# N690AS: 1974 Rockwell International 690A

- Status: Valid registration
- Airframe: [Rockwell International 690A](https://openairdocs.org/model/rockwell-international-690a) (registry code 7630515, 11 seats)
- Engine: [AiResearch TPE331-6-251M](https://openairdocs.org/engine/airesearch-tpe331-6-251m) (registry code 01521)
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4) (Twin Commander Aircraft LLC) (OpenAirDocs)
- Serial number: 11277
- Year built: 1974
- Type: Fixed wing multi engine
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: May 29, 1998
- Certificate issued: March 3, 2023
- Expires: March 31, 2030
- Mode S code: A92AC7
- Registered owner: [Aero Commander N690as LLC](https://openairdocs.org/faa-owner/AERO%20COMMANDER%20N690AS%20LLC)
- Location: [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell)
- Owner type: LLC
- Owner's area on the map: 48.2306° N, 114.4033° W: Placed by OpenAirDocs at the center of ZIP code 59901, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=690AS
- Page: https://openairdocs.org/aircraft/N690AS

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): 26 in force

### Matched by airframe (Rockwell International 690A)

- [AD 2013-09-05](https://openairdocs.org/ad/2013-09-05): Fuselage · Twin Commander 690, 690A and 690B. Effective May 29, 2013
- [AD 2009-25-02](https://openairdocs.org/ad/2009-25-02): Upper wing skins · Twin Commander 690, 690A and 690B. Effective Jan 8, 2010
- [AD 2006-15-01](https://openairdocs.org/ad/2006-15-01): Inboard and center aileron hinge fittings · Twin Commander 690, 690A and 690B. Effective Aug 21, 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 2000-02-30](https://openairdocs.org/ad/2000-02-30): Airframe Pneumatic Deicing Boots · Twin Commander 680, 680-E, 680-F and 15 more. Effective Mar 24, 2000
- [AD 98-08-25 R1](https://openairdocs.org/ad/98-08-25-R1): Nose Landing Gear (NLG) Drag Link Bolt · Twin Commander 500-S, 500-U, 680-F and 9 more. Effective Jan 5, 1999
- [AD 98-20-34](https://openairdocs.org/ad/98-20-34): Airplane Flight Manuals--Severe Icing Conditions · Twin Commander 500, 500-A, 500-B and 24 more. Effective Nov 3, 1998
- [AD 98-14-03](https://openairdocs.org/ad/98-14-03): Transponders · Cessna 172, 172A, 172B and 230 more. Effective Aug 16, 1998
- [AD 98-07-17](https://openairdocs.org/ad/98-07-17): Flap System · Twin Commander 500, 500-A, 500-B and 27 more. Effective May 29, 1998
- [AD 98-08-19](https://openairdocs.org/ad/98-08-19): Wing to Fuselage Attachment Brackets and Straps · Twin Commander 500, 500-A, 500-B and 27 more. Effective May 18, 1998
- [AD 95-19-18](https://openairdocs.org/ad/95-19-18): Turbulent Air Penetration and Maneuvering Speeds · Twin Commander 680-T, 680-V, 680-W and 9 more. Effective Oct 25, 1995
- [AD 95-13-02](https://openairdocs.org/ad/95-13-02): Twin Commander 685, 690, 690A and 5 more. Effective Jul 22, 1995
- [AD 94-04-14](https://openairdocs.org/ad/94-04-14): Spar Cap · Twin Commander 500-S, 500-U, 680-FL(P) and 6 more. Effective Apr 12, 1994
- [AD 94-04-12](https://openairdocs.org/ad/94-04-12): Wing Structure · Twin Commander 685, 690, 690A and 1 more. Effective Apr 12, 1994
- [AD 87-24-07 R1](https://openairdocs.org/ad/87-24-07-R1): POH/AFM Revision - Icing · Twin Commander 690, 690A, 690B and 5 more. Effective Feb 9, 1988
- [AD 84-19-05](https://openairdocs.org/ad/84-19-05): Engine Mount Systems · Twin Commander 690, 690A, 690B and 4 more. Effective Oct 8, 1984
- [AD 79-07-02](https://openairdocs.org/ad/79-07-02): Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more. Effective Apr 3, 1979
- [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 77-03-01](https://openairdocs.org/ad/77-03-01): Left and Right Wing Rivets · Twin Commander 690, 690A and 690B. Effective Feb 16, 1977
- [AD 77-04-01](https://openairdocs.org/ad/77-04-01): Trim System · Twin Commander 690A. Effective Feb 14, 1977
- [AD 75-19-01](https://openairdocs.org/ad/75-19-01): Flap Speed · Twin Commander 685, 690 and 690A. Effective Sep 8, 1975
- [AD 75-12-10](https://openairdocs.org/ad/75-12-10): Autopilots · M7 Aerospace 60, 95-C55, 95-C55A and 17 more. Effective Jun 11, 1975
- [AD 75-08-07](https://openairdocs.org/ad/75-08-07): Bleed Air Line · Twin Commander 690A. Effective Apr 10, 1975
- [AD 75-08-05](https://openairdocs.org/ad/75-08-05): Battery Disconnect · Twin Commander 690A. Effective Apr 5, 1975
- [AD 74-20-12](https://openairdocs.org/ad/74-20-12): Pilot and Co-pilot Side Windows · Twin Commander 690A. Effective Oct 4, 1974

