# N258AS: 1989 Embraer EMB-120ER

- Status: Valid registration
- Airframe: [Embraer EMB-120ER](https://openairdocs.org/model/embraer-emb-120er) (registry code 3260203, 32 seats)
- Engine: [Pratt & Whitney Canada PW118](https://openairdocs.org/engine/pratt-whitney-canada-pw118) (registry code 52116)
- Data sheets: [TCDS A31SO](https://openairdocs.org/tcds/A31SO) (Embraer S.A.), [TCDS E20NE](https://openairdocs.org/tcds/E20NE) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: 120.131
- Year built: 1989
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, transport
- Airworthiness date: July 9, 2002
- Certificate issued: January 14, 2014
- Expires: January 31, 2030
- Mode S code: A27547
- 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=258AS
- Page: https://openairdocs.org/aircraft/N258AS

From the FAA registry file of October 22, 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): 61 in force

### Matched by airframe (Embraer EMB-120ER)

- [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 2025-02-09](https://openairdocs.org/ad/2025-02-09): Fuselage · Embraer EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Mar 18, 2025
- [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 2017-10-04](https://openairdocs.org/ad/2017-10-04): Landing Gear · Embraer EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jun 29, 2017
- [AD 2011-08-09](https://openairdocs.org/ad/2011-08-09): Fuel · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 1, 2011
- [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 2010-19-04](https://openairdocs.org/ad/2010-19-04): Airborne Auxiliary Power · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Oct 27, 2010
- [AD 2008-04-18 R1](https://openairdocs.org/ad/2008-04-18-R1): Fuel · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Nov 16, 2009
- [AD 2009-15-18](https://openairdocs.org/ad/2009-15-18): Fuel · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Sep 2, 2009
- [AD 2008-15-01](https://openairdocs.org/ad/2008-15-01): Elevator trim system · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 21, 2008
- [AD 2007-26-21](https://openairdocs.org/ad/2007-26-21): EMB-120 wing section · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Feb 20, 2008
- [AD 2006-12-14](https://openairdocs.org/ad/2006-12-14): Shut-off and crossbleed valves of the bleed air system · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jul 18, 2006
- [AD 2006-11-10](https://openairdocs.org/ad/2006-11-10): De-icing system ejector flow control valves · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jun 30, 2006
- [AD 2006-10-09](https://openairdocs.org/ad/2006-10-09): Wiring harnesses · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jun 20, 2006
- [AD 2006-07-18](https://openairdocs.org/ad/2006-07-18): Elevator control surface · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective May 12, 2006
- [AD 2006-02-02](https://openairdocs.org/ad/2006-02-02): Auxiliary power unit (APU) · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Feb 24, 2006
- [AD 2005-25-01](https://openairdocs.org/ad/2005-25-01): Electrical harnesses · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jan 9, 2006
- [AD 2004-14-25](https://openairdocs.org/ad/2004-14-25): Lower rotating beacon to the airframe · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 23, 2004
- [AD 2004-14-24](https://openairdocs.org/ad/2004-14-24): Rotary variable inductive transducers (RVITs) · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 23, 2004
- [AD 2004-13-12](https://openairdocs.org/ad/2004-13-12): Airplane Flight Manual - propeller synchronizer switch · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 6, 2004
- [AD 2004-13-13](https://openairdocs.org/ad/2004-13-13): Access door ramp of the fueling control panel · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Aug 3, 2004
- [AD 2004-12-18](https://openairdocs.org/ad/2004-12-18): Vertical Cargo Nets in Cargo-Configured Cabins · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jul 27, 2004
- [AD 2004-12-12](https://openairdocs.org/ad/2004-12-12): Main landing gear (MLG) · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Jul 21, 2004
