# N20FW: 1969 Beech B-99

- Status: Valid registration
- Airframe: [Beech B-99](https://openairdocs.org/model/beech-b-99) (registry code 1154004, 17 seats)
- Engine: [U/A Canada PT6 SER 578HP](https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp) (registry code 61501)
- Data sheets: [TCDS A14CE](https://openairdocs.org/tcds/A14CE) (Textron Aviation Inc.) (OpenAirDocs)
- Serial number: U-111
- Year built: 1969
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: May 28, 1969
- Certificate issued: April 27, 2007
- Expires: January 31, 2030
- Mode S code: A1903C
- Registered owner: [Uas Transervices Inc](https://openairdocs.org/faa-owner/UAS%20TRANSERVICES%20INC)
- Location: [Boca Raton, FL](https://openairdocs.org/faa-place/FL/Boca%20Raton)
- Owner type: Corporation
- Owner's area on the map: 26.3746° N, 80.1066° W: Placed by OpenAirDocs at the center of ZIP code 33431, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=20FW
- Page: https://openairdocs.org/aircraft/N20FW

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 43 in force

### Matched by airframe (Beech B-99)

- [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 2020-25-01](https://openairdocs.org/ad/2020-25-01): Wings · Textron 100, 65-90, 65-A90 and 17 more. Effective Jan 11, 2021
- [AD 2006-13-10](https://openairdocs.org/ad/2006-13-10): Rudder trim tab · Textron 100, 65-90, 65-A90 and 18 more. Effective Aug 7, 2006
- [AD 2006-12-25](https://openairdocs.org/ad/2006-12-25): Actuator nut assembly · General Machine - Diecron Actuator nut assembly, 100, 200 and 15 more. Effective Jul 28, 2006
- [AD 2005-18-20](https://openairdocs.org/ad/2005-18-20): "FASTprop" propeller de-icers · Hartzell PHC-C3YF-1RF/F8468A(B,K)-8R constant speed propeller (STC SA00718LA or 17 others). Effective Oct 14, 2005
- [AD 2005-01-19](https://openairdocs.org/ad/2005-01-19): Mode S transponders · GARMIN International GTX 330D, GTX 330, GTX 33D and 830 more. Effective Feb 23, 2005
- [AD 2005-01-04](https://openairdocs.org/ad/2005-01-04): Fuel hose · Textron 100, 200, 200C and 29 more. Effective Feb 22, 2005
- [AD 2004-23-02](https://openairdocs.org/ad/2004-23-02): Nose Landing Gear (NLG) Fork · Textron 100, 1900, 1900C and 50 more. Effective Dec 23, 2004
- [AD 2004-17-02](https://openairdocs.org/ad/2004-17-02): Cross shaft attach bolt · Textron 100, 1900, 1900C and 52 more. Effective Oct 4, 2004
- [AD 2003-02-03](https://openairdocs.org/ad/2003-02-03): Airstair door and emergency exits · Textron 100, 200, 2000 and 46 more. Effective Mar 7, 2003
- [AD 2001-11-04](https://openairdocs.org/ad/2001-11-04): Main Landing Gear Hydraulic Actuator and Caps · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jul 23, 2001
- [AD 97-25-03](https://openairdocs.org/ad/97-25-03): AFM - Limitations - Power Levers · Textron 100, 1900, 1900C and 44 more. Effective Jan 21, 1998
- [AD 97-06-06](https://openairdocs.org/ad/97-06-06): Pilot and Copilot Chairs Locking Pins · Textron 100, 1900, 1900C and 43 more. Effective May 9, 1997
- [AD 96-09-13](https://openairdocs.org/ad/96-09-13): AFM - Icing · Textron 1900, 1900C, 1900D and 7 more. Effective Jun 11, 1996
- [AD 96-03-13](https://openairdocs.org/ad/96-03-13): Main Landing Gear Drag Leg Lock Link · Textron 100, 200, 200C and 24 more. Effective Apr 1, 1996
- [AD 95-13-03](https://openairdocs.org/ad/95-13-03): Electrical Landing Gear Motor · Textron 100, 200, 200C and 22 more. Effective Jul 28, 1995
- [AD 92-15-13](https://openairdocs.org/ad/92-15-13): Wing Structure · Textron 99, 99A, 99A (FACH) and 4 more. Effective Aug 24, 1992
