# Aero Commander 690

- Type: Aircraft model (FAA registry)
- Registry code: 0141720
- Manufacturer (registry): AERO COMMANDER
- Model: 690
- Aircraft type: Fixed wing multi engine
- Category: Airplane
- Engines: 2 · Turbo-prop
- Seats: 11
- Weight class: Up to 12,499 lb
- Cruise speed: 188 mph
- Certification: Type certificated
- Data sheet: [TCDS 2A4](https://openairdocs.org/tcds/2A4) (OpenAirDocs)
- Holder: Twin Commander Aircraft LLC
- Registered aircraft: 3
- Page: https://openairdocs.org/model/aero-commander-690

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [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 75-19-01](https://openairdocs.org/ad/75-19-01): Flap Speed · Twin Commander 685, 690 and 690A. Effective Sep 8, 1975
- [AD 73-13-09](https://openairdocs.org/ad/73-13-09): Oil Supply Line Failure · Twin Commander 690. Effective Jun 25, 1973

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)

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

## Registered aircraft (3)

- [N690RA](https://openairdocs.org/aircraft/N690RA): [Mountain Aviation Enterprises LLC](https://openairdocs.org/faa-owner/MOUNTAIN%20AVIATION%20ENTERPRISES%20LLC), [Safford, AZ](https://openairdocs.org/faa-place/AZ/Safford), built 1972, S/N 11010
- [N690TR](https://openairdocs.org/aircraft/N690TR): [Kolob Canyons Air Services Inc](https://openairdocs.org/faa-owner/KOLOB%20CANYONS%20AIR%20SERVICES%20INC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1972, S/N 11034
- [N699SB](https://openairdocs.org/aircraft/N699SB): [Meginnis Thomas O](https://openairdocs.org/faa-owner/MEGINNIS%20THOMAS%20O), [Omaha, NE](https://openairdocs.org/faa-place/NE/Omaha), built 1976, S/N 11280

## NTSB investigations (15)

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 WPR17LA030](https://openairdocs.org/ntsb/WPR17LA030), Dec 1, 2016: Aero Commander 690 (N9175N), Scottsdale, AZ, substantial damage. Probable cause: The pilot’s loss of directional control during the landing roll, which resulted in the runway excursion onto the rock-covered runway safety area.
- [NTSB WPR10LA034](https://openairdocs.org/ntsb/WPR10LA034), Oct 21, 2009: Aero Commander 690 (N690TR), Cedar City, UT, substantial damage. Probable cause: The failure of the landing gear accumulator/regulator and the installation of the improper priority valve, which precluded the landing gear from extending and locking into place.
- [NTSB FTW03WA227](https://openairdocs.org/ntsb/FTW03WA227), Sep 16, 2003: Aero Commander 690 (N302WB), Soto La Marina, Mexico, destroyed, 1 fatal
- [NTSB LAX02LA005](https://openairdocs.org/ntsb/LAX02LA005), Oct 14, 2001: Aero Commander 690 (N690JM), Temecula, CA, substantial damage. Probable cause: a misrigging of the engine controls that resulted in an asymmetric reverse thrust condition.
- [NTSB LAX98TA251](https://openairdocs.org/ntsb/LAX98TA251), Jul 28, 1998: Aero Commander 690 (N349AC), Ely, NV, substantial damage. Probable cause: The failure and separation of the left main gear wheel halves due to overload as a result of excessive air pressure. A contributing factor was the inadequate maintenance/service of the main gear…
- [NTSB LAX97LA019](https://openairdocs.org/ntsb/LAX97LA019), Oct 15, 1996: Aero Commander 690 (N15VZ), Phoenix, AZ, substantial damage. Probable cause: failure of the main landing gear to fully engage in the down-and-locked position for undetermined reason(s). Loss of hydraulic pressure to the main gear for undetermined reasons(s) was a related…
- [NTSB CHI90LA114](https://openairdocs.org/ntsb/CHI90LA114), Apr 18, 1990: Rockwell AC-690 (N57175), Sheboygan, WI, substantial damage. Probable cause: FAILURE OF THE PILOT TO COMPLETE THE LANDING CHECKLIST AND LOWER THE LANDING GEAR. CONTRIBUTING TO THIS ACCIDENT IS HABIT PATTERN INTERFERENCE AND DISTRACTION.
- [NTSB CHI87LA200](https://openairdocs.org/ntsb/CHI87LA200), Sep 2, 1987: Aero Commander 690 (N9168N), Appleton, WI, substantial damage
- [NTSB LAX87FA239](https://openairdocs.org/ntsb/LAX87FA239), Jun 21, 1987: Rockwell 690 (N662DM), Bridgeport, CA, destroyed, 2 fatal
- [NTSB DEN84MA266](https://openairdocs.org/ntsb/DEN84MA266), Aug 25, 1984: Aero Commander 690 (N9150N), Little America, WY, destroyed, 4 fatal
- [NTSB IAD80FA019](https://openairdocs.org/ntsb/IAD80FA019), Jan 15, 1980: Aero Comdr 690 (N182), Goldsboro, MD, destroyed
- [NTSB LAX77FA004](https://openairdocs.org/ntsb/LAX77FA004), Oct 21, 1976: Aero Comdr 690 (N568H), Los Angeles, CA, destroyed, 2 fatal
- [NTSB CHI75FEE09](https://openairdocs.org/ntsb/CHI75FEE09), Aug 8, 1974: Aero Comdr 690A (N690WC), Rockford, IL, substantial damage
- [NTSB FTW70FPJ26](https://openairdocs.org/ntsb/FTW70FPJ26), Jun 26, 1970: Aero Comdr 690 (N9202N), Bethany, OK, destroyed
- [NTSB FTW69A0080](https://openairdocs.org/ntsb/FTW69A0080), May 5, 1969: Aero Comdr 690 (N9001N), Rosedale, OK, destroyed, 3 fatal