- [AD 2004-06-07](https://openairdocs.org/ad/2004-06-07): Pitot/static 1, 2 and auxiliary sensors · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Apr 29, 2004
- [AD 2004-01-04](https://openairdocs.org/ad/2004-01-04): Hydraulic tube assemblies · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Feb 13, 2004
- [AD 2003-15-05](https://openairdocs.org/ad/2003-15-05): Flight idle stop system circuit breaker · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Sep 4, 2003
- [AD 2003-12-12](https://openairdocs.org/ad/2003-12-12): Airplane Flight Manual - flight attendant's seat · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Jul 28, 2003
- [AD 2001-22-14](https://openairdocs.org/ad/2001-22-14): Fire Extinguishing System Bottle Cartridges · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 105 more. Effective Dec 10, 2001
- [AD 2001-20-17](https://openairdocs.org/ad/2001-20-17): Airplane Flight Manual-Ice Accretion · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Oct 22, 2001
- [AD 2001-15-17](https://openairdocs.org/ad/2001-15-17): Transponder Control Panels · Bombardier ATR42-200, ATR42-300, ATR42-320 and 30 more. Effective Aug 20, 2001
- [AD 2001-06-18](https://openairdocs.org/ad/2001-06-18): AFM Revisions - Limitations Section - Ice Protection System · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Apr 16, 2001
- [AD 2000-23-30](https://openairdocs.org/ad/2000-23-30): Elevator Control Cable · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Jan 2, 2001
- [AD 2000-23-09](https://openairdocs.org/ad/2000-23-09): Hydraulics · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Dec 20, 2000
- [AD 2000-22-12](https://openairdocs.org/ad/2000-22-12): Circuit Breakers · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Dec 12, 2000
- [AD 2000-22-08](https://openairdocs.org/ad/2000-22-08): Mass-Balance Weights of the Aileron · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Dec 11, 2000
- [AD 2000-19-07](https://openairdocs.org/ad/2000-19-07): Direct Current (DC) Relay Box · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Oct 31, 2000
- [AD 2000-19-10](https://openairdocs.org/ad/2000-19-10): Prevent Sudden Change In Pitch Attitude · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 1 more. Effective Oct 13, 2000
- [AD 99-19-28](https://openairdocs.org/ad/99-19-28): Brake Assemblies Of Main Landing Gear · Embraer - Empresa Brasileira de Aeronautica EMB-120ER and EMB-120RT. Effective Oct 20, 1999
- [AD 99-17-04](https://openairdocs.org/ad/99-17-04): Aileron Control Cables And Nylon Grommets · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Sep 22, 1999
- [AD 99-02-18 R1](https://openairdocs.org/ad/99-02-18-R1): Titanium Thermal Insulating Blankets · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Mar 3, 1999
- [AD 98-15-22](https://openairdocs.org/ad/98-15-22): Wing De-Ice Boot · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Aug 27, 1998
- [AD 98-13-29](https://openairdocs.org/ad/98-13-29): AFM - Limitation Section - Power Levers · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Jul 29, 1998
- [AD 98-03-19](https://openairdocs.org/ad/98-03-19): Prevent Generator Overload Conditions · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Mar 18, 1998
- [AD 97-05-02](https://openairdocs.org/ad/97-05-02): Channel Fairings And Shims · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Apr 2, 1997
- [AD 97-02-21](https://openairdocs.org/ad/97-02-21): Inspect Wing Skin For Fuel Leakage · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Mar 3, 1997
- [AD 96-25-12](https://openairdocs.org/ad/96-25-12): Auxiliary Power Units · BAE Systems HS 748 Series 2A, HS 748 Series 2B, 707-100 Long Body and 74 more. Effective Jan 13, 1997
- [AD 95-26-15 R1](https://openairdocs.org/ad/95-26-15-R1): Traffic Alert and Collision Avoidance Systems · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 159 more. Effective Dec 26, 1996
- [AD 96-09-24](https://openairdocs.org/ad/96-09-24): AFM- Icing · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Jun 11, 1996
- [AD 95-25-11](https://openairdocs.org/ad/95-25-11): AFM - Limitations Sections Propeller · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Dec 27, 1995
- [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

