# Aero Commander 1121B - Type: Aircraft model (FAA registry) - Registry code: 0142010 - Manufacturer (registry): AERO COMMANDER - Model: 1121B - Aircraft type: Fixed wing multi engine - Category: Airplane - Engines: 2 · Turbo-jet - Seats: 10 - Weight class: 12,500 to 19,999 lb - Cruise speed: 390 mph - Certification: Type certificated - Data sheet: [TCDS A2SW](https://openairdocs.org/tcds/A2SW) (OpenAirDocs) - Holder: Israel Aircraft Industries Ltd. - Registered aircraft: 0 - Page: https://openairdocs.org/model/aero-commander-1121b 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 2004-14-14](https://openairdocs.org/ad/2004-14-14): Rudder skins and ribs · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Aug 13, 2004 - [AD 2003-11-07](https://openairdocs.org/ad/2003-11-07): Oxygen Shutoff Valve · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Jul 3, 2003 - [AD 2000-23-13](https://openairdocs.org/ad/2000-23-13): Horizontal Stabilizer Trim Actuator · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Dec 4, 2000 - [AD 98-20-35](https://openairdocs.org/ad/98-20-35): Trim Actuator of Horizontal Stabilizer · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Nov 3, 1998 - [AD 98-06-10](https://openairdocs.org/ad/98-06-10): Hydraulic Fuses In Brake System And Emergency Hydraulic Indicating System · Gulfstream Aerospace LP 1125 Westwind Astra, Astra SPX, 1121 and 5 more. Effective Apr 17, 1998 - [AD 93-25-03](https://openairdocs.org/ad/93-25-03): Structural Integrity Of Wings · Israel Aircraft Industries 1121, 1121A, 1121B and 1 more. Effective Jan 19, 1994 - [AD 91-13-08](https://openairdocs.org/ad/91-13-08): Nose Landing Gear · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Jul 22, 1991 - [AD 89-12-08](https://openairdocs.org/ad/89-12-08): Horizontal Stabilizer · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Jul 10, 1989 - [AD 87-16-01](https://openairdocs.org/ad/87-16-01): Fuel Line Shrouds and Drains · GTCP30-92 or GTCP30-92C auxiliary power unit (UNC/CFC Acquisition STC SA1043WE or 2 others). Effective Aug 26, 1987 - [AD 81-01-08](https://openairdocs.org/ad/81-01-08): Placard-Operating Speeds · Israel Aircraft Industries 1121, 1121A, 1121B and 2 more. Effective Jan 16, 1981 - [AD 78-24-04](https://openairdocs.org/ad/78-24-04): Flexible Fuel Line Installation · Israel Aircraft Industries 1121, 1121A and 1121B. Effective Dec 20, 1978 - [AD 74-24-09](https://openairdocs.org/ad/74-24-09): Auxiliary Power Units · Airbus BAC 1-11 200 Series, BAC 1-11 400 Series, Auxiliary Power Units and 63 more. Effective Nov 19, 1975 - [AD 75-16-16](https://openairdocs.org/ad/75-16-16): Autopilot · Israel Aircraft Industries 1121, 1121A, 1121B and 1 more. Effective Aug 12, 1975 - [AD 69-12-08](https://openairdocs.org/ad/69-12-08): Fuel Supply System · Israel Aircraft Industries 1121, 1121A and 1121B. Effective Jun 21, 1969 - [AD 69-08-10](https://openairdocs.org/ad/69-08-10): Horizontal Stabilizer Trim System · Israel Aircraft Industries 1121, 1121A and 1121B. Effective May 24, 1969 - [AD 73-11-05](https://openairdocs.org/ad/73-11-05): Main Landing Gear · Israel Aircraft Industries 1121, 1121A and 1121B Historical (superseded or no longer in force): - [AD 98-05-09](https://openairdocs.org/ad/98-05-09) (historical): Trim Actuator Of Horizontal Stabilizer Inspection · Israel Aircraft Industries 1121, 1121A, 1121B and 3 more. Effective Apr 10, 1998 ## Registered aircraft None registered with this model now. ## NTSB investigations (2) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB FTW97RA194](https://openairdocs.org/ntsb/FTW97RA194), May 20, 1997: Rockwell 1121B (N1121F), La Carbonera, Mexico, 4 fatal - [NTSB