## FAA accident and incident reports (19)

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 20161130018859A](https://openairdocs.org/incident/20161130018859A), Nov 30, 2016: Aero Commander 690 (N9175N), Scottsdale, AZ, Substantial damage. Aircraft landed runway 21 and aircraft veered right going into an area called the runway safety area (rsa). The pilot had both engines in beta when the…
- [Accident 20091021021399A](https://openairdocs.org/incident/20091021021399A), Oct 21, 2009: Gulstm 690 (N690TR), Cedar City, UT, Substantial damage. On October 21, 2009 N690TR, a twin commander 690, experienced a collapse of the RH main landing gear while attempting to land at Cedar City, UT (cdc). The…
- [Accident 20011013029439A](https://openairdocs.org/incident/20011013029439A), Oct 13, 2001: Gulstm 690 (N690JM), Rancho Calif, CA, No damage. (.19) On October 13, 2001, about 2220 hours pacific daylight time, an aero commander 690, N690JM, collided with an airport boundary fence during an aborted…
- [Accident 19980728029949A](https://openairdocs.org/incident/19980728029949A), Jul 28, 1998: Gulstm 690 (N349AC), Ely, NV, Substantial damage. According to pilot and observer's statements, they were taxiing out for departure when the left main wheel came off its axle. As the strut grounded on the…
- [Accident 19961015032349A](https://openairdocs.org/incident/19961015032349A), Oct 15, 1996: Gulstm 690 (N15VZ), Phoenix, AZ, Substantial damage. Hydraulic failure en route arpt. Unable lock down. Gear collapsed landing. Hydraulic hose leak main gear brake syst
- [Incident 19910917046319I](https://openairdocs.org/incident/19910917046319I), Sep 17, 1991: Gulstm 690 (N9223N), North Platte, NE, Minor damage. On landing flare aircraft struck a deer . Landed safely.
- [Incident 19910307007079I](https://openairdocs.org/incident/19910307007079I), Mar 7, 1991: Gulstm 690 (N57175), Greensboro, NC, Minor damage. Unsafe gear indication. Nose gear collapsed on rollout. Found nose steering cylinder bolts sheared off.
- [Accident 19900417010229A](https://openairdocs.org/incident/19900417010229A), Apr 17, 1990: Gulstm 690 (N57175), Sheboygan, WI, Substantial damage. Distracted by other traffic and go around because of deer on runway. Landed gear up.
- [Incident 19880903061109I](https://openairdocs.org/incident/19880903061109I), Sep 3, 1988: Gulstm 690 (N14CV), South St Paul, MN, Minor damage. Aircraft pulling right on takeoff roll. Reduced power. Veered off runway. Flat tire clevis on retraction cylinder brok
- [Accident 19870902054399A](https://openairdocs.org/incident/19870902054399A), Sep 2, 1987: Gulstm 690 (N9168N), Appleton, WI, Substantial damage. Lost hydraulic pressure. Returned. Unable to lock gear in down position. Left main gear collapsed on landing.
- [Accident 19870621021159A](https://openairdocs.org/incident/19870621021159A), Jun 21, 1987: Gulstm 690 (N662DM), Bridgeport, CA, Destroyed, 2 fatal. Appears pilot lost visual outside reference during night turn around over a lake. Lost control. Crashed into lake.
- [Accident 19840825043339A](https://openairdocs.org/incident/19840825043339A), Aug 25, 1984: Gulstm 690 (N9150N), Little America, WY, Destroyed, 3 fatal. Flew into area of icing and turbulence. Witnesses saw aircraft descend steeply ot of clouds and break up in flight.
- [Incident 19840106009409I](https://openairdocs.org/incident/19840106009409I), Jan 6, 1984: Gulstm 690 (N9223N), Newbedford, MA, Minor damage. Received a bird strike on takeoff. Aborted. Tower reported fire coming from left main gear. Fire put out.
- [Incident 19811208087789I](https://openairdocs.org/incident/19811208087789I), Dec 8, 1981: Rkwell 690 (N9168N), Jamestown, NY, Minor damage. Za aircraft made a left skidding drift after landing and left runway. Windshield was obscured with snow and ice.
- [Incident 19800512055169I](https://openairdocs.org/incident/19800512055169I), May 12, 1980: Rkwell 690 (N9131N), Elmira, NY. Aircraft lost all electrical power but landed safely at airport.
- [Accident 19800115000059A](https://openairdocs.org/incident/19800115000059A), Jan 15, 1980: Rkwell 690 (N182), Goldsboro, MD, Destroyed. Indicates auto-pilot defect. Over-controlled to correct. Result spin, dive. Engine mount failed, airframe separated
- [Incident 19791130044929I](https://openairdocs.org/incident/19791130044929I), Nov 30, 1979: Rkwell 690 (N9223N), Columbus, MA, Minor damage. After takeoff left engine fire light came on. Found primary, secondary fuel nozzles had leaked, causing fire.
- [Accident 19761021041562A](https://openairdocs.org/incident/19761021041562A), Oct 21, 1976: Rkwell 690 (N568H), Los Angeles, CA, Destroyed. Mid-air,on dwnwnd for rwy 23.grd damage to autos,pwr lines,bldg,street.
- [Accident 19740808041709A](https://openairdocs.org/incident/19740808041709A), Aug 8, 1974: Rkwell 690A (N690WC), Rockford, IL, Substantial damage. Inadequate shield protection wire bundle resulted in fire. Sb-ad issued bleed air system.