### Matched by engine (Pratt & Whitney Canada PW118)

- [AD 2012-26-08](https://openairdocs.org/ad/2012-26-08): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Feb 15, 2013
- [AD 2006-19-06](https://openairdocs.org/ad/2006-19-06): Propeller shaft · Pratt & Whitney Canada PW118, PW118A, PW118B and 14 more. Effective Sep 29, 2006
- [AD 2003-21-03](https://openairdocs.org/ad/2003-21-03): Low pressure rotor speed (NL) sensor · Pratt & Whitney Canada PW118, PW120, PW120A and 1 more. Effective Nov 20, 2003
- [AD 2003-16-04](https://openairdocs.org/ad/2003-16-04): Fuel heaters · Pratt & Whitney Canada PW118, PW118A, PW118B and 19 more. Effective Sep 10, 2003
- [AD 98-14-02](https://openairdocs.org/ad/98-14-02): Fuel Manifold Transfer Tubes · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Aug 31, 1998
- [AD 97-17-05](https://openairdocs.org/ad/97-17-05): Gas Generator Case Drain Ports · Pratt & Whitney Canada PW118, PW118A, PW118B and 17 more. Effective Sep 9, 1997
- [AD 94-03-02](https://openairdocs.org/ad/94-03-02): High Pressure Turbine Disks · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Feb 16, 1994
- [AD 92-01-08](https://openairdocs.org/ad/92-01-08): High Pressure Rotor · Pratt & Whitney Canada PW118, PW118A, PW120 and 5 more. Effective Jul 27, 1992
- [AD 91-06-02](https://openairdocs.org/ad/91-06-02): Turbomachinery Magnetic Chip Detector · Pratt & Whitney Canada PW118, PW118A, PW120 and 6 more. Effective Mar 29, 1991
- [AD 91-01-03](https://openairdocs.org/ad/91-01-03): Hydromechanical Fuel Control Units · Pratt & Whitney Canada JT15D-5, PW118, PW118A and 3 more. Effective Jan 7, 1991
- [AD 88-26-51](https://openairdocs.org/ad/88-26-51): High Pressure Turbine Components · Pratt & Whitney Canada PW118, PW118A, PW120 and 2 more. Effective Sep 22, 1989

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

- [AD 2008-04-18](https://openairdocs.org/ad/2008-04-18) (historical): Critical Design Configuration Control Limitations (CDCCL) · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER, EMB-120FC and 2 more. Effective Apr 3, 2008
- [AD 2001-17-01](https://openairdocs.org/ad/2001-17-01) (historical): Aileron and Elevator · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Aug 27, 2001
- [AD 2001-13-14](https://openairdocs.org/ad/2001-13-14) (historical): Airplane Flight Manual--Placard on the Main Instrument Panel, and the "LIGHT-HEAVY" Inflation Switch of the 
Leading Edge Deicing Boots · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Jul 12, 2001
- [AD 2001-02-06](https://openairdocs.org/ad/2001-02-06) (historical): Icing Conditions · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Mar 5, 2001
- [AD 2000-20-05](https://openairdocs.org/ad/2000-20-05) (historical): Landing Gear Doors · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Nov 13, 2000
- [AD 99-02-18](https://openairdocs.org/ad/99-02-18) (historical): Titanium Thermal Insulating Blankets · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Mar 3, 1999
- [AD 97-26-06](https://openairdocs.org/ad/97-26-06) (historical): AFM - Limitation Section - Ice · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Jan 23, 1998
- [AD 97-26-22](https://openairdocs.org/ad/97-26-22) (historical): Movable Backstop Of Elevator Pitch Trim · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Jan 13, 1998
- [AD 92-16-51](https://openairdocs.org/ad/92-16-51) (historical): Backup Flight Idle Stop System · Embraer - Empresa Brasileira de Aeronautica EMB-120, EMB-120ER and EMB-120RT. Effective Sep 23, 1992
- [AD 2012-11-14](https://openairdocs.org/ad/2012-11-14) (historical): Propeller shafts · Pratt & Whitney Canada PW118, PW118A, PW118B and 20 more. Effective Jul 20, 2012

## 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

None matched to N258AS.

## FAA accident and incident reports

None matched to N258AS.