- [AD 92-15-01](https://openairdocs.org/ad/92-15-01): Truss-To-Firewall Bolts · Textron 100, 200, 200C and 40 more. Effective Aug 21, 1992
- [AD 90-15-18](https://openairdocs.org/ad/90-15-18): Vertical Stabilizer Main Spar · Textron 99, 99A, A99A and 1 more. Effective Sep 11, 1990
- [AD 90-12-07](https://openairdocs.org/ad/90-12-07): Wing Attach Bolts and Nuts · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jul 2, 1990
- [AD 88-04-07](https://openairdocs.org/ad/88-04-07): Wing Spar Nuts Inspection · Textron 100, 65, 65-80 and 18 more. Effective Apr 18, 1988
- [AD 87-03-06 R1](https://openairdocs.org/ad/87-03-06-R1): Elevator Hinge Attachment · Textron 100, 99, 99A and 5 more. Effective Mar 12, 1987
- [AD 85-22-05](https://openairdocs.org/ad/85-22-05): Nuts and Bolts Replacement · Textron 100, 200, 200C and 60 more. Effective Nov 12, 1985
- [AD 69-24-02 R3](https://openairdocs.org/ad/69-24-02-R3): Maximum Speed · Textron 99, 99A, 99A (FACH) and 4 more. Effective Apr 11, 1983
- [AD 72-10-04 R2](https://openairdocs.org/ad/72-10-04-R2): Landing Gear System · Textron 99, 99A, A99 and 2 more. Effective May 13, 1982
- [AD 81-18-08 R3](https://openairdocs.org/ad/81-18-08-R3): Revised AFM · Textron 99, 99A, A99 and 2 more. Effective Feb 16, 1982
- [AD 81-23-01 R1](https://openairdocs.org/ad/81-23-01-R1): Beech Kit or Supplemental Type Certificate · Textron 100, 65, 65-88 and 20 more. Effective Jan 4, 1982
- [AD 80-07-05](https://openairdocs.org/ad/80-07-05): Bolt and Nut, Wing Section · Textron 200, 200C, 200T and 10 more. Effective Apr 3, 1980
- [AD 79-01-01](https://openairdocs.org/ad/79-01-01): Screws in Control System · Textron 100, 200, 35-B33 and 34 more. Effective Jan 8, 1979
- [AD 78-22-05](https://openairdocs.org/ad/78-22-05): Elevator Control Push Rods · Textron 100, 50, 65 and 31 more. Effective Nov 6, 1978
- [AD 78-05-06](https://openairdocs.org/ad/78-05-06): Flexible Fuel Cells · Cessna 180, 182, 185 and 98 more. Effective Jun 30, 1978
- [AD 76-22-02](https://openairdocs.org/ad/76-22-02): 'Y' Type Shoulder Harness · Textron 200, 58, 58A and 14 more. Effective Jun 2, 1977
- [AD 76-22-03](https://openairdocs.org/ad/76-22-03): Elevator Control · Textron 100, 99, 99A and 4 more. Effective Nov 4, 1976
- [AD 75-15-07](https://openairdocs.org/ad/75-15-07): Landing Gear System · Textron 99, 99A, A99A and 1 more. Effective Jul 25, 1975
- [AD 74-24-03](https://openairdocs.org/ad/74-24-03): Strobe Light System · Textron 100, 200, 58 and 16 more. Effective Nov 22, 1974
- [AD 72-26-01](https://openairdocs.org/ad/72-26-01): Nose Compartment Door Latch · Textron 99, 99A, 99A (FACH) and 4 more. Effective Dec 21, 1972
- [AD 72-20-03](https://openairdocs.org/ad/72-20-03): Heater Overheat · Textron 65-90, 65-A90, 99 and 4 more. Effective Sep 27, 1972
- [AD 72-09-03](https://openairdocs.org/ad/72-09-03): Security of Control Wheel Adapters · Textron 99, 99A, 99A (FACH) and 4 more. Effective May 2, 1972
- [AD 71-06-01](https://openairdocs.org/ad/71-06-01): Faults, Failures and Improper Operation · Textron 99, 99A, 99A (FACH) and 4 more. Effective Oct 19, 1971
- [AD 71-05-03](https://openairdocs.org/ad/71-05-03): Known Icing Conditions · Textron 99, 99A, 99A (FACH) and 5 more. Effective Jul 16, 1971
- [AD 70-10-01](https://openairdocs.org/ad/70-10-01): Instrument Panel Circuit Boards · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jun 3, 1971
- [AD 69-08-02](https://openairdocs.org/ad/69-08-02): Elevator Spar Web · Textron 99, 99A, 99A (FACH) and 4 more. Effective Jun 3, 1971
- [AD 69-06-06](https://openairdocs.org/ad/69-06-06): Rudder Spar · Textron 65-80, 65-88, 65-90 and 12 more. Effective Jun 3, 1971