### Matched by engine (AiResearch TPE331-6-251M)

None in force.

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

- [AD 98-08-25](https://openairdocs.org/ad/98-08-25) (historical): Nose Landing Gear (NLG) Drag Link Bolt · Twin Commander 500-S, 500-U, 680-F and 9 more. Effective May 18, 1998
- [AD 96-12-08](https://openairdocs.org/ad/96-12-08) (historical): Nose Landing Gear (NLG) Drag Link Bolt · Twin Commander 500-S, 500-U, 680-F and 8 more. Effective Jun 27, 1996
- [AD 94-04-17](https://openairdocs.org/ad/94-04-17) (historical): Flap System Cable · Twin Commander 500, 500-A, 500-B and 27 more. Effective Apr 15, 1994

## Information bulletins (advisory) (1 in force)

- [SAIB 2023-14](https://openairdocs.org/saib/2023-14): Landing Gear Retract/Extend System. Issued Nov 14, 2023

## NTSB investigations

None matched to N690AS.

## FAA accident and incident reports

None matched to N690AS.

## 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) (169, 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 (Rockwell International 690A)

- [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 SA1024SO](https://openairdocs.org/stc/SA1024SO): Installation of AiResearch TPE331-5-252K engines replacing AiResearch TPE331-5-251K engines. Carpe Diem Aviation Services of Missouri, Inc. dba CD Aviation Services
- [STC SA02511SE](https://openairdocs.org/stc/SA02511SE): Installation of replacement fuel quantity indicator sending unit(s). CiES Inc
- [STC SA11158SC](https://openairdocs.org/stc/SA11158SC): Demonstration of aircraft tolerance to potential electromagnetic interference from certain Transmitting Potable Electronic Devices (T-PEDS). Liberty Partners Inc
- [STC SA12202IB](https://openairdocs.org/stc/SA12202IB): Installation of Garmin GWX Weather Radar System. Maxcraft Avionics Ltd
- [STC SA11300DS](https://openairdocs.org/stc/SA11300DS): Upgrade previously installed Collins Aerospace Radar Altimeter. BHE & Associates Ltd
- [STC SA8408SW](https://openairdocs.org/stc/SA8408SW): Replace the o-ring seals in the landing gear lower strut seal. Metrea Special Aerospace ISR Inc
- [STC SA02738CH](https://openairdocs.org/stc/SA02738CH): Installation of L-3 Communications Avionics Systems. Acron Aviation Inc
- [STC SA04046CH PAGE 2](https://openairdocs.org/stc/SA04046CH%20PAGE%202): 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 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 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
- [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 SA497GL](https://openairdocs.org/stc/SA497GL): Install Aircraft Wheel and Brake conversion kit 199-80 (MIL-H-5606 system). Kaman Corporation Aircraft Wheel and Brake LLC
- [STC SA1458GL](https://openairdocs.org/stc/SA1458GL): Installation of a Cleveland nose wheel. 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 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 2](https://openairdocs.org/stc/SA11174SC%20PAGE%202): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King)
- [STC SA02265SE](https://openairdocs.org/stc/SA02265SE): Installation of a camera housing. Airborne Sensor LLC
- [STC ST01930LA](https://openairdocs.org/stc/ST01930LA): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI). Sandel Avionics LLC