DEN70A0041](https://openairdocs.org/ntsb/DEN70A0041), Dec 16, 1969: Aero Comdr 1121B (N403M), Salt Lake City, UT, destroyed, 2 fatal ## FAA accident and incident reports (4) 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 19970520011609A](https://openairdocs.org/incident/19970520011609A), May 20, 1997: Israel 1121B (N1121F), San Louis Potos, Mexico, No damage, 4 fatal. Aircraft lost from mexican radar/radio contact. Crashed. - [Incident 19950106005829I](https://openairdocs.org/incident/19950106005829I), Jan 6, 1995: Israel 1121B (N122ST), New Orleans, LA. Narrative: the aircraft was level at FL350 encountering light icing and occasional light to moderate turbulence. Requested and was cleared to FL390. After… - [Incident 19910417021599I](https://openairdocs.org/incident/19910417021599I), Apr 17, 1991: Israel 1121B (N912DA), New Orleans, LA, Minor damage. Hydraulic failure on touch and go landing. Gear showed safe. Elected to veer into grass, had a broken b nut. - [Incident 19830301009609I](https://openairdocs.org/incident/19830301009609I), Mar 1, 1983: Israel 1121B (N912DA), Houston, TX. Aircraft ran off runway during landing roll. Left main wheel brake failed. ## Service difficulty reports (3) As reported by operators and repair stations, by the model named in the report. - [SDR 98ZZZX4002](https://openairdocs.org/sdr/98ZZZX4002), Aug 11, 1998: PIN. LOOSE. NOSE STEERING KNOB ROTATING ON SHAFT DUE TO ROLL PIN BACKED OUT. INSTALLED ROLL PIN AND SAFETIED WITH .032 INCH SAFETY WIRE. HYDRAULIC SYSTEM CHECKED AND WAS FO - [SDR 95ZZZX6598](https://openairdocs.org/sdr/95ZZZX6598), Nov 6, 1995: WINDSHIELD. SHATTERED. THE COPILOT'S WINDSHIELD SHATTERED AT ALTITUDE. DAMAGE WAS CONTAINED IN THE INNER HEATING ELEMENT PORTION OF THE OUTER WINDSHIELD. THE PRESSURE VESSEL WAS NOT C - [SDR 95ZZZX733](https://openairdocs.org/sdr/95ZZZX733), Jan 12, 1995: PITOT TUBE. PLUGGED. COPILOT EXPERIENCED ERRONEOUS AIRSPEED INDICATION. RIGHT PITOT SYSTEM CHECKED, FOUND RESTRICTION. PURGED SYSTEM WITH DRY COMPRESSED AIR. FOREIGN SUBSTANCE EXITE ## STCs that may be installed (OpenAirDocs) (77, 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 ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center - [STC SA2622NM](https://openairdocs.org/stc/SA2622NM): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101). Precise Flight Inc - [STC ST08995AC](https://openairdocs.org/stc/ST08995AC): Replacement of original O rings and backup rings from landing gear lower bearing and floating piston with Green Tweed, Inc. AGT seals. Metrea Special Aerospace ISR Inc - [STC ST02004WI](https://openairdocs.org/stc/ST02004WI): Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI). Peregrine - [STC ST00835DE](https://openairdocs.org/stc/ST00835DE): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor. Peregrine - [STC SA1879SW](https://openairdocs.org/stc/SA1879SW): Installation of Engine thrust reversers. The NORDAM Group LLC - [STC ST00304WI](https://openairdocs.org/stc/ST00304WI): Installation of Keddeg Company 21BC113 coaleser assembly. Purolator Facet, Inc - [STC SA1178GL](https://openairdocs.org/stc/SA1178GL): Install Egan Aviation air ambulance stretcher P/N 125, using Installation Kit P/N 805. Paul/ Lanna Egan LLC - [STC SA411NW](https://openairdocs.org/stc/SA411NW): Installation of forward facing white lights, position lights, clear plastic covers, and associated systems. Knots 2U Ltd - [STC SA416CE](https://openairdocs.org/stc/SA416CE): Installation of Hoskins Supplementary Twilighter Mark III High Lighting System encompassing Model A Single Wing Tip Lights and Model D (Dual) Tail Light or Tail Light Assembly per Hoskins Drawings 30-0208-3. BF Goodrich Aerospace - [STC SA