## Service difficulty reports (39)

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 JIKA2022111101](https://openairdocs.org/sdr/JIKA2022111101), Nov 11, 2022: UNKNOWN. SMOKE. DURING DESCENT INTO KFHU PILOT NOTED SMOKE COMING FROM PILOT’S YOKE. PILOT DID DECLARE AN EMERGENCY. PHX MAINTENANCE TRAVELED TO KFHU AND INSPECTED YOKE AUTO PI
- [SDR JIKA2022050601](https://openairdocs.org/sdr/JIKA2022050601), May 6, 2022: SENSOR. DEFECTIVE. FOUND A DEFECTIVE PROX SENSOR. REMOVED AND REPLACED SENSOR. ISSUE REMAINED. REMOVED AND REPLACED WARNING COMPUTER WITH NO CHANGE NOTED. FOUND SIGNAL WIRE SHORTI
- [SDR JIKA201809100402](https://openairdocs.org/sdr/JIKA201809100402), Sep 4, 2018: ACTUATOR. DEFECTIVE. AFTER T/O FROM KONT AND RETRACTING THE FLAPS AT APPROX 1000 FEET, FLAP DISAGREEMENT LIGHT ILLUMINATED. CREW PERFORMED A SYSTEM CHECK PER QRH AND WAS UNABLE TO C
- [SDR JIKA201809100401](https://openairdocs.org/sdr/JIKA201809100401), Sep 4, 2018: WARNING SYSTEM. FALSE ACTIVATION. THE CREW REPORTED AFTER TAKEOFF FROM KLAX, A FLAP DISAGREEMENT WARNING OCCURRED. THEY PERFORMED A SYSTEM CHECK IN ACCORDANCE WITH QRH AND RECYCLED THE FLAPS, BU
- [SDR JIKA2016030601](https://openairdocs.org/sdr/JIKA2016030601), Mar 6, 2016: SOLENOID VALVE. DEFECTIVE. ON DEPARTURE, THE PILOT REPORTED THAT THE LT MAIN GEAR DOORS REMAINED OPEN. THE PILOT RETURNED & UPON GEAR EXTENSION REPORTED THAT THE NOSE GEAR DID NOT GET A G
- [SDR JIKA2016012001](https://openairdocs.org/sdr/JIKA2016012001), Jan 17, 2016: SIGNAL COND UNIT. INTERMITTENT. AFTER TAKEOFF, THE RT ENG AUTO FEATHERED. THE RT ENG TORQUE READOUT WAS ZERO. ALL OTHER ENG PARAMETERS SHOWED NORMAL ENG OPERATING CONDITIONS. THE PILOT RETURNE
- [SDR ASOA03226](https://openairdocs.org/sdr/ASOA03226), May 20, 2003: WIRE. LOOSE. FLT 4939 - DURING A GROUND INSPECTION IN DFW, THE RIGHT AFT EXTERIOR EMERGENCY LIGHT WAS FOUND TO BE INOPERATIVE. MAINTENANCE REPAIRED THE DEFECTIVE WIRE SPLICE
- [SDR ASOA03223](https://openairdocs.org/sdr/ASOA03223), May 18, 2003: WINDSHIELD. SEPARATED. FLT 4888 - DURING CLIMB-OUT FROM AEX-GTR, AT APPROXIMATELY 14,000 FEET THE CABIN PRESSURE BEGAN TO CLIMB AT 2,000 FEET PER MINUTE. THE AIRCRAFT DESCENDED TO 10,
- [SDR ASOA03101](https://openairdocs.org/sdr/ASOA03101), Mar 10, 2003: BATTERY. INOPERATIVE. FLT 4903 - DURING CRUISE FROM IAH-DFW, THE LAVATORY SMOKE DETECTOR GAVE RANDOM FALSE ALARMS. MAINTENANCE REMOVED AND REPLACED THE LAVATORY SMOKE DETECTOR BATTER
- [SDR ASOA02634](https://openairdocs.org/sdr/ASOA02634), Dec 19, 2002: STRINGER. CRACKED. DURING HANGAR INSPECTION IN TXK, THE RIGHT WING STRINGER NR 10 CLOSE TO RIB NR 3 WAS FOUND TO BE CRACKED BEYOND LIMITS. MAINTENANCE WILL REPAIR THE RIGHT WING S
- [SDR ASOA02616](https://openairdocs.org/sdr/ASOA02616), Nov 23, 2002: BATTERY. DISCHARGED. FLT 4286 - DURING CRUISE FROM AVL-ATL, THE LAVATORY SMOKE DETECTOR MALFUNCTIONED. MAINTENANCE REMOVED AND REPLACED THE LAVATORY SMOKE DETECTOR BATTERY. OPERATIO
- [SDR ASOA02615](https://openairdocs.org/sdr/ASOA02615), Nov 23, 2002: BATTERY. DISCHARGED. FLT 4081 - DURING CRUISE FROM ATL-CSG, THE SMOKE DETECTOR IN THE LAVATORY BEGAN TO BEEP INTERMITTENTLY. MAINTENANCE REMOVED AND REPLACED THE LAVATORY SMOKE DETE
- [SDR ASOA02273](https://openairdocs.org/sdr/ASOA02273), Apr 30, 2002: FRAME. CORRODED. DURING C-CHECK INSPECTION IN BNA, THE SKIN SUPPORT AT FRAME 22, BETWEEN STRINGERS 18 LEFT AND 19 LEFT, WAS CORRODED OUT OF LIMITS AND ALSO HAD A CRACK MIGRATING
