# N142Z: 1985 Short Bros SD3-60 SHERPA

- Status: Valid registration
- Airframe: [Short Bros SD3-60 SHERPA](https://openairdocs.org/model/short-bros-sd3-60-sherpa) (registry code 8110101, 39 seats)
- Engine: [Pratt & Whitney Canada PT6A-65AR](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-65ar) (registry code 52277)
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: SH3421
- Year built: 1985
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: September 12, 2018
- Certificate issued: November 20, 2014
- Expires: November 30, 2027
- Mode S code: A0AC5D
- Registered owners: [Usda Forest Service](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE), [Fire & Aviation](https://openairdocs.org/faa-owner/FIRE%20%26%20AVIATION)
- Location: [Boise, ID](https://openairdocs.org/faa-place/ID/Boise)
- Owner type: Government
- Owner's area on the map: 43.5548° N, 116.2214° W: Placed by OpenAirDocs at the center of ZIP code 83705, 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=142Z
- Page: https://openairdocs.org/aircraft/N142Z

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): 32 in force

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

- [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 2009-21-10 R1](https://openairdocs.org/ad/2009-21-10-R1): Oxygen · Airbus A300 B4-605R, A300 B4-620, A300 B4-622 and 138 more. Effective Feb 4, 2010
- [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 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 2004-13-21](https://openairdocs.org/ad/2004-13-21): Bolts that attach the vertical stabilizer to the horizontal stabilizer · Short Brothers SD3-60 SHERPA. Effective Aug 3, 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 2000-22-05](https://openairdocs.org/ad/2000-22-05): Power Control Cable Assemblies · Short Brothers SD3-60 SHERPA. Effective Dec 4, 2000
- [AD 2000-02-02](https://openairdocs.org/ad/2000-02-02): Oxygen System "O" Rings · Short Brothers SD3-30, SD3-60 SHERPA and SD3-SHERPA. Effective Feb 29, 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 99-21-22](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 98-20-32](https://openairdocs.org/ad/98-20-32): Side Plates At Fuselage Wing Strut Pick-Up Area · Short Brothers SD3-60 SHERPA. Effective Oct 30, 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 98-03-13](https://openairdocs.org/ad/98-03-13): Oxygen Tubing Pipe Assembly · Short Brothers SD3-60 SHERPA and SD3-SHERPA. Effective Mar 12, 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 96-21-10](https://openairdocs.org/ad/96-21-10): AFM - Icing · Short Brothers SD3-60 SHERPA. Effective Nov 22, 1996
- [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

### Matched by engine (Pratt & Whitney Canada PT6A-65AR)

- [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

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

- [AD 2009-21-10](https://openairdocs.org/ad/2009-21-10) (historical): Oxygen · Airbus A300, Model B4-605R, A300, Model B4-620, A300, Model B4-622 and 138 more. Effective Dec 17, 2009
- [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 99-03-06](https://openairdocs.org/ad/99-03-06) (historical): Power Control Cable Assemblies and Pulleys · Short Brothers SD3-60 SHERPA. Effective Mar 11, 1999
- [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 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

## Information bulletins (advisory) (3 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 CE-03-24](https://openairdocs.org/saib/CE-03-24): . Issued Feb 19, 2003

## NTSB investigations

None matched to N142Z.

## FAA accident and incident reports

None matched to N142Z.

## 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.

## Service difficulty reports on N142Z not matched to an aircraft (2)

They name N142Z, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 95ZZZX5841](https://openairdocs.org/sdr/95ZZZX5841), Aug 21, 1995: EXHAUST DUCT. CRACK. A 1 INCH CRACK WAS FOUND IN THE WELD AREA OF THE TURBINE EXHAUST DUCT DRAIN LOCATED AT THE 6 O'CLOCK POSITION. OIL HAD PUDDLED INSIDE THE EXHAUST DUCT DUE TO A 
- [SDR 95ZZZX5838](https://openairdocs.org/sdr/95ZZZX5838), Aug 21, 1995: BLADE. CRACKED. WHILE PERFORMING AN ENGINE HOT SECTION INSPECTION, THE COMPRESSOR TURBINE WAS FOUND TO HAVE ALL 52 BLADE TIP TO SEGMENT CLEARANCES WORN BEYOND SERVICEABLE LIMIT

## STCs that may be installed (OpenAirDocs) (6)

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-65AR)

- [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
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc
- [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

## Earlier aircraft with N142Z

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N142Z before.

- [Cancelled 1984-03-07](https://openairdocs.org/deregistered/N142Z-1984-03-07): Aero Commander 500-B, S/N 1470167. Administratively canceled. Owner: [US Department Of Agriculture](https://openairdocs.org/faa-owner/US%20DEPARTMENT%20OF%20AGRICULTURE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque)

## Related

- Other Short Bros SD3-60 SHERPA aircraft: https://openairdocs.org/model/short-bros-sd3-60-sherpa/aircraft.md
- The Pratt & Whitney Canada PT6A-65AR engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-65ar.md

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