## Service difficulty reports (48)

As reported by operators and repair stations, by the model named in the report.

- [SDR CA190610014](https://openairdocs.org/sdr/CA190610014), Jun 7, 2019: EXCITER. MALFUNCTIONED. (CAN) RH ENGINE FAILS TO LIGHT OFF. IGNITION EXCITER REPLACED. GROUND FUNCTION CHECKED OK. (TC# 20190610014)
- [SDR CA190513005](https://openairdocs.org/sdr/CA190513005), May 10, 2019: EXCITER. FAILED. (CAN) RH ENGINE FAILS TO LIGHT OFF ON START UP. RH ENGINE IGNITION EXCITER FOUND TO BE U/S. IGNITION EXCITER REPLACED AND GROUND FUNCTION CHECKED OK. NO DEFECTS
- [SDR CA150629013](https://openairdocs.org/sdr/CA150629013), Jun 28, 2015: COMMUTATOR. WORN. (CAN) NR 2 ENG WILL NOT TURN WITH STARTER. COMMUTATER IN STARTER WORN & PITTED.
- [SDR CA150508002](https://openairdocs.org/sdr/CA150508002), May 5, 2015: VOLT REGULATOR. FAILED. (CAN) AIRCRAFT VOLTAGE ON NR 2 ENG WAS ABOVE 30 VOLTS, KICKING EITHER THE LT OR THE RT GENERATOR OFFLINE. NR 2 VOLTAGE REGULATOR REPLACED, BALANCED & GND FUNCTI
- [SDR CA150501008](https://openairdocs.org/sdr/CA150501008), Apr 28, 2015: LINE. CRACKED. (CAN) WHILE FIXING THE HYDRAULIC PUMP ON NR 2 ENGINE, THE PRESSURE LINE FLARE FITTING FROM PUMP TO THE FIRE WALL WAS FOUND CRACKED. NR 2 ENGINE AT FLARE ON LINE
- [SDR CA150430005](https://openairdocs.org/sdr/CA150430005), Apr 28, 2015: PUMP. BYPASSING. (CAN) HYDRAULIC FLUID LOSS FROM RESERVOIR BREATHER LINE. NR 2 ED PUMP FOUND TO BE BYPASSING THROUGH GARLOC SEAL. ED HYD PUMP REPLACED, CHECKED SERVICEABLE.
- [SDR CA121206006](https://openairdocs.org/sdr/CA121206006), Dec 4, 2012: LANDING GEAR. MALFUNCTIONED. (CAN) PILOT REPORT DOING THE ILS 30 CYQU. SELECTED GEAR DOWN. HAD UNSAFE INDICATION FOR RT MAIN GEAR. VISUALLY CONFIRMED THAT RT MAIN ONLY EXTENDED WAY DOWN. IN
- [SDR CA120815002](https://openairdocs.org/sdr/CA120815002), Aug 12, 2012: O-RING. FAILED. (CAN) AN INTERNAL O-RING FAILURE WAS THE CAUSE OF AN ACTUATOR LEAK AND SUBSTANTIAL AIRFRAME SYS HYDRAULIC FLUID LOSS DURING FLIGHT. UPON INVESTIGATION BY MAINTE
- [SDR CA120827016](https://openairdocs.org/sdr/CA120827016), Aug 6, 2012: INDICATOR. MALFUNCTIONED. (CAN) GROUP WAS PREPARING FOR DISPATCH FOR PRACTICE. NR 1 ENGINE STARTED AND NR 2 ENGINE STARTED AND SECURED. ENGINE/PROP PROCEDURES FOLLOWED TO REMOVE LOCKS. I
- [SDR CA120126001](https://openairdocs.org/sdr/CA120126001), Jan 25, 2012: MOUNT. DAMAGED. (CAN) RIGHT FORWARD ENGINE MOUNT ASSEMBLY FOUND BROKEN DURING ROUTINE MAINTENANCE CHECK OF ENGINE. REMAINDER OF STUD HAD SHAKEN LOOSE FROM ENGINE VIBRATION ISOL
