# N973AA: 1988 Short Bros SD3-60

- Status: Valid registration
- Airframe: [Short Bros SD3-60](https://openairdocs.org/model/short-bros-sd3-60) (registry code 8100606, 39 seats)
- Engine: [Pratt & Whitney Canada PT6A-6 series](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-6-series) (registry code 52150)
- Serial number: SH3749
- Year built: 1988
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: November 12, 2004
- Certificate issued: June 2, 2021
- Expires: June 30, 2028
- Mode S code: AD8ECB
- Registered owner: [Acc Integrated Services Inc](https://openairdocs.org/faa-owner/ACC%20INTEGRATED%20SERVICES%20INC)
- Location: [Milwaukee, WI](https://openairdocs.org/faa-place/WI/Milwaukee)
- Owner type: Corporation
- Owner's area on the map: 42.9751° N, 87.8989° W: Placed by OpenAirDocs at the center of ZIP code 53207, 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=973AA
- Page: https://openairdocs.org/aircraft/N973AA

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. The registry lists only the engine series, so ADs for every Pratt & Whitney Canada PT6A-6 model are included.

## ADs that may apply (OpenAirDocs): 84 in force

### Matched by airframe (Short Bros SD3-60)

- [AD 2015-16-04](https://openairdocs.org/ad/2015-16-04): Fire Protection · Airbus Defense and Space C-212-CB, C-212-CC, C-212-CD and 23 more. Effective Sep 15, 2015
- [AD 2010-24-06](https://openairdocs.org/ad/2010-24-06): Fuel · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Feb 16, 2011
- [AD 2008-16-09 R1](https://openairdocs.org/ad/2008-16-09-R1): Stabilizers · Short Brothers SD3-60. Effective Sep 16, 2009
- [AD 2008-12-08](https://openairdocs.org/ad/2008-12-08): Auxiliary fuel tank systems · Short Brothers SD3-60 with STC SA00404AT. Effective Jul 15, 2008
- [AD 2007-08-09](https://openairdocs.org/ad/2007-08-09): Cable operated control system · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective May 8, 2007
- [AD 2006-03-05](https://openairdocs.org/ad/2006-03-05): Main landing gear (MLG) · Short Brothers SD3-60, SD3-60 SHERPA and SD3-SHERPA. Effective Mar 14, 2006
- [AD 2005-19-18](https://openairdocs.org/ad/2005-19-18): Fire extinguisher adapter assemblies · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Oct 26, 2005
- [AD 2005-17-13](https://openairdocs.org/ad/2005-17-13): Rudder horn spar · Short Brothers SD3-60. Effective Sep 12, 2005
- [AD 2005-13-31](https://openairdocs.org/ad/2005-13-31): Vertical stabilizer · Short Brothers SD3-60. Effective Aug 2, 2005
- [AD 2004-25-13](https://openairdocs.org/ad/2004-25-13): Gland Nut on Shock Absorber of Main Landing Gear (MLG) · Short Brothers SD3-60, SD3-60 SHERPA and SD3-SHERPA. Effective Jan 20, 2005
- [AD 2004-16-04](https://openairdocs.org/ad/2004-16-04): Aft Pintle Pin Bushing of the Main Landing Gear (MLG) · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Sep 14, 2004
- [AD 2004-16-02](https://openairdocs.org/ad/2004-16-02): Warning Annunciator Light on the Central Warning Panel · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Sep 14, 2004
- [AD 2002-06-06](https://openairdocs.org/ad/2002-06-06): Rockwell Collins TDR-94 and TDR-94D Mode S transponders · Bombardier ATR42-200, ATR42-300, ATR42-320 and 20 more. Effective May 3, 2002
- [AD 2002-03-13](https://openairdocs.org/ad/2002-03-13): Wiring Harness and Power Cables of the Heated Windshield · Short Brothers SD3-60, SD3-60 SHERPA and SD3-SHERPA. Effective Mar 27, 2002
- [AD 2002-01-22](https://openairdocs.org/ad/2002-01-22): Elevator Torque Shaft Assembly · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Mar 7, 2002
- [AD 2001-24-09](https://openairdocs.org/ad/2001-24-09): Engine Power Lever · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Jan 7, 2002
- [AD 2001-22-05](https://openairdocs.org/ad/2001-22-05): Hydraulic Lines and Adjacent Wiring · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Dec 4, 2001
- [AD 2001-02-08](https://openairdocs.org/ad/2001-02-08): Pneumatic De-icing Boot Indicator Switch · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Feb 20, 2001
- [AD 2000-14-09](https://openairdocs.org/ad/2000-14-09): Ditching Hatch · Short Brothers SD3-60. Effective Aug 23, 2000
- [AD 99-19-20](https://openairdocs.org/ad/99-19-20): AFM - Limitations Section - Ice Protection System · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Dec 27, 1999