### Matched by engine (U/A Canada PT6 SER 578HP)

None in force.

### Historical (superseded or no longer in force)

- [AD 92-07-05](https://openairdocs.org/ad/92-07-05) (historical): Rudder Trim Tab · Raytheon 100 Model or Series (all), 65-90, 65-A90 and 16 more. Effective Apr 30, 1992
- [AD 87-22-01 R1](https://openairdocs.org/ad/87-22-01-R1) (historical): Nose Landing Gear Fork · Raytheon 100 Model or Series (all), 1900, 1900C and 50 more. Effective Sep 30, 1989

## Information bulletins (advisory) (3 in force)

- [SAIB 2026-16](https://openairdocs.org/saib/2026-16): Elevator Control System. Issued Sep 10, 2026
- [SAIB CE-12-36](https://openairdocs.org/saib/CE-12-36): Flight Controls: Aileron. Issued Jun 19, 2012
- [SAIB ACE-96-17](https://openairdocs.org/saib/ACE-96-17): . Issued Dec 24, 1996

## NTSB investigations (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX98IA097](https://openairdocs.org/ntsb/LAX98IA097), Feb 24, 1998: Beech BE99 (N20FW), Oakland, CA, incident, no damage. Probable cause: Water accumulation in the tail section of the aircraft that froze around the elevator control cables which restricted the movement of the elevator. Contributing factors were the accumulation of…
- [NTSB SEA75FYG18](https://openairdocs.org/ntsb/SEA75FYG18), Feb 4, 1975: Beech 99A (N20FW), Pullman, WA, substantial damage

## FAA accident and incident reports (8)

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 19980224012269I](https://openairdocs.org/incident/19980224012269I), Feb 24, 1998: Beech 99 (N20FW), Oakland, CA. Narrative: on February 24, 1998, Mr. Jason p. doyle was the pilot in command of Beechcraft BE-99, N20FW, (amflight 125). Amflight 125 was on an IFR flight from…
- [Incident 19860917080079I](https://openairdocs.org/incident/19860917080079I), Sep 17, 1986: Beech B99 (N20FW), Burbank, CA, Minor damage. Loud grinding noise with gear extension. Landing made with partial extension with gear jammed. Cause unknown.
- [Incident 19860228013719I](https://openairdocs.org/incident/19860228013719I), Feb 28, 1986: Beech B99 (N20FW), Phoenix, AZ, Minor damage. Unable to extend nose gear for landing. Propeller damage on rollout. Master link in nose gear drive chain broke.
- [Incident 19850129012209I](https://openairdocs.org/incident/19850129012209I), Jan 29, 1985: Beech B99 (N20FW), Burbank, CA, Minor damage. Nose gear could not be extended for landing. Landed on mains. Nose gear aft drive chain broken.
- [Incident 19830722044239I](https://openairdocs.org/incident/19830722044239I), Jul 22, 1983: Beech B99 (N20FW), Yakima, WA. Right engine malfunctioned and takeoff was aborted. A compressor turbine blade failure damaged hot section.
- [Incident 19801205085549I](https://openairdocs.org/incident/19801205085549I), Dec 5, 1980: Beech B99 (N20FW), Yakima, WA. Engine shut down due to oil pressure warning light. Returned to departure point.
- [Incident 19800430046829I](https://openairdocs.org/incident/19800430046829I), Apr 30, 1980: Beech B99 (N20FW), Yakima, WA. Takeoff aborted due to nose wheel shimmy. Nose gear knee assembly worn.
- [Accident 19750204001959A](https://openairdocs.org/incident/19750204001959A), Feb 4, 1975: Beech B99 (N20FW), Pullman, WA, Substantial damage. Hit 11FT short of snow bank at end of rwy.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs) (140, first 50)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Beech B-99)