- [SDR CA110909008](https://openairdocs.org/sdr/CA110909008), Sep 3, 2011: BLOWER. FAULTY. (CAN) TOPIC - COMMANDER "BLOWER" 3 SEPTEMBER 2011, DETAILED DESCRIPTION OF THE NEAR MISS SEPT 2, DURING TAXI FOR DISPATCH TO A FIRE, A STRONG "BURN" SMELL WAS D
- [SDR CA080708003](https://openairdocs.org/sdr/CA080708003), Jul 1, 2011: LANDING GEAR. UNKNOWN. (CAN) AT 5 MILES THROTTLES TO IDLE FOR FLAP SPEED TO PERFORM A STRAIGHT-IN ON RUNWAY 31 IN HIGH LEVELS AB. CANCELLED GEAR WARNING HORN. SELECTED FLAPS ON SCHEDU
- [SDR CA110211013](https://openairdocs.org/sdr/CA110211013), Feb 11, 2011: RIB. CRACKED. WHILE DOING PHASE INSP, THE SQUEEZE TEST FOUND CRACKED FWD TABS ON SEVERAL VERTICAL STABILIZER NOSE RIBS. THE SAME DEFECTS WERE FOUND ON 2 OTHER ACFT OUT OF 9 A
- [SDR CA100702011](https://openairdocs.org/sdr/CA100702011), Jun 30, 2010: SPACER. MISSING. DEPARTED, ENROUTE. RIGHT AT ROTATION, NOTICED A VIOLENT SHIMMY. ELECTED TO TAKEOFF. RAISED MLG AND DEPARTED. ONCE CLEAR OF DEPARTURE, LOWERED MLG FOR INSP TO SE
- [SDR CA090824003](https://openairdocs.org/sdr/CA090824003), Aug 21, 2009: DOWNLOCK SWITCH. MISSING. THE DOWNLOCK SWITCH ASSY WAS FOUND TO BE MISSING. THE ACTUATOR/LEVER THAT CONTACTS THE DOWNLOCK/UPLOCK WHEEL ON THE NLG DRAG BRACE. DURING GEAR EXTENSION FOR LA
- [SDR CA090727012](https://openairdocs.org/sdr/CA090727012), Jul 25, 2009: PUMP. UNSERVICEABLE. (CAN) NTS TEST FUNCTION FAILED ON PREFLIGHT CHECK FOR NR 1 ENGINE. UNFEATHER PUMP NOT FUNCTIONING WHEN AIR-START MODE SELECTED, 24 VOLTS PRESENT AT CONNECTOR.
- [SDR CA090312007](https://openairdocs.org/sdr/CA090312007), Mar 11, 2009: SWITCH. OUT OF RIG. (CAN) ON THE DOWN WIND, THE LANDING GEAR WAS SELECTED DOWN AND THE NOSE GEAR INDICATED AN UNSAFE LIGHT. THE GEAR WAS CYCLED AND COULD BE OBSERVED COMING DOWN FR
- [SDR CA080623010](https://openairdocs.org/sdr/CA080623010), Jun 22, 2008: BULB. INOPERATIVE. (CAN) DISPATCHED FROM CYLB TO CYMM AT 11:10. ON DOWNWIND RT FOR 07 CYMM SELECTED GEAR DOWN BUT DID NOT GET A GEAR DOWN LIGHT FOR THE LT MAIN. GEAR APPEARED TO B
- [SDR CA080123002](https://openairdocs.org/sdr/CA080123002), Jan 22, 2008: COLLAR. WORN. (CAN) UNSAFE NOSE GEAR, CIRCLING AT AIRPORT, DECIDED TO FLY AC TO ANOTHER AIRPORT. AC CAME BY SLOW WITH GEAR DOWN. NOSE LOOKED DOWN HOWEVER NOSE WHEEL WAS COCKE
- [SDR CA071010011](https://openairdocs.org/sdr/CA071010011), Oct 5, 2007: SHAFT. CRACKED. (CAN) DURING ANNUAL INSPECTION, THE SHAFT THAT PIVOTS THE NOSE GEAR UPPER LINK ASSY P/N ES10107 WAS FOUND CRACKED. THE CRACK IS LOCATED ON THE IB END OF THE SHA