- [AD 99-22-05](https://openairdocs.org/ad/99-22-05): Elevator Trim Cable · Short Brothers SD3-60. Effective Nov 26, 1999
- [AD 99-21-22](https://openairdocs.org/ad/99-21-22): Corrosion Of Stub Wing Shear Decks And Ribs · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Nov 17, 1999
- [AD 99-21-02](https://openairdocs.org/ad/99-21-02): Engine Mounting Tube Assembly · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Nov 5, 1999
- [AD 99-18-11](https://openairdocs.org/ad/99-18-11): Bolts of Elevator Control Torque Tube Bearing Housing Retaining Plate · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Oct 6, 1999
- [AD 99-18-10](https://openairdocs.org/ad/99-18-10): Emergency Brake Accumulator Mounting Angle · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Oct 5, 1999
- [AD 99-06-07](https://openairdocs.org/ad/99-06-07): Top and Bottom Shear Decks Of Stub Wings · Short Brothers SD3-60 and SD3-60 SHERPA. Effective Apr 16, 1999
- [AD 98-21-05](https://openairdocs.org/ad/98-21-05): Levers And Bracket Assy Of Inner Flap Sub-Assy · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Nov 10, 1998
- [AD 98-11-24](https://openairdocs.org/ad/98-11-24): AFM - Limitations Section - Power Levers · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Jul 6, 1998
- [AD 98-11-22](https://openairdocs.org/ad/98-11-22): Inspect Diode Mounting Assemblies · Short Brothers SD3-60. Effective Jul 6, 1998
- [AD 96-21-07](https://openairdocs.org/ad/96-21-07): Inspect Brackets Of Flap Hydraulic Units · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Nov 29, 1996
- [AD 96-09-27](https://openairdocs.org/ad/96-09-27): AFM - Icing · Short Brothers SD3-30, SD3-60 and SD3-SHERPA. Effective Jun 11, 1996
- [AD 94-24-05](https://openairdocs.org/ad/94-24-05): Time Delay Relay · Short Brothers SD3-60. Effective Jan 4, 1995
- [AD 94-06-02](https://openairdocs.org/ad/94-06-02): Wing Strut · Short Brothers SD3-30, SD3-60 and SD3-SHERPA. Effective May 16, 1994
- [AD 94-01-06](https://openairdocs.org/ad/94-01-06): Traffic Alert and Collision Avoidance System II Processors · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 176 more. Effective Feb 4, 1994
- [AD 94-01-04](https://openairdocs.org/ad/94-01-04): Traffic Alert and Collision Avoidance System · Airbus A300 B4-601, A300 B4-603, A300 B4-605R and 136 more. Effective Feb 4, 1994
- [AD 93-24-16](https://openairdocs.org/ad/93-24-16): Protective Breathing Equipment · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 149 more. Effective Feb 4, 1994
- [AD 93-25-11](https://openairdocs.org/ad/93-25-11): Horizontal Stabilizers · Short Brothers SD3-60. Effective Jan 26, 1994
- [AD 93-16-05](https://openairdocs.org/ad/93-16-05): Horizontal Stabilizer Attachment Lugs · Short Brothers SD3-60. Effective Oct 4, 1993
- [AD 93-13-06](https://openairdocs.org/ad/93-13-06): MLG Actuator · Short Brothers SD3-60. Effective Aug 18, 1993
- [AD 93-04-02](https://openairdocs.org/ad/93-04-02): Transponders · BAE Systems ATP, CL-600-2A12 (CL-601), DHC-8-101 and 23 more. Effective Mar 26, 1993
- [AD 93-01-12](https://openairdocs.org/ad/93-01-12): Emergency Lights · Short Brothers SD3-60. Effective Mar 2, 1993
- [AD 92-27-17](https://openairdocs.org/ad/92-27-17): Inadvertent Engine Shutdown · Short Brothers SD3-30 and SD3-60. Effective Feb 25, 1993
- [AD 91-10-01](https://openairdocs.org/ad/91-10-01): Traffic Alert and Collision Avoidance Systems · ATR - GIE Avions de Transport Régional ATR42-200, ATR42-300, 727-100 Series and 28 more. Effective Mar 10, 1992
- [AD 92-02-16](https://openairdocs.org/ad/92-02-16): Rudder Torque Tube Fitting · Short Brothers SD3-60. Effective Mar 9, 1992
- [AD 91-18-13](https://openairdocs.org/ad/91-18-13): Pitot/Static Heaters · Short Brothers SD3-30 and SD3-60. Effective Oct 16, 1991
- [AD 91-11-11](https://openairdocs.org/ad/91-11-11): Spool Spindle · Short Brothers SD3-60. Effective Jul 1, 1991
- [AD 90-15-07](https://openairdocs.org/ad/90-15-07): Air Conditioning System · Short Brothers SD3-60 with STC SA3749SW. Effective Jul 31, 1990
- [AD 90-14-09](https://openairdocs.org/ad/90-14-09): Wing/Strut Attachment Fittings · Short Brothers SD3-60. Effective Jul 23, 1990
- [AD 89-02-11](https://openairdocs.org/ad/89-02-11): Engine Power Control Cables · Short Brothers SD3-60. Effective Feb 17, 1989
- [AD 88-01-10 R1](https://openairdocs.org/ad/88-01-10-R1): Horizontal Stabilizer Bushings · Short Brothers SD3-60. Effective Oct 10, 1988