- [SDR ASOA02272](https://openairdocs.org/sdr/ASOA02272), Apr 30, 2002: SEAT TRACK. CORRODED. DURING C-CHECK INSPECTION, THE RIGHT FORWARD WALL SEAT TRACK WAS CORRODED OUT OF LIMITS BETWEEN FRAMES 15 AND 32. MAINTENANCE REMOVED AND REPLACED THE CORRODED 
- [SDR ASOA02271](https://openairdocs.org/sdr/ASOA02271), Apr 30, 2002: SEAT TRACK. CORRODED. DURING C-CHECK INSPECTION IN BNA, THE LEFT FORWARD FLOOR SEAT TRACK WAS FOUND CORRODED BEYOND LIMITS BETWEEN FRAMES 15 AND 32. MAINTENANCE REMOVED AND REPLACED 
- [SDR ASOA02270](https://openairdocs.org/sdr/ASOA02270), Apr 30, 2002: STRAP. CORRODED. DURING C-CHECK INSPECTION IN BNA, THE LEFT BUTT STRAP BETWEEN FRAMES 35 AND STATION 13056 WAS FOUND CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE
- [SDR ASO2002F00014](https://openairdocs.org/sdr/ASO2002F00014), Apr 30, 2002: BUTT STRAP. CORRODED. DURING C CHECK INSPECTION, THE CENTER BUTT STRAP BETWEEN FRAMES 21 AND 26 WAS FOUND CORRODED BEYOND LIMITS. MAINTENANCE REMOVED AND REPLACED THE CORRODED BUTT S
- [SDR ASO2002F00013](https://openairdocs.org/sdr/ASO2002F00013), Apr 30, 2002: BUTT STRAP. CORRODED. DURING C CHECK INSPECTION, THE RIGHT HAND BUTT STRAP WAS FOUND CORRODED BEYOND LIMITS BETWEEN FRAMES 13 AND 21. MAINTENANCE REMOVED AND REPLACED THE CORRODED BU
- [SDR ASO2002F00012](https://openairdocs.org/sdr/ASO2002F00012), Apr 30, 2002: CROSSBEAM. CORRODED. DURING C CHECK INSPECTION, THE LEFT CENTER CROSS BEAM AT FRAME 40 WAS FOUND CORRODED OUT OF LIMITS. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSS BEAM IAW
- [SDR ASO2002F00011](https://openairdocs.org/sdr/ASO2002F00011), Apr 30, 2002: CROSSBEAM. CORRODED. DURING C CHECK INSPECTION, ALL CROSS BEAMS AT FRAMES 36 AND 38 WERE FOUND CORRODED BEYOND ALLOWABLE LIMITS. MAINTENANCE REMOVED AND REPLACED THE CORRODED CROSS 
- [SDR ASO2002F00010](https://openairdocs.org/sdr/ASO2002F00010), Apr 30, 2002: CROSSBEAM. CORRODED. DURING C CHECK INSPECTION, ALL CROSS BEAMS AT FRAME 28 WERE FOUND TO BE CORRODED AND ALL WERE OUT OF LIMITS. MAINTENANCE REMOVED AND REPLACED ALL FOUR CORRODED 
- [SDR ASO2002F00009](https://openairdocs.org/sdr/ASO2002F00009), Apr 30, 2002: CROSSBEAM. CORRODED. DURING C CHECK INSPECTION, ALL CROSS BEAMS AT FRAME 23 WERE FOUND CORRODED, BUT ONLY THE RIGHT OUTBOARD CROSS BEAM WAS FOUND TO BE OUT OF LIMITS. MAINTENANCE RE
- [SDR ASO2002F00008](https://openairdocs.org/sdr/ASO2002F00008), Apr 30, 2002: CROSSBEAM. CORRODED. DURING C CHECK INSPECTION, ALL CROSS BEAMS AT FRAME 20 WERE FOUND CORRODED. THE RIGHT CENTER AND THE RIGHT OUTBOARD WERE FOUND TO BE OUT OF LIMITS. MAINTENANCE 
- [SDR ASO2002F00007](https://openairdocs.org/sdr/ASO2002F00007), Apr 30, 2002: STRINGER. CORRODED. DURING C CHECK INSPECTION, STRINGER 21 LEFT WAS FOUND CORRODED BEYOND LIMITS BETWEEN FRAMES 17 AND 18. MAINTENANCE REMOVED AND REPLACED THE CORRODED STRINGER SE
- [SDR ASO2002F00006](https://openairdocs.org/sdr/ASO2002F00006), Apr 30, 2002: STRINGER. CORRODED. DURING C CHECK INSPECTION, CORROSION WAS FOUND OUT OF LIMITS ON STRINGER 19 LEFT BETWEEN FRAME 13A AND STA 6653.1 TO FRAME 21 AS WELL AS BETWEEN FRAMES 23 AND 2