- [SDR CA070724001](https://openairdocs.org/sdr/CA070724001), Jul 18, 2007: O-RING. LEAKING. (CAN) INCIDENT/HAZARD DESCRIPTION: UNSAFE GEAR WARNING LIGHT ILLUMINATED. HYDRAULIC PRESSURE WAS DOWN TO 500 PSI. ONCE ON GROUND, FOUND HYDRAULIC FLUID HAD LEAK
- [SDR CA061124007](https://openairdocs.org/sdr/CA061124007), Nov 24, 2006: SPAR CAP. CRACKED. (CAN) CRACK FOUND IN LT HAND SPAR CAP 1.5 IN. FROM BOTTOM. (TC NR 20061124007)
- [SDR CA051209006](https://openairdocs.org/sdr/CA051209006), Dec 9, 2005: ANGLE. CRACKED. (CAN) REENFORCING ANGLES ON INSIDE OF DOOR AT UPPER AND LOWER HINGES FOUND CRACKED. (TC NR 20051209006)
- [SDR CA051209005](https://openairdocs.org/sdr/CA051209005), Dec 1, 2005: BRACKET. CRACKED. (CAN) LT FLAP PULLEY ASSY UPPER BRACKET FOUND CRACKED AT FORWARD IB LOWER CORNER RELIEF. A SECOND AC IN COMPANY FLEET OF 6 FOUND CRACKED IN SAME LOCATION. (TC N
- [SDR CA050419011](https://openairdocs.org/sdr/CA050419011), Apr 19, 2005: SPAR. CRACKED. (CAN) WHILE DOING SB-238 CRACKS WERE FOUND AROUND THE ANCHOR NUTS, ON THE SPAR CENTER HINGE ATTACH. BOTH LEFT AND RIGHT HAND AILERONS, TWIN COMMANDER KITS SB238
- [SDR CA050419012](https://openairdocs.org/sdr/CA050419012), Apr 19, 2005: SPAR. CRACKED. (CAN) WHILE DOING S.B. 238 CRACKS WERE FOUND AROUND THE ANCHOR NUTS, ON THE SPAR CENTER HINGE ATTACH. BOTH LEFT AND RIGHT HAND AILERONS, TWIN COMMANDER KITS SB2
- [SDR CA050414012](https://openairdocs.org/sdr/CA050414012), Apr 14, 2005: FRAME. CRACKED. SMALL CRACKS AND LOOSE RIVETS FOUND IN FRAME AS PER SB 218 TWIN COMMANDER KIT CK175-1 INSTALLED.
- [SDR CA040820003](https://openairdocs.org/sdr/CA040820003), Aug 18, 2004: SHAFT. SEIZED. (CAN) RETURNING FROM A FIRE ACTION, IN CRUISE AT 9500 FEET ASL, THERE WAS A LOSS OF POWER FROM THE RT ENGINE ACOMPANIED BY VIBRATION AND NOISE. THE RT ENGINE SH
- [SDR CA040604014](https://openairdocs.org/sdr/CA040604014), Jun 3, 2004: VALVE. FLUCTUATES. (CAN) DURING CLIMB OUT THROUGH 5000 FEET, ENGINE POWER BEGAN TO FLUCTUATE. ENGINE WAS SHUTDOWN AND SECURED. AIRCRAFT LANDED WITHOUT INCIDENT. INVESTIGATION FOUN
- [SDR CA040123001](https://openairdocs.org/sdr/CA040123001), Jan 23, 2004: WEB. CRACKED. (CAN) ON AILERON INSPECTION, CRACK WAS FOUND UNDER LT IB HINGE. CRACK IS AROUND LOWER OB HINGE MOUNTING HOLE. ONE CRACK OUT OF FIVE AC CHECKED.
- [SDR AUS20031274](https://openairdocs.org/sdr/AUS20031274), Dec 16, 2003: GASKET. FAILED. (AUS) RT ENGINE BLEED AIR LINE ATTACHMENT GASKET BLEW OUT ALLOWING HOTGAS TO BLOW ONTO ADJACENT FIRE WARNING DETECTOR.