- [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 SA09763DS](https://openairdocs.org/stc/SA09763DS): Installation of an S-TEC 01326 Digital Flight Control System (DFCS). S-TEC Corporation
- [STC SA04489NY](https://openairdocs.org/stc/SA04489NY): Installation of Astronics Max-Viz Enhanced Vision System. Air Spray (1967) Ltd
- [STC SA10236SC](https://openairdocs.org/stc/SA10236SC): Installation of a GDC 31 Roll Steering Converter. DAC International Inc
- [STC SA1009CE](https://openairdocs.org/stc/SA1009CE): ONE ONLY STC, SN # 11138: Installation of King Model KFC 300 Automatic Flight Control System (autopilot and flight director). Honeywell International Inc
- [STC SA1011CE](https://openairdocs.org/stc/SA1011CE): Installation of King Model KVN-395 vertical navigation computer for operation with King Model KFC-300 automatic flight control system. Honeywell International Inc
- [STC SA01452CH](https://openairdocs.org/stc/SA01452CH): Installation of an air ambulance conversion kit. Med-Pac Inc
- [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 SA4583SW](https://openairdocs.org/stc/SA4583SW): Installation of an electrically-driven Vapor Cycle, Freon or Refrigerant R-134a, Air Conditioning System. Air Comm Corporation
- [STC SA00344BO PAGE 2](https://openairdocs.org/stc/SA00344BO%20PAGE%202): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SA00098SE](https://openairdocs.org/stc/SA00098SE): Installation of emergency medical stretcher, oxygen, and electrical systems. LifePort LLC
- [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 2](https://openairdocs.org/stc/SA02153LA-D%20PAGE%202): Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System. Garmin International Inc
- [STC SA02503AK](https://openairdocs.org/stc/SA02503AK): Installation of AMSAFE State of the Art Restraint System (SOARS) inflatable restraints. AMSAFE Inc
- [STC SA02013CH](https://openairdocs.org/stc/SA02013CH): Installation of Avidyne Corporation Traffic Advisory System (TAS). Avidyne Corporation
- [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 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 SA00352BO PAGE 2](https://openairdocs.org/stc/SA00352BO%20PAGE%202): 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
- [STC SA1177GL](https://openairdocs.org/stc/SA1177GL): Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 800 in accordance with Installation and Operating Instructions, Form EA 109K, dated April 23, 2001, or later FAA approved revisions. The Medical Oxygen System Kit P/N 807 is an FAA approved option. The Inverter/Pump Kit No. 812 may be installed in accordance with Inverter/Pump Installation Instructions, EA Form 170, dated June 9, 2001, or later FAA approved revisions. Paul/ Lanna Egan LLC
- [STC SA00149BO](https://openairdocs.org/stc/SA00149BO): Installation of Aircraft Components, Inc. Volt and Vac Alert System, P/N 2044-1. Aircraft Components Inc
- [STC SA02547AT](https://openairdocs.org/stc/SA02547AT): Installation of a Voice Alert System. Aircraft Components Inc

All 169: https://openairdocs.org/aircraft/N690AS/stcs.md

## Related

- Other Rockwell International 690A aircraft: https://openairdocs.org/model/rockwell-international-690a/aircraft.md
- The AiResearch TPE331-6-251M engine: https://openairdocs.org/engine/airesearch-tpe331-6-251m.md

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