- [SDR ASO2002F00005](https://openairdocs.org/sdr/ASO2002F00005), Apr 30, 2002: STRINGER. CORRODED. DURING C CHECK INSPECTION , STRINGER 18 LEFT WAS FOUND CORRODED BETWEEN FRAMES 16 AND STA 6653.1. THE STRINGER SPLICE AT FRAME 16 WAS ALSO FOUND CORRODED. MAINT
- [SDR ASOA00067](https://openairdocs.org/sdr/ASOA00067), Jun 6, 2000: BRAKE. CRACKED. FLT 4917 - AT POSITION AND HOLD CREW ROLLED AIRCRAFT OUT ONTO RUNWAY 17L WHEN THE AIRCRAFT SUDDENLY CAME TO A STOP. AIRCRAFT WOULD NO LONGER MOVE SO CREW INFORM
- [SDR ASOA00046](https://openairdocs.org/sdr/ASOA00046), May 5, 2000: PCU. INOPERATIVE. FLT 4180 - CLIMBING THROUGH 20,500 FEET, THE LEFT NP DROPPED TO 97 PERCENT THEN CONTINUED TO DROP TO 91 PERCENT. OIL PRESSURE WAS GOOD. CREW CALLED MAINTENANCE 
- [SDR ASOA99159](https://openairdocs.org/sdr/ASOA99159), Nov 26, 1999: BATTERY PACK. DISCHARGED. DURING INSPECTION, EMERGENCY BATTERY PACK FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOOD. AI
- [SDR ASOA99091](https://openairdocs.org/sdr/ASOA99091), Sep 4, 1999: BATTERY PACK. DISCHARGED. DURING INSPECTION, NR 2 EMERGENCY BATTERY PACK FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY BATTERY PACK. OPERATIONAL CHECKS WERE GOO
- [SDR ASOA99072](https://openairdocs.org/sdr/ASOA99072), Aug 2, 1999: BULB. BROKEN. DURING INSPECTION, FOUND CABIN TRACK LIGHTING BULB BROKEN. ATL MAINTENANCE REPAIRED BROKEN BULB. OPERATIONAL CHECKS WERE GOOD. AIRCRAFT RETURNED TO SERVICE. (M)
- [SDR ASOA99038](https://openairdocs.org/sdr/ASOA99038), Apr 13, 1999: OIL SYSTEM. REQ'D SERVICE. LFT-DFW - DURING CRUISE AT FL220, RECEIVED ORAL 'OIL' WARNING AND TRIPLE CHIME. LEFT ENGINE OIL PRESSURE INDICATED 50 PSID. FOLLOWED QRH AND POH PROCEDURES AND 
- [SDR ASOA99017](https://openairdocs.org/sdr/ASOA99017), Feb 2, 1999: SWITCH. STUCK. FLT 9258 - DURING TEST FLIGHT OUT OF CKB, CREW NOTICED BOTH PARKING BRAKE LIGHTS CAME ON WITH ASSOCIATED GEAR PROBLEM (LANDING GEAR SYSTEM 'B', ALL 3 RED 'B' LI
- [SDR ASOA99020](https://openairdocs.org/sdr/ASOA99020), Feb 1, 1999: ANGLE. BROKEN. DURING C-CHECK INSPECTION, THE FRAME 2 ANGEL ON LEFT AND RIGHT ENGINE NACELLES WERE FOUND BROKEN. REMOVED AND REPLACED FRAME ANGLES ON LEFT AND RIGHT NACELLES. 
- [SDR ASOA99019](https://openairdocs.org/sdr/ASOA99019), Feb 1, 1999: FRAME. CRACKED. DURNG C-CHECK INSPECTION, NR 1 FRAME ON LEFT AND RIGHT ENGINE NACELLES WERE FOUND TO HAVE CRACKS. REMOVED AND REPLACED NR 1 FRAME ON LEFT AND RIGHT ENGINE NACEL
- [SDR ASOA98002](https://openairdocs.org/sdr/ASOA98002), Jan 6, 1998: ENGINE. REQ'D SERVICE. FLT 8258 - EN ROUTE ADF-ATL, LEFT ENGINE OIL PRESSURE DROPPED TO 45 PSI. CREW SHUT DOWN THE LEFT ENGINE, DECLARED AND EMERGENCY AND DIVERTED TO BNA WHERE LANDIN
- [SDR ASOA97060](https://openairdocs.org/sdr/ASOA97060), Nov 16, 1997: TSCU. DEFECTIVE. ON DEPARTURE FSM-DFW, RIGHT PROP FEATHERED UNCOMMANDED. THE CREW TURNED THE AUTOFEATHER OFF AND THE RIGHT ENGINE RETURNED TO NORMAL. THE CREW DECLARED AN EMERGE
- [SDR ASOA97004](https://openairdocs.org/sdr/ASOA97004), Jan 21, 1997: HYD RESERVOIR. DEFECTIVE. EN ROUTE CSG-ATL, GREEN HYDRAULIC LOW PRESSURE LIGHT CAME ON FOLLOWED BY A LOW LEVEL LIGHT. THE CREW DECLARED AN EMERGENCY AND PROCEEDED TO LAND IN ATL WITHOUT 
- [SDR ASOA96026](https://openairdocs.org/sdr/ASOA96026), Jul 7, 1996: DE-ICE PRESS REG. DEFECTIVE. FLT NR 7097 - WHEN DESCENDING INTO GRT, LEFT BLEED LEAK LIGHT ILLUMINATED. THE CREW FOLLOWED THE CHECKLIST, DECLARED AN EMERGENCY, SHUT DOWN THE LEFT ENGINE AND