### Matched by engine (Pratt & Whitney Canada PT6A-6 series)

- [AD 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024
- [AD 2016-05-13](https://openairdocs.org/ad/2016-05-13): Corrosion and perforation of the two-ply Cu-Be bellows in Woodward FCUs. · Pratt & Whitney Canada PT6A-60AG, PT6A-65AG, PT6A-67AF and 1 more. Effective Apr 22, 2016
- [AD 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012
- [AD 2004-25-18](https://openairdocs.org/ad/2004-25-18): Propeller governor assemblies · Pratt & Whitney Canada PT6A-60A and PT6A-65B. Effective Jan 18, 2005
- [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997
- [AD 95-13-08](https://openairdocs.org/ad/95-13-08): Compressor Turbine Disk · Pratt & Whitney Canada PT6A-67D. Effective Jul 12, 1995
- [AD 92-15-11](https://openairdocs.org/ad/92-15-11): Compressor Delivery Air Line (P3) Filter Assembly · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-21 and 7 more. Effective Aug 17, 1992
- [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980
- [AD 80-04-02](https://openairdocs.org/ad/80-04-02): Push-Pull Control Terminal · Pratt & Whitney Canada PT6A-20, PT6A-6A, PT6A-6B and 1 more. Effective Feb 8, 1980
- [AD 75-06-01](https://openairdocs.org/ad/75-06-01): Gearbox Deterioration · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 11 more. Effective Apr 1, 1977
- [AD 75-11-04](https://openairdocs.org/ad/75-11-04): Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 more. Effective May 20, 1975
- [AD 70-16-01](https://openairdocs.org/ad/70-16-01): Turbo Propeller Governors · Pratt & Whitney Canada PT6A-11, PT6A-11AG, PT6A-15AG and 5 more. Effective Aug 4, 1970
- [AD 69-23-06](https://openairdocs.org/ad/69-23-06): Fuel Pumps · Pratt & Whitney Canada PT6A-20, PT6A-27, PT6A-28 and 4 more. Effective Nov 15, 1969
- [AD 68-05-03](https://openairdocs.org/ad/68-05-03): Reverse Mode · Pratt & Whitney Canada PT6A-20 and PT6A-6B. Effective Feb 28, 1968

