 7 more. Effective Nov 17, 1992
- [AD 92-17-12](https://openairdocs.org/ad/92-17-12): Fluorescent Lighting Systems · Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125) and 3 more. Effective Sep 28, 1992
- [AD 92-16-12 R1](https://openairdocs.org/ad/92-16-12-R1): Tail Cone Vents · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Sep 28, 1992
- [AD 92-10-04](https://openairdocs.org/ad/92-10-04): Wing Skin Corrosion · Textron BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 8 more. Effective Jun 11, 1992
- [AD 92-06-05 R1](https://openairdocs.org/ad/92-06-05-R1): Nose Landing Gear · Textron BAe.125 Series 1000B, BAe.125 Series 800A, BAe.125 Series 800A (C-29A) and 38 more. Effective Apr 21, 1992
- [AD 92-01-09](https://openairdocs.org/ad/92-01-09): Pipe Joint Couplings · Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125) and 3 more. Effective Jan 24, 1992
- [AD 91-19-05](https://openairdocs.org/ad/91-19-05): Fire Extinguisher System Wiring · Textron BAe.125 Series 800A, BH.125 Series 400A, BH.125 Series 600A and 34 more. Effective Sep 26, 1991
- [AD 91-14-12](https://openairdocs.org/ad/91-14-12): Power System · Textron BH.125 Series 600A, HS.125 Series 600A and HS.125 Series 700A. Effective Aug 6, 1991
- [AD 91-07-12](https://openairdocs.org/ad/91-07-12): Main Landing Gear Hinge Fittings · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Apr 29, 1991
- [AD 91-03-18](https://openairdocs.org/ad/91-03-18): Warming Ovens · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Mar 11, 1991
- [AD 91-03-06](https://openairdocs.org/ad/91-03-06): Generator Control Unit · Textron BAe.125 Series 800A, BAe.125 Series 800A (C-29A), BAe.125 Series 800A (U-125) and 36 more. Effective Feb 11, 1991
- [AD 90-03-06](https://openairdocs.org/ad/90-03-06): Corrosion Inspection · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Feb 20, 1990
- [AD 89-18-13](https://openairdocs.org/ad/89-18-13): AFM Changes - APU · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Sep 28, 1989
- [AD 89-17-06](https://openairdocs.org/ad/89-17-06): Electrical Components · Textron BAe.125 Series 1000A, BAe.125 Series 1000B, BAe.125 Series 800A and 39 more. Effective Sep 15, 1989
- [AD 88-05-02](https://openairdocs.org/ad/88-05-02): Airplane Structure · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Apr 6, 1988
- [AD 87-04-14](https://openairdocs.org/ad/87-04-14): Starter/Generator · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Mar 9, 1987
- [AD 86-21-05](https://openairdocs.org/ad/86-21-05): Forward Engine Mounts · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Oct 20, 1986
- [AD 82-12-02 R1](https://openairdocs.org/ad/82-12-02-R1): Flap Structure · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Jun 17, 1985
- [AD 85-07-08](https://openairdocs.org/ad/85-07-08): Audio Communication System · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective May 13, 1985
- [AD 84-21-01 R1](https://openairdocs.org/ad/84-21-01-R1): Replacement Fuses - ZL Panel · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Feb 11, 1985
- [AD 84-20-05](https://openairdocs.org/ad/84-20-05): Landing Gear and Brakes · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Oct 14, 1984
- [AD 84-03-03](https://openairdocs.org/ad/84-03-03): Power Supply Elec. Circuits · Textron HS.125 Series 600A and HS.125 Series 700A. Effective Mar 22, 1984
- [AD 83-22-09](https://openairdocs.org/ad/83-22-09): Fragmentation Guard Installation · Textron HS.125 Series 600A and HS.125 Series 700A. Effective Dec 1, 1983
- [AD 83-02-04 R1](https://openairdocs.org/ad/83-02-04-R1): Electrical Effects · Textron HS.125 Series 600A and HS.125 Series 700A. Effective Jun 22, 1983
- [AD 80-12-05 R2](https://openairdocs.org/ad/80-12-05-R2): Nose Landing Gear Drag Stay Assembly · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Mar 16, 1983
- [AD 80-12-10 R1](https://openairdocs.org/ad/80-12-10-R1): Flap Fittings · BH.125 Series 400A, BH.125 Series 600A, DH.125 Series 1A and 9 more. Effective Jan 3, 1983

All 60: https://openairdocs.org/model/hawker-siddeley-hs-125-600a/ads.md

## Registered aircraft

None registered with this model now.