- [SDR CA031113004](https://openairdocs.org/sdr/CA031113004), Nov 13, 2003: SPAR. CRACKED. (CAN) DURING ANNUAL INSPECTION A CRACK WAS NOTED ON THE AILERON SPAR AT IB HINGE FITTING ATTACH POINT. THE CRACK IS APPROXIMATELY .5000 INCH IN LENGTH, AND STAR
- [SDR CA030211012](https://openairdocs.org/sdr/CA030211012), Jan 30, 2003: SKIN. CRACKED. (CAN) TWO INCH CRACK FOUND IN LEFT HAND VERTICAL STABILIZER WHILE COMPLYING WITH SB 218
- [SDR CA021212003](https://openairdocs.org/sdr/CA021212003), Dec 12, 2002: SKIN. CRACKED. (CAN) DURING INSPECTION PRIOR TO INSTALLATION OF SB218 KIT (REF AD95-13-02) TWO CRACKS WERE NOTED ON THE RT VERTICAL STAB SKIN AT FS 409.65 WL 5.10 AND 4.10. TH
- [SDR CA021029006](https://openairdocs.org/sdr/CA021029006), Oct 24, 2002: SKIN. CRACKED. (CAN) DURING A 30 DAY INSPECTION IT WAS NOTED THAT THE VERTICAL STAB SKIN WAS CRACKED ON THE STARBOARD SIDE OF THE VERTICAL STABILIZER. THE CRACK IS LOCATED AT 
- [SDR CA020710002](https://openairdocs.org/sdr/CA020710002), Jun 23, 2002: ENGINE. FAILED. (CAN) AIRCRAFT WAS ON BUTTON OF RUNWAY AND WAS CLEARED FOR TAKEOFF. THE CONDITION LEVERS WERE ADVANCED TO HIGH RPM. BOTH ENGINES ACCELERATED BUT AS THE RPM REAC
- [SDR CA020531011](https://openairdocs.org/sdr/CA020531011), May 24, 2002: RELAY. BURNED. (CAN) RT ENGINE STARTED WITH NO PROBLEMS. LT ENGINE START SWITCH ACTIVATED, BUT PROP ROTATION VERY SLOW. ACFT AMMETER OBSERVED TO BE AT MAX DEFLECTION. CABIN BE
- [SDR CA020507008](https://openairdocs.org/sdr/CA020507008), Apr 17, 2002: SHOE. DIRTY. (CAN) ANTI-SHIMMY FRICTION SHOE HAD DIRT OR SAND IN IT THAT WAS CAUSING MORE DRAG THEN NECESSARY. SAND MAY HAVE BEEN PICKED UP IN PARKING AREA. AIRCRAFT WAS ATT
- [SDR CA010627051](https://openairdocs.org/sdr/CA010627051), Jun 27, 2001: BLOWER. SEIZED. (CAN) SMOKE ENTERED COCKPIT AFTER ORBITING FIRE FOR 20 MINUTES. GROUND BLOWER RESET CIRCUIT BREAKER TRIPPED OFF. COCKPIT CHECKED FOR DAMAGED WIRING. ENGINE BLEE
- [SDR 20000825SH005](https://openairdocs.org/sdr/20000825SH005), Aug 1, 2000: BEARING. FAILED. ENGINE DISASSEMBLED, INSPECTED, A BEARING IN THE DIRECT-DRIVE GEAR TRAIN FAILED. BEARING IS INSTALLED IN THE TORQUE SENSOR ASSY. ALLIED SIGNAL SB 331-72-0360 AD
- [SDR 20000515SH006](https://openairdocs.org/sdr/20000515SH006), Apr 20, 2000: BEARING. DESTROYED. UNIT RECEIVED FROM DTA FOR EVALUATION. INSP DETERMINED UNIT DESTROYED FROM FAILURE OF DRIVE END BEARING. BEARINGS WERE OF LUCAS P/N. SHAFT SHEARED, ARMATURE DES