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

- [AD 2008-16-09](https://openairdocs.org/ad/2008-16-09) (historical): Balance weight brackets · Short Brothers SD3-60. Effective Sep 15, 2008
- [AD 2006-12-18](https://openairdocs.org/ad/2006-12-18) (historical): Fuel tank · Short Brothers SD3-30, SD3-60, SD3-60 SHERPA and 1 more. Effective Jul 21, 2006
- [AD 2005-04-13](https://openairdocs.org/ad/2005-04-13) (historical): Elevator trim tabs · Short Brothers SD3-60. Effective Mar 14, 2005
- [AD 2004-13-08](https://openairdocs.org/ad/2004-13-08) (historical): Balance weight brackets for the left and right elevator trim tabs · Short Brothers SD3-60. Effective Aug 3, 2004
- [AD 98-09-28](https://openairdocs.org/ad/98-09-28) (historical): Cover On Fire Extinguisher Adapter Assembly · Short Brothers SD 3-30, SD3-60 and SD3-60 SHERPA. Effective Jun 8, 1998
- [AD 96-22-09](https://openairdocs.org/ad/96-22-09) (historical): MLG Shock Absorber Gland Nut · Short Brothers SD3-60, SD3-60 SHERPA and SD3-SHERPA. Effective Dec 11, 1996
- [AD 74-08-09 R2](https://openairdocs.org/ad/74-08-09-R2) (historical): Waste Receptacles · Aero Spacelines 377, 377MG, 377SGT and 268 more. Effective Jul 29, 1996
- [AD 93-02-03](https://openairdocs.org/ad/93-02-03) (historical): MLG Inspection · Short Brothers SD3-60 and SD3-60 SHERPA. Effective Mar 18, 1993
- [AD 87-16-02](https://openairdocs.org/ad/87-16-02) (historical): Propeller Blade Pilot Tube Bore · Hartzell Propeller HC-B5MP-3 and SD3-60

All 93: https://openairdocs.org/aircraft/N973AA/ads.md

## Information bulletins (advisory) (5 in force)

- [SAIB NM-09-03](https://openairdocs.org/saib/NM-09-03): Engine Fuel and Control - Implementing Fuel Tank System Airworthiness Limitations. Issued Dec 11, 2008
- [SAIB NE-15-21](https://openairdocs.org/saib/NE-15-21): Fuel Injector Nozzle. Issued Aug 19, 2015
- [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011
- [SAIB NE-06-34](https://openairdocs.org/saib/NE-06-34): . Issued Mar 21, 2006
- [SAIB CE-03-24](https://openairdocs.org/saib/CE-03-24): . Issued Feb 19, 2003

## NTSB investigations

None matched to N973AA.

## FAA accident and incident reports

None matched to N973AA.

## Reports on N973AA not matched to an aircraft (1)

They name N973AA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19990805027449I](https://openairdocs.org/incident/19990805027449I), Aug 5, 1999: Bell 407 (N973AA), New Iberia, LA. (-23) Pilot was heading southbound out of New Iberia (ara), when the fadec horn sounded and lights illuminated. Pilot retarded throttle to 90% ng, fadec went…

## Service difficulty reports (2)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR EXDA2019092500000](https://openairdocs.org/sdr/EXDA2019092500000), Sep 20, 2019: ENGINE. FLAMED OUT. WHILE ENROUTE FROM KSUS TO KDTO THE RIGHT ENGINE HAD AN UNCOMMANDED SHUT DOWN IN FLIGHT. THE FLIGHT CREW ASKED ACT TO LAND AT THE NEAREST AIRPORT. THE AIRCRAFT 
- [SDR N973081107](https://openairdocs.org/sdr/N973081107), Aug 10, 2007: INDICATION SYS. MALFUNCTIONED. WHILE EN ROUTE TO MCI THE FLIGHT CREW ELECTED TO SHUT DOWN THE RIGHT ENGINE AS A PRECAUTIONARY MEASURE DUE TO ERRATIC PROPELLER SPEED INDICATION AND DIVERTED TO