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20001025024289I](https://openairdocs.org/incident/20001025024289I), Oct 25, 2000: Hwksly HS125600A (N600AE), Detroit, MI, Minor damage. (-23) After take off bird/birds struck right side of fuselage and went thru #2 engine. Right engine compressor stalled but engine continued to run. Vibration…
- [Incident 19970122004179I](https://openairdocs.org/incident/19970122004179I), Jan 22, 1997: Hwksly HS125600A (N171TS), Newark, NJ. Narrative: N171TS departed bdr to lima, Ohio (aoh) via bridgehaven 5 departure direct eliot intersection at 15,000 feet. The aircraft using omega turned…

## Service difficulty reports (15)

As reported by operators and repair stations, by the model named in the report.

- [SDR SIMA201008905](https://openairdocs.org/sdr/SIMA201008905), Mar 25, 2010: FRAME. DAMAGED. AT THE MAINTENANCE BASE VISIT DURING ACCOMPLISHMENT OF SB 145-53-0068 A HOLE WAS MISDRILLED ON FRAME 49 AT STRINGER 8 LEFT. THE AIRCRAFT WAS REMOVED FROM SERVIC
- [SDR 2010FA0000511](https://openairdocs.org/sdr/2010FA0000511), Jan 21, 2009: CABIN PRESSURE. FAILED. AFTER INITIAL TO FL260 THE CREW HEARD A LOUD SOUND FOLLOWED BY AN IMMEDIATE RAPID LOSS OF PRESSURIZATION.
- [SDR CA071011007](https://openairdocs.org/sdr/CA071011007), Sep 14, 2007: ATTACH FITTING. CRACKED. (CAN) AFTER REPAINT OF A/C INSPECTION REVEALED A CRACK ON SIDE OF ATTACH POINT. LDG WAS PULLED TO REPLACE ATTACH POINT BRACKET AND ATTACH POINT BRACKET BOLTS. T
- [SDR CA050908005](https://openairdocs.org/sdr/CA050908005), Sep 6, 2005: WARNING LIGHT. FALSE INDICATION. (CAN) BELOW FFPS INDICATOR LIGHT FOR NR 2 PROP INOP SYSTEM GROUND TEST NORMAL FERRY FLIGHT PERMIT ISSUED TO RETURN TO BASE FOR REPAIR.
- [SDR 2002FA0000027](https://openairdocs.org/sdr/2002FA0000027), Dec 14, 2001: FUEL BOWL. CONTAMINATED. DURING SCHEDULED INSPECTION AND FILTER CHANGE, EXCESSIVE CONTAMINATION FOUND IN FILTER BOWL ASSEMBLY.
- [SDR 20010409CW009](https://openairdocs.org/sdr/20010409CW009), Apr 9, 2001: TUBE. CRACKED. RIGHT ENGINE ROLLED BACK TO IDLE ON ITS OWN AFTER TAKEOFF. MAINTENANCE FOUND THE P3 TUBE ASSEMBLY BETWEEN THE FUEL CONTROL UNIT AND THE ENGINE PLENNUM CRACKED I
- [SDR 20000717SH011](https://openairdocs.org/sdr/20000717SH011), Jun 29, 2000: INDICATOR. SEPARATED. IN NORMAL CRUISE CONFIG, LT (NR 1 LOW HYD POSITION) CAUTION ILLUMINATED FOLLOWED BY (NR 2 LOW HYD POSITION); 30 SECONDS LATER, CORRESPONDINGLY, BOTH NR 1 AND NR
- [SDR 96ZZZX5024](https://openairdocs.org/sdr/96ZZZX5024), Jul 11, 1996: BREAKER. FAILED. COMM 2 CIRCUIT BREAKER OPENED DURING FLIGHT AND WOULD NOT RESET. CIRCUIT BREAKER WAS REPLACED WITH NEW BREAKER.