- [SDR AU980740](https://openairdocs.org/sdr/AU980740), Jun 13, 1998: MLG. COLLAPSED. (AUS) MAIN LANDING GEAR COLLAPSED DURING RT ENGINE START. INVESTIGATION COULD FIND NO CONCLUSIVE CAUSE OF THE DEFECT.
- [SDR 98ZZZX1931](https://openairdocs.org/sdr/98ZZZX1931), Apr 17, 1998: ARMATURE. MALFUNCTIONED. A 23079-1020 ARMATURE WAS INSTALLED IN A 23065-013 S/G. THIS CAUSED CONTINUOUS PROBLEMS IN PARALLELING THE LOAD. ON TEAR-DOWN FOR OVERHAUL, FOUND EXCESSIVE DEPT
- [SDR EY2R9600124](https://openairdocs.org/sdr/EY2R9600124), Oct 1, 1996: STOP BRACKET. CRACKED. PROP HIGH STOP BRACKETCRACKED. ALL 3 CRACKED AT PIN
- [SDR EY2R9600123](https://openairdocs.org/sdr/EY2R9600123), Oct 1, 1996: STOP BRACKET. CRACKED. HIGH STOP BRACKET CRACKED. ALL 3 CRACKED AT PIN
- [SDR AU960631](https://openairdocs.org/sdr/AU960631), May 10, 1996: PIPE. CRACKED. (AUS) AIRCONDITIONING BLEED AIR SYSTEM SUSPECT LEAKING AT CONNECTION - AD/AC/95 HAD BEEN CARRIED OUT TWO MONTHS PREVIOUSLY -INVESTIGATION FOUND THAT BLEED AIR L
- [SDR AU961154](https://openairdocs.org/sdr/AU961154), May 8, 1996: FUSELAGE. BIRD STRIKE. (AUS) AIRCRAFT HIT BY SEAGULL DURING LANDING
- [SDR 96ZZZX2234](https://openairdocs.org/sdr/96ZZZX2234), Apr 5, 1996: WINDOW. FAILED. AT 13,000 FEET, 4.2 PSID CABIN DIFFERENTIAL RPESSURE AND APPROXIMATELY 250 KIAS, THE COPILOT'S SIDE WINDOW FAILED CATASTROPHICALLY. APPROXIMATELY 50 PERCENT OF 

## STCs that may be installed (OpenAirDocs) (157, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [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 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 SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies
- [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 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 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 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 SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision 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
- [STC SA03658AT](https://openairdocs.org/stc/SA03658AT): Installation of a Voice Alert System to incorporate as primary annunciators for stall and gear warnings. Aircraft Components Inc

All 157: https://openairdocs.org/model/aero-commander-690/stcs.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Align 690](https://openairdocs.org/model/align-690): 0 registered aircraft, registry code 06101WX
- [Rockwell International 690](https://openairdocs.org/model/rockwell-international-690): 0 registered aircraft, registry code 7630514

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