## STCs that may be installed (OpenAirDocs) (72, 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 (Embraer EMB-120ER)

- [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 ST00197IB](https://openairdocs.org/stc/ST00197IB): Installation of the Universal Quick Access Recorder (uQAR). Flight Data Technologies Inc
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT): Installation of an Avionica, Inc. avCM Cellular Module. Aircraft Systems and Manufacturing Inc
- [STC ST104CH](https://openairdocs.org/stc/ST104CH): Installation of a TCAS I and optional Data Recorder Unit. Acron Aviation 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 ST01110DE](https://openairdocs.org/stc/ST01110DE): Installation of a Luma Technologies Multiple Alarm Panel (MAP). Peregrine
- [STC ST00215IB](https://openairdocs.org/stc/ST00215IB): Installation of saf-Tglo ECO Photoluminescent Aisle Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST04562NY](https://openairdocs.org/stc/ST04562NY): Installation of saf-Tglo® SuperSeal UltraLite-X (SSUL-X) Photoluminescent Floor Proximity Emergency Escape Path Marking Systems. STG AEROSPACE GERMANY GmbH
- [STC ST00098IB](https://openairdocs.org/stc/ST00098IB): Introduction of ADS-B Out. STC Twenty One Limited
- [STC ST03022AT](https://openairdocs.org/stc/ST03022AT): Installation of a Sandel Model ST3400 Terrain Awareness and Warning System (TAWS). Woven Electronics, LLC
- [STC ST03375AT](https://openairdocs.org/stc/ST03375AT): Installation of Garmin GPS 165 TSO Global Positioning System (GPS). Woven Electronics
- [STC ST00598WI](https://openairdocs.org/stc/ST00598WI): Conversion of airplane from a passenger configuration to an all cargo configuration. Worldwide Aviation LLC
- [STC SA8840SW](https://openairdocs.org/stc/SA8840SW): Replace core assembly of AiResearch Primary/Secondary Air-to-Air Heat Exchanger, part number 194546-3. Honeywell International Inc
- [STC SA8466SW](https://openairdocs.org/stc/SA8466SW): Recore of AiResearch Engine Oil Coolers Part Numbers 160282-3 and 160282-4 with LORI Core Assembly Part Number L8602548-1. Honeywell International Inc
- [STC ST00895DE](https://openairdocs.org/stc/ST00895DE): Installation of the Garmin G700 TXi Avionics Suite. Peregrine
- [STC ST02635LA](https://openairdocs.org/stc/ST02635LA): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST00007IB](https://openairdocs.org/stc/ST00007IB): Installation of a Honeywell Mode S Transponder model MST 67 and TCAS II model CAS 81. Embraer Engineering & Technology Center - USA Inc
- [STC ST04340NY](https://openairdocs.org/stc/ST04340NY): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0. Scandinavian Avionics Design ApS
- [STC ST03089NY](https://openairdocs.org/stc/ST03089NY): Replacement of certain Goodrich pneumatic deicer boots. SMR Technologies Inc
- [STC ST02636LA](https://openairdocs.org/stc/ST02636LA): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out. Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST02499AK](https://openairdocs.org/stc/ST02499AK): Approval of the Thomas Global Systems TFD8601Active Matrix Liquid Crystal Display installed. ADS-B Technologies, LLC
- [STC ST04136CH](https://openairdocs.org/stc/ST04136CH): Installation of a TFD-8601 EFIS (Electronic Flight Instrument System) Display. StandardAero Business Aviation Services, LLC
- [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 ST01157SE](https://openairdocs.org/stc/ST01157SE): Installation of increased security cockpit door. Cascade Aviation Services Inc