- [SDR 95ZZZX3602](https://openairdocs.org/sdr/95ZZZX3602), Jun 21, 1995: LINE. KINKED. LINE ASSEMBLY FOUND KINKED AT LOWER END. THIS PART IS AN ENGINE MAIN FUEL LINE (FLEXIBLE). THIS LINE MUST BE DISCONNECTED IN ORDER TO ALLOW CERTAIN DEFUELING OP
- [SDR 95ZZZX3601](https://openairdocs.org/sdr/95ZZZX3601), Jun 21, 1995: HINGE SUPPORT. DAMAGED. THIS PART FOUND BROKEN AT STOPS AFTER PILOTS REPORTED MAIN DOOR ASSY 'LOOSE' WHEN OPEN AND PERSON STEPS ON DOOR STEPS (UNSTABLE). CAUSE HAS BEEN DETERMINED AS R
- [SDR 95ZZZX3655](https://openairdocs.org/sdr/95ZZZX3655), Jun 19, 1995: BATTERY. COVER MELTED. BATTERY PACK COVER MELTED AROUND TERMINAL POSTS. THIS CONDITION CAUSED BY LOOSE/HIGH RESISTANCE CONNECTION BETWEEN TERMINAL POSTS AND CELL TABS. SUBMITTER RECOM
- [SDR 95ZZZX3434](https://openairdocs.org/sdr/95ZZZX3434), Jun 8, 1995: QUADRANT. CORRODED. DURING A VISUAL INSPECTION OF THE ELEVATOR QUADRANT, WHILE POWDER WAS NOTED AROUND THE UPPER CONTROL CABLE ATTACH POINT BARREL. REMOVAL OF BOTH CABLES FOUND DEE
- [SDR 95ZZZX3099](https://openairdocs.org/sdr/95ZZZX3099), Jun 8, 1995: ELEV QUADRANT. CORRODED. DURING A VISUAL INSPECTION OF THE ELEVATOR QUADRANT, WHITE POWDER WAS NOTED AROUND THE UPPER CONTROL CABLE ATTACH POINT BARREL. REMOVAL OF BOTH CABLES FOUND DEE
- [SDR 95ZZZX4080](https://openairdocs.org/sdr/95ZZZX4080), Apr 7, 1995: PUMP. BUSHING CRACKED. HYDRAULIC PUMPS REMOVED TO COMPLY WITH 150-HR INSPECTION UNDER SUPPLEMENT 'F'. THESE PUMPS WERE POST-MODIFICATION 253202 WITH A PLASTIC BUSHING INSERT IN THE PU
- [SDR 95ZZZX3157](https://openairdocs.org/sdr/95ZZZX3157), Mar 7, 1995: DOOR STRUT. CORRODED. DURING THE 24-MONTH OUT OF PHASE INSPECTION, X-RAYS SHOW OVER 50 PERCENT OF THE ROD-END CONNECT POINT TO BE SEVERELY CORRODED ON BOTH LT AND RT MLG DOOR STRUT A

## STCs that may be installed (OpenAirDocs) (97, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. Rockwell Collins Inc
- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC ST00885LA](https://openairdocs.org/stc/ST00885LA): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII. Aircraft Systems and Manufacturing Inc
- [STC ST01930LA](https://openairdocs.org/stc/ST01930LA): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI). Sandel Avionics LLC
- [STC ST01084WI](https://openairdocs.org/stc/ST01084WI): Installation of Collins TCAS-4000 TCAS II System (with or without optional Avidyne Flight Max 800 MDF). Blackhawk Aerospace Technologies Inc
- [STC ST01085WI](https://openairdocs.org/stc/ST01085WI): Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) (with/without optional Avidyne Flight Max 800 MFD). Blackhawk Aerospace Technologies Inc
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT): Installation of a Talon Aerospace LED Replacement General Purpose Lamps. Aaxico Technical Services Inc
- [STC ST00835DE](https://openairdocs.org/stc/ST00835DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor. Peregrine
- [STC ST02068CH](https://openairdocs.org/stc/ST02068CH): Install air ambulance conversion. Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC ST11071SC](https://openairdocs.org/stc/ST11071SC): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs). Liberty Partners Inc
- [STC ST00304WI](https://openairdocs.org/stc/ST00304WI): Installation of Keddeg Company 21BC113 coaleser assembly. Purolator Facet, Inc
- [STC ST01228WI](https://openairdocs.org/stc/ST01228WI): Replacement of OEM window pane assemblies with Lee Aerospace laminated window assembly and termination of OEM dry air system. Lee Aerospace, Inc
- [STC SA4098SW](https://openairdocs.org/stc/SA4098SW): Installation of Single Global VLF/Omega GNS-500A Navigation System. Textron Aviation Inc
- [STC SA4465SW](https://openairdocs.org/stc/SA4465SW): Installation of dual Global Navigation GNS-500A Series 3A and 3B Omega Navigation Systems with optional Vandling Model NDB-2 navigation bank. Textron Aviation Inc