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA01800SE](https://openairdocs.org/stc/SA01800SE): Fabrication and installation of new or replacement of existing instrument panel lights dimmer control. TCW Technologies, LLC
- [STC SA01861SE](https://openairdocs.org/stc/SA01861SE): Fabrication and installation of Landing Light Controller. TCW Technologies, LLC
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA02019SE-D](https://openairdocs.org/stc/SA02019SE-D): Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System. Garmin International Inc
- [STC SA02133SE](https://openairdocs.org/stc/SA02133SE): Installation of a Luma Technologies LT-4500 Series Integrated Light\Emitting Diode (LED) Display Panel and LT-3500 LED light modules. Luma Technologies LLC
- [STC SA00185LA](https://openairdocs.org/stc/SA00185LA): Installation of Alternate Main Landing Gear Tires, Michelin P/N 026-335-0. Metrea Special Aerospace ISR Inc
- [STC SA00929AT](https://openairdocs.org/stc/SA00929AT): Installation of a TCAS-791 traffic alert and collision avoidance system (TCAS I). Acron Aviation Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02386AK](https://openairdocs.org/stc/SA02386AK): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems. AeroLED's Holding LLC
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA02532AT](https://openairdocs.org/stc/SA02532AT): Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc. Lists 99 Series
- [STC SA04196NY](https://openairdocs.org/stc/SA04196NY): Installation of LAI Heated Windshields. Lee Aerospace Inc
- [STC SA00120IB](https://openairdocs.org/stc/SA00120IB): Installation of the Universal Kapture Cockpit Voice Recorder (CVR) with Recorder Independent Power Supply (RIPS). Avmax Aviation Services Inc
- [STC SA02010WI](https://openairdocs.org/stc/SA02010WI): Installation of the Mid-Continent Instruments & Avionics MD23 FLEX Custom Function Display (CFD). Mid-Continent Instruments and Avionics
- [STC SA00741WI](https://openairdocs.org/stc/SA00741WI): Installation of the Concorde RG-380E/K series VRSLA batteries in airplanes listed on the attached FAA approved Model List (AML). Aero-Mach Wilco LLC
- [STC SA1061GL](https://openairdocs.org/stc/SA1061GL): Replace existing nose wheel with Cleveland nose wheel P/N 40-204. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA1509GL](https://openairdocs.org/stc/SA1509GL): Installation of Cleveland MAIN wheels and BRAKES. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA646GL](https://openairdocs.org/stc/SA646GL): Installation of Cleveland wheel and brake conversion kit 199-110. KAMAN Corporation Aircraft Wheel and Brake LLC
- [STC SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc
- [STC SA02254AK](https://openairdocs.org/stc/SA02254AK): Installation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen". Genesys Aerosystems Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA5188NM](https://openairdocs.org/stc/SA5188NM): Installation of an AV557D Cockpit Voice Recorder. Honeywell International Inc
- [STC SA09856AC](https://openairdocs.org/stc/SA09856AC): Installation of BendixKing Aerowave 100 In-flight Data Link System for non-essential, non-required aircraft Cabin Systems & Equipments. Honeywell International Inc (Bendix King)
- [STC SA11174SC PAGE 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA04634NY](https://openairdocs.org/stc/SA04634NY): Modification of the Brake Master Cylinder. Marsh Brothers Aviation Inc
- [STC SA02075SE](https://openairdocs.org/stc/SA02075SE): Installation of a Mid-Continent MD835( ) Lithium Ion Battery. Mid-Continent Instrument Co. Inc