- [STC ST02600LA](https://openairdocs.org/stc/ST02600LA): Replacement of original SAFT 4076-9 Nickel-Cadmium battery with a Concorde RG-380E/40B or RG-380E/44 or RG-380E/46 Valve Regulated Lead Acid Battery. Concorde Battery Corporation
- [STC ST02660NY-D](https://openairdocs.org/stc/ST02660NY-D): Installation of a Rockwell Collins TCAS-94. B/E Aerospace Inc
- [STC ST02661NY-D](https://openairdocs.org/stc/ST02661NY-D): Installation of a Honeywell CAS-67A TCAS 11. B/E Aerospace Inc
- [STC ST02014LA](https://openairdocs.org/stc/ST02014LA): Installation of Hawker 9750W0370-7 Steel Cased, 24 Volt, 43 Amp-hour, Sealed Lead Acid Battery. Securaplane Technologies
- [STC ST01713WI](https://openairdocs.org/stc/ST01713WI): Modification of a Rockwell Collins, Inc. AHC-85( ) (AHRS) installation. Rockwell Collins 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 ST02540AT-D](https://openairdocs.org/stc/ST02540AT-D): Installation of replacement fuel tank sealant system. FFC Manufacturing
- [STC SA8815SW](https://openairdocs.org/stc/SA8815SW): Installation of a single Mode S Transponder with provisions for a Bendix TCAS II. Worldwide Aviation LLC
- [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 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 ST02990AT](https://openairdocs.org/stc/ST02990AT): Installation of Control Column Push-To-Talk (PTT) Switch with Gold Contacts. Chippewa Aerospace, Inc
- [STC ST02517AT](https://openairdocs.org/stc/ST02517AT): Installation of Avidyne FlightMax 850 display. Chippewa Aerospace, Inc
- [STC ST02777AT](https://openairdocs.org/stc/ST02777AT): Installation of a FA2100CVR Cockpit Voice Recorder (CVR). Chippewa Aerospace, Inc
- [STC ST02778AT](https://openairdocs.org/stc/ST02778AT): Installation of a FA2100FDR Flight Data Recorder (FDR). Chippewa Aerospace, Inc
- [STC ST02605AT](https://openairdocs.org/stc/ST02605AT): Installation of MPC Products Corp. Rotary Variable Transformer (RVT) P/N GA2200A (3-position sensors right side; Rudder pedal-yaw, and control column-pitch and roll,) and p/n GA2202A (2-position sensors left side, column-itch and roll) to replace existing Flight Data Recorder System (FDRS) Potentiometers position sensors. Chippewa Aerospace, Inc
- [STC ST02515AT](https://openairdocs.org/stc/ST02515AT): Installation of Honeywell MK VI EGPWS. Chippewa Aerospace
- [STC ST00062DE-D](https://openairdocs.org/stc/ST00062DE-D): Installation of MK VI GPWS system. Learjet Inc
- [STC ST00110DE-D](https://openairdocs.org/stc/ST00110DE-D): Installation of UNC UNS-1M navigation management system. Learjet Inc
- [STC ST00111DE-D](https://openairdocs.org/stc/ST00111DE-D): Installation of AlliedSignal CAS 66 TCAS I system. Learjet Inc
- [STC ST00136DE](https://openairdocs.org/stc/ST00136DE): Installation of Universal Navigation Corp UNS-1M navigation management system. Learjet Inc
- [STC ST58CH](https://openairdocs.org/stc/ST58CH): Installation of provisions of a BFG TCAS 1 and optional data recorder unit. Goodrich Avionics Systems Inc
- [STC ST09475SC](https://openairdocs.org/stc/ST09475SC): Installation of a Universal Avionics UNS-1K FMS with Internal TSO-129A GPS Sensor. Aircraft Modification and Engineering Services, In
- [STC ST00685NY](https://openairdocs.org/stc/ST00685NY): Baggage Restraint System Installation. Field Aviation Co, Inc

All 72: https://openairdocs.org/aircraft/N258AS/stcs.md

## Related

- Other Embraer EMB-120ER aircraft: https://openairdocs.org/model/embraer-emb-120er/aircraft.md
- The Pratt & Whitney Canada PW118 engine: https://openairdocs.org/engine/pratt-whitney-canada-pw118.md

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