## Service difficulty reports on N973AA not matched to an aircraft (5)

They name N973AA, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR AO52002F00000](https://openairdocs.org/sdr/AO52002F00000), May 10, 2002: FLOAT. CORRODED. FLOAT WAS INSPECTED, AND WAS DETERMINED TO BE EXTREMELY CORRODED AND IN AN IMMANENT FAILURE CONDITION.
- [SDR 99ZZZX4562](https://openairdocs.org/sdr/99ZZZX4562), Aug 5, 1999: ECU. FAILED. THE ECU, SN JG7ALK0380 FAILED AND WENT INTO THE MANUAL MODE. ATTEMPTS WERE MADE TO DOWNLOAD INFORMATION FROM THE ECU WITH NO RESULTS. REMOVED THE DEFECTIVE ECU.
- [SDR 98ZZZX3365](https://openairdocs.org/sdr/98ZZZX3365), Jul 23, 1998: INDICATOR. FAILED. DURING GROUND RUN AFTER ANNUAL INSPECTION, ENGINE OIL PRESSURE GAUGE WENT FROM A NORMAL INDICATION TO ZERO. TROUBLESHOOTING THE PROBLEM, FOUND ENGINE OIL PRESSU
- [SDR 98ZZZX3366](https://openairdocs.org/sdr/98ZZZX3366), Jul 17, 1998: VERTICAL FIN. DAMAGED. DURING C/W ASB 407-98-17, THE VERTICAL FIN WAS FOUND DAMAGED BEYOND THE MAXIMUM LIMIT. ACTUAL DEPTH IS APPROXIMATE DEPTH OF .027 INCH. REPLACED FIN WITH NEW FIN
- [SDR 98ZZZX1427](https://openairdocs.org/sdr/98ZZZX1427), Jan 7, 1998: TRANSMITTER. ERRATIC. TORQUE INDICATOR READINGS ERRATIC. TROUBLESHOT SYSTEM, REPLACED TORQUE TRANSMITTER WITH NEW ASSY, FUNCTIONAL CHECK OK.

## STCs that may be installed (OpenAirDocs) (17)

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 engine (Pratt & Whitney Canada PT6A-6 series)

- [STC SE00003EN](https://openairdocs.org/stc/SE00003EN): Instructions for Continued Airworthiness for the PT6A-6/C20, -20, -20A and, -20B engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-6/C20
- [STC SE01624WI](https://openairdocs.org/stc/SE01624WI): Conversion of Pratt & Whitney Canada, Model PT6A-60A to a North Star Aviation PT6A-60AG turboprop engine. Data required: 1. A copy of this certificate 2. North Star Aviation document, NSA No. 1200, Turboprop Engine Conversion of PT6A-60A Model to PT6A-60AG Configuration per FAA Approved STC , dated March 15, 2011, or later FAA approved revision 3. The ICA supplement for North Star Aviation PT6A-60AG models, Instructions for Continued Airworthiness, NSA No. 1200-ICA, Rev NC, dated March 9, 2011 or later applicable revision. North Star Aviation Inc. Lists PT6A-60A
- [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc
- [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc
- [STC SE8652SW](https://openairdocs.org/stc/SE8652SW): Installation of a flexible hose from the Propeller Primary Governor to the Fuel Control Unit. Air Tractor Inc. Lists PT6A-60AG
- [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation
- [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc. Lists PT6A-60A
- [STC SE00022EN](https://openairdocs.org/stc/SE00022EN): Installation of Oil Tank Filler Neck Check Valve. Helicopter Support Inc Services Div. Lists PT6A-66
- [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support
- [STC SE8827SW](https://openairdocs.org/stc/SE8827SW): Modification to exhaust duct P/N 3109946-01. Air Tractor, Inc. Lists PT6A-67
- [STC SE1269EA](https://openairdocs.org/stc/SE1269EA): Stripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc. Airwork Corporation
- [STC SE5601SW](https://openairdocs.org/stc/SE5601SW): Replacement splined end and oil mist lubrication on accessory drive gearshaft. Aviall of Texas, Inc
- [STC SE1165EA](https://openairdocs.org/stc/SE1165EA): Assembly and installation of AW10262 wet spline starter gear seal. Airwork Corporation
- [STC SE4607SW](https://openairdocs.org/stc/SE4607SW): Revise the starter-generator drive spline to provide lubrication with engine oil. Aviall of Texas, Inc
- [STC SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc

## Related

- Other Short Bros SD3-60 aircraft: https://openairdocs.org/model/short-bros-sd3-60/aircraft.md
- The Pratt & Whitney Canada PT6A-6 series engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-6-series.md

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