- [STC SA1923SW](https://openairdocs.org/stc/SA1923SW): Installation of solar T62T-39 turbine auxiliary power unit with General Electric starter/generator Model No. 2CM308C1. Textron Aviation Inc
- [STC SA2711SW](https://openairdocs.org/stc/SA2711SW): Installation of Foxboro SC-12 fuel used totalizer system. Textron Aviation Inc
- [STC ST00780WI-D](https://openairdocs.org/stc/ST00780WI-D): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation. Textron Aviation Inc
- [STC ST00781WI-D](https://openairdocs.org/stc/ST00781WI-D): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation. Textron Aviation Inc
- [STC ST03776NY](https://openairdocs.org/stc/ST03776NY): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II). Scandinavian Avionics Design ApS
- [STC ST01560CH](https://openairdocs.org/stc/ST01560CH): Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 805. Paul/ Lanna Egan LLC
- [STC ST01809LA](https://openairdocs.org/stc/ST01809LA): Installation of Hawker PN 9750W0640 Sealed Lead Acid Battery. Securaplane Technologies
- [STC ST546CH-D](https://openairdocs.org/stc/ST546CH-D): Installation of an AlliedSignal Avionics, Dual GNS-XLS, Flight Management System with GPS as a primary means of navigation. Standard Aero
- [STC ST01380LA](https://openairdocs.org/stc/ST01380LA): Installation of Diamond J, Inc. Engine Indicators N1, N2, and ITT. Gulfstream-California Inc
- [STC ST00673WI-D](https://openairdocs.org/stc/ST00673WI-D): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation. Rockwell Collins Inc
- [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions. Rockwell Collins Inc
- [STC ST01486SE-D](https://openairdocs.org/stc/ST01486SE-D): Group aircraft approval for Reduced Vertical Separation Minimum (RVSM). AeroMech Incorporated
- [STC ST349CH-D](https://openairdocs.org/stc/ST349CH-D): Installation of APU Access Panels. Standard Aero
- [STC ST01623SE](https://openairdocs.org/stc/ST01623SE): Installation of Innovative Solutions and Support (IS&S) Air Data Display Units. AeroMech Incorporated
- [STC ST01003CH-D](https://openairdocs.org/stc/ST01003CH-D): Installation of AlliedSignal Aerospace N1 digital electronic engine control (DEEC). Honeywell International Inc
- [STC ST01514CH-D](https://openairdocs.org/stc/ST01514CH-D): Installation of Universal Avionics Systems Corporation Terrain Awareness Warning System (TAWS), Software Control (SCN) 10.X and Universal Multi-Function Display (MFD). Duncan Aviation Inc
- [STC SA1933SW](https://openairdocs.org/stc/SA1933SW): Installation of Collins ALT-50 radio altimeter. Page AvJet Corp
- [STC SA1934SW](https://openairdocs.org/stc/SA1934SW): Installation of instrument switching system. Page AvJet Corp
- [STC SA1935SW](https://openairdocs.org/stc/SA1935SW): Installation of Collins FD 109Z and FD 109Y flight director system. Page AvJet Corp
- [STC ST456CH-D](https://openairdocs.org/stc/ST456CH-D): Installation of AlliedSignal Aerospace TFE731-3D-1H or TFE731-3DR-1H Turbofan Engine(s). Honeywell International Inc
- [STC SA329NE](https://openairdocs.org/stc/SA329NE): Installation of Teledyne Avionics' normalized angle of attack indicating sys. P/N 112B7200. Aerosonic Corporation
- [STC ST01142WI-D](https://openairdocs.org/stc/ST01142WI-D): Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head. Rockwell Collins Inc
- [STC ST02197NY](https://openairdocs.org/stc/ST02197NY): ONE-ONLY: Installation of IS&S Dual Digital Air Data System, serial number 256066. Global Aviation Technologies
- [STC ST01394WI-D](https://openairdocs.org/stc/ST01394WI-D): Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation. Rockwell Collins Inc
- [STC ST01378WI](https://openairdocs.org/stc/ST01378WI): Reduced Vertical Separation Minimum (RVSM) non-group airworthiness approval. Kohlman Systems Research Inc
- [STC ST01601SE](https://openairdocs.org/stc/ST01601SE): Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to the Hawker Siddeley Model HS.125-600A, Serial Number 256029 only. Non-Group (Individual) aircraft approval for Reduced Vertical Separation Minimum (RVSM). AeroMech Incorporated