- [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems
- [STC SA04062NY](https://openairdocs.org/stc/SA04062NY): Installation of Garmin G600 Avionics System. airplus engineering GmbH
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA04514NY](https://openairdocs.org/stc/SA04514NY): Single/Dual Transponder System ADS-B Upgrade. Scandinavian Avionics Design ApS
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH): Installation of Airwolf Filter Corp. Air Oil Separator. Airwolf Filter Corporation
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA04330NY](https://openairdocs.org/stc/SA04330NY): Installation of Pitot Heat Failure Warning System. Kenn Borek Air Limited
- [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA02017NY](https://openairdocs.org/stc/SA02017NY): Installation of SMR Technologies pneumatic de-icer models. SMR Technologies Inc
- [STC SA159CH](https://openairdocs.org/stc/SA159CH): Convert left- or right-side cockpit window into a crew door and disconnect pressurization system. Resource Aircraft Conversions
- [STC SA00765DE](https://openairdocs.org/stc/SA00765DE): Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensor. Peregrine
- [STC SA04165NY](https://openairdocs.org/stc/SA04165NY): Installation of Latitude Technologies Skynode S200 Satcom system must be performed. Latitude Technologies Corporation
- [STC SA02153LA-D PAGE 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA01933LA-D](https://openairdocs.org/stc/SA01933LA-D): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc
- [STC SA02212AK](https://openairdocs.org/stc/SA02212AK): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems. Seaplanes North LLC
- [STC SA01114CH](https://openairdocs.org/stc/SA01114CH): Installation of P2 Incorporated 6600 Audio Advisory system. P2 Incorporated
- [STC SA01260WI](https://openairdocs.org/stc/SA01260WI): Installation of the Concorde RG-380E/K and RG2380E/L series VRSLA batteries in the Raytheon King Air Model airplanes listed on the attached FAA Approved Model List (AML) No. SA01260WI, dated June 9, 2004, in accordance with Concorde Battery Corporation, Master Drawing List, Drawing No. 5-0177, Rev. N/C, dated May 1, 2003, or later FAA approved revision. Concorde Battery Corporation
- [STC SA00343BO](https://openairdocs.org/stc/SA00343BO): Installation of a single configuration or a dual configuration Avidyne Corporation Integrated Flight Display, Model IFD540 loaded with Release 10.0 software (or later FAA approved release). Avidyne Corporation
- [STC SA02008NY](https://openairdocs.org/stc/SA02008NY): Installation of SMR Technologies pneumatic de-icer models. BE Aerospace Inc. DBA SMR Technologies, Inc
- [STC SA04161CH](https://openairdocs.org/stc/SA04161CH): Installation of Aluminum Aileron skins in place of Magnesium Aileron skins. SRS Aviation, LLC
- [STC SA00162WI](https://openairdocs.org/stc/SA00162WI): Installation of a Sundstrand Mark VI ground proximity warning system. Textron Aviation Inc
- [STC SA00352BO PAGE 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): Installation of an Avidyne Corporation Mode A/C/S Transponder with ADS-B Out capability, Model AXP340 loaded with Version 3.13 software (or later FAA approved version),. Avidyne Corporation

All 140: https://openairdocs.org/aircraft/N20FW/stcs.md

## Related

- Other Beech B-99 aircraft: https://openairdocs.org/model/beech-b-99/aircraft.md
- The U/A Canada PT6 SER 578HP engine: https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp.md

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