# N221LM: 1987 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: [U/A Canada PT6A series](https://openairdocs.org/engine/u-a-canada-pt6a-series) (registry code 61508)
- Serial number: SH3722
- Year built: 1987
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: November 29, 2001
- Certificate issued: July 1, 2009
- Expires: October 31, 2027
- Mode S code: A1E5BE
- Registered owner: [Trans Executive Airlines Of Hawaii Inc](https://openairdocs.org/faa-owner/TRANS%20EXECUTIVE%20AIRLINES%20OF%20HAWAII%20INC)
- Location: [Honolulu, HI](https://openairdocs.org/faa-place/HI/Honolulu)
- Owner type: Corporation
- Owner's area on the map: 21.3363° N, 157.9207° W: Placed by OpenAirDocs at the center of ZIP code 96820, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=221LM
- Page: https://openairdocs.org/aircraft/N221LM

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 U/A Canada PT6A model are included.

## ADs that may apply (OpenAirDocs): 69 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 (U/A Canada PT6A series)

None in force.

### 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 78: https://openairdocs.org/aircraft/N221LM/ads.md

## Information bulletins (advisory) (1 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

## 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 ANC25LA050](https://openairdocs.org/ntsb/ANC25LA050), Jun 11, 2025: Short Bros SD3-60 (N221LM), Honolulu, HI, substantial damage. Probable cause: The pilots’ failure to extend the landing gear prior to landing. Contributing to the accident was the pilots’ failure to complete the Before Landing checklist.
- [NTSB WPR15LA202](https://openairdocs.org/ntsb/WPR15LA202), Jun 30, 2015: Short Bros SD3 60 (N221LM), Kapolei, HI, substantial damage. Probable cause: The pilots’ failure to extend the landing gear before landing. Contributing to the accident was the pilots’ failure to complete the Before Landing checklist.

## FAA accident and incident reports (5)

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.

- [Accident 20250611008759A](https://openairdocs.org/incident/20250611008759A), Jun 11, 2025: Short Bros SD3-60 (N221LM), Honolulu, HI, Substantial damage. Aircraft was returning to hnl airport, crew switched seats so SIC sat left hand to have practice with operating the ground stearing tiller and PIC sat right…
- [Incident 20230816010019I](https://openairdocs.org/incident/20230816010019I), Aug 16, 2023: Short Bros SD3-60 (N221LM), Honolulu, HI, No damage. Shortly after takeoff, aircraft experienced dual hydraulic failure. Crew declared emergency and approached hnl. Landing gear handle was placed in down position…
- [Incident 20210930016079I](https://openairdocs.org/incident/20210930016079I), Sep 30, 2021: Short Bros SD3-60 (N221LM), Hilo, HI, Minor damage. At approximately 0810 Hawaii local time N221LM, a SD3-60 aircraft, [privacy data omitted] a 14 CFR part 135 on demand operator impacted a ground vechicle…
- [Accident 20150629011759A](https://openairdocs.org/incident/20150629011759A), Jun 29, 2015: Short Bros SD3-60 (N221LM), Kapolei, HI, Substantial damage. On June 29, 2015, a company check airman was conducting a 14 CFR part 135.293 and .299 check for an initial new hire (first officer). After completing a VOR…
- [Incident 20111210027749I](https://openairdocs.org/incident/20111210027749I), Dec 10, 2011: Short Bros SD3-60 (N221LM), Honolulu, HI, No damage. Incident occurred on 12/10/2011 at approximately 0925, a SD3-60 N221LM s/n SH3722 operated by trans executive airlines of Hawaii departed kona airport (koa)…

## Service difficulty reports (1)

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 TXHA202401180124](https://openairdocs.org/sdr/TXHA202401180124), Aug 16, 2023: PUMP. FAILED. DUAL ENGINE HYDRAULIC PUMP FAILURE.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Short Bros SD3-60 aircraft: https://openairdocs.org/model/short-bros-sd3-60/aircraft.md
- The U/A Canada PT6A series engine: https://openairdocs.org/engine/u-a-canada-pt6a-series.md

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