- [STC SA786EA](https://openairdocs.org/stc/SA786EA): Installation of lavatory door and bulkhead at station 392. Garrett Aviation Services
- [STC ST01307WI-D](https://openairdocs.org/stc/ST01307WI-D): Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation. Rockwell Collins Inc
- [STC ST02133CH](https://openairdocs.org/stc/ST02133CH): Limited to installation on Raytheon model HS.125 series 600A, serial number 256045 ONLY. Non-group aircraft certification for Reduced Vertical Separation Minimum (RVSM) operational capability. Elliott Aviation Technical Products
- [STC ST02074CH](https://openairdocs.org/stc/ST02074CH): Installation of Innovative Solutions & Support (IS&S) dual Air Data Display Units (ADDU) and single Analog Interface Unit (AIU). Elliott Aviation Technical Products
- [STC ST01460SE](https://openairdocs.org/stc/ST01460SE): Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to the Hawker Siddeley Model HS.125-600A, Serial Number 256065 only. AeroMech Incorporated
- [STC ST01465SE](https://openairdocs.org/stc/ST01465SE): Non-Group (Individual) aircraft approval for Reduced Vertical Separation Minimum (RVSM). AeroMech Incorporated
- [STC ST01946NY](https://openairdocs.org/stc/ST01946NY): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. MidCanada Mod Center
- [STC SA1175EA](https://openairdocs.org/stc/SA1175EA): Installation of access doors. PATS Aircraft LLC

All 97: https://openairdocs.org/model/hawker-siddeley-hs-125-600a/stcs.md

## PMA parts (OpenAirDocs) (746, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [S9413-008WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187096582920261009134009.0001): Packing, Preform - Fluorocarbon. Wencor, LLC · PMA PQ1370NM · Replaces S9413-008 · Oct 1, 2026
- [06655200-510](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194002194720260910160117.0001): STARLINK AVIATION BLOCK 4 ANTENNA DATA LIST, PN 06655200-510. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06652310-531](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID188307572820260910160119.0001): COVER PLATE ASSEMBLY, STARLINK AVIATION. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06652360-501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172071713320260910160119.0001): SPRAY SHIELD ASSEMBLY, XS, STARLINK AVIATION. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06655300-501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171218446820260910160118.0001): STARLINK AVIATION BLOCK 5 ANTENNA DATA LIST, PN 06655300-501. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06652350-556](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160866118420260910160118.0001): AVIATION TRAY ASSEMBLY, XXL LUGS, WIDE STANCE. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06658430-501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID151175068420260910160118.0001): MASTER DATA LIST – 06658430-501 – BLOCK 4 ROUTER – STARLINK AVIATION. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06652147-511](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149188950320260910160117.0001): STARLINK AVIATION HEAVY TRAY ASSEMBLY – DRAWING LIST, PN 06652147-511. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06651101-501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144438279620260910160117.0001): STARLINK AVIATION AEROSHELL ASSEMBLY– DRAWING LIST, PN 06651101-501. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06652360-571](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125727911920260910160119.0001): PAGODA ASSEMBLY, STARLINK AVIATION. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [06658400-501](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108374520920260910160118.0001): MASTER DATA LIST–06658400-501 – BLOCK 4 PSU – STARLINK AVIATION. Space Exploration Technologies · PMA PQ00001WB · Modification part · Jul 22, 2026
- [3233190-2HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180820506720250807175624.0001): Vespel Bearing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 3233190-2 · Aug 4, 2025
- [207218HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166816467420250807185055.0001): Thrust Washer. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 207218 · Aug 4, 2025
- [D6-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159342963220250807175622.0001): Spring Washer. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces D6-1 · Aug 4, 2025
- [207460HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145152614120250805133123.0001): Bearing, Ball Annular. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 207460 · Aug 4, 2025
- [D6-4HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139967508520250807175623.0001): Spring Washer. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces D6-4 · Aug 4, 2025
- [400-21149G-3-305, 400-21149G-3-315, 400-21149G-3-405, 400-21149G-3-415, 400-21149G-3-505, 400-21149G-3-515, 400-21149G-3-605, 400-21149G-3-615, 400-21149G-3-915](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195387574620250603134043.0001): Assy, LRU Adapter (avRDC or MAX). Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [804-1250-10](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID192207126420250612143631.0001): avRDC QAR. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [804-1250-32](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168158510420250612143635.0001): avRDC MAX QAR. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [650-0100-05](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163107069620250603134032.0001): Cellular Module, avCM LTE. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [802-0100-04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159877857720250603134035.0001): Kit, avCM 4G Adapter. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [400-21149G-3-101, 400-21149G-3-103, 400-21149G-3-105, 400-21149G-3-111, 400-21149G-3-113, 400-21149G-3-115, 400-21149G-3-205, 400-21149G-3-215, 400-21149G-3-715, 400-21149G-3-815](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148779431820250603134039.0001): Assy, LRU Adapter (miniQAR MKIII). Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [21149GK-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145331540120250612143627.0001): Installation Kit, miniQAR / avRDC QAR. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [804-1201, 804-1205, 804-1205-03, 804-1212, 804-1216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138145552920250612143623.0001): miniQAR MKIII. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [650-0100-04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132354161620250603134028.0001): Cellular Module (avCM 4G), GSM / GRPS 4G, Quad Band, SMA. Avionica LLC. · PMA PQ1734CE · Modification part · Apr 18, 2025
- [AAP- 857760-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID106046597820250228182136.0001): Seal, Plain, Encased. Approved Air Parts, LLC · PMA PQ4173NE · Replaces Honeywell P/N: 857760-1 · Feb 26, 2025
- [PM-80](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103072630120260625165812.0001): Radome Mask. PM Research, Inc. · PMA PQ10049NE · Modification part · Nov 20, 2024
- [447883LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID173382416820241107175411.0001): Valve, Safety Assy. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 447883 · Nov 5, 2024
- [UAM100HEM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187388594720250310181523.0001): Fuse. Hemico Inc. · PMA PQ2145NE · Replaces UAM100 · Oct 18, 2024
- [HEM25WS619](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115941443620250310183835.0001): Seal. Hemico Inc. · PMA PQ2145NE · Replaces 25WS619 · Oct 18, 2024
- [LA449039](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164002865020241016174957.0001): Mask Lock. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 449039 · Aug 28, 2024
- [LA01000X200A20B6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121907769120241016174904.0001): O-Ring. LanAir Research and Development Inc · PMA PQ1031NE · Replaces R01000X200A20B6 · Aug 28, 2024
- [N1235XXXX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID163452491420240819142523.0001): Fluorescent Lamp. Aircraft Lighting International · PMA PQ2043NE · Replaces AL1235XXXX · Aug 6, 2024
- [232-20426-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186394118820240703182621.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 232-20426-1 · Jun 24, 2024
- [45-12216-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113632830520240703182603.0001): Bearing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 45-12216-1 · May 17, 2024
- [232-20268-503HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105859762220240703182602.0001): Bolt. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 232-20268-503 · May 17, 2024
- [PM-81](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149816703220260702135221.0001): Radome Mask. PM Research, Inc. · PMA PQ10049NE · Modification part · Apr 11, 2024
- [AAI- 150SG1070](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179599370820240320173350.0001): Friction Disc. Augusta Aero Innovations LLC · PMA PQ04441CE · Replaces 150SG1070 · Jan 31, 2024
- [3163811-7WE](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID174140440520240919140200.0001): Valve - Poppet. Wencor, LLC · PMA PQ1370NM · Replaces 3163811-7 · Jan 30, 2024
- [804-1216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155583220320240924135410.0001): miniQAR MKIII. Avionica LLC. · PMA pq1734ce · Modification part · Dec 8, 2023
- [804-1216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID131636454920240924135410.0001): miniQAR MKIII. Avionica LLC. · PMA pq1734ce · Modification part · Dec 8, 2023
- [804-1216](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103351406520240924135411.0001): miniQAR MKIII. Avionica LLC. · PMA pq1734ce · Modification part · Dec 8, 2023
- [AAP- 117088](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107982464920230831200748.0001): Bearing. Approved Air Parts Co Inc · PMA PQ4173NE · Replaces Honeywell P/N 117088 · Aug 28, 2023
- [232-20426-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147115853820231024184810.0001): Bushing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 232-20426-1 · Dec 22, 2022
- [45-12216-1HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121229561820231024184826.0001): Bearing. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 45-12216-1 · Dec 22, 2022
- [232-20268-503HP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100164008620231024184824.0001): Bolt. Central Texas Aircraft Parts (CTAP) · PMA PQ0880SW · Replaces 232-20268-503 · Dec 22, 2022
- [M150SG1093-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191755022420221215201434.0001): Wave Spring. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1093-2 · Nov 28, 2022
- [M150SG1391](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162614156720221215201437.0001): Spring Seat Nut. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1391 · Nov 28, 2022
- [BCN400SG-K1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165328117920221025141607.0001): Overhaul Hardware Kit 400SG Series Starter Generators. BCN Aerospace, Inc. · PMA PQ2149NE · Replaces NJ400SG-K1 · Oct 14, 2022
- [2101818-1         Series 3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185769311020230803184250.0001): Adapter Cable, Synchronizer- 4 Branch. Honeywell International Inc. · PMA PQ1222NM · Replaces 2101818-1 · Oct 5, 2022

All of them: https://openairdocs.org/model/hawker-siddeley-hs-125-600a/pma.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [British Aerospace HS 125 SERIES 600A](https://openairdocs.org/model/british-aerospace-hs-125-series-600a): 0 registered aircraft, registry code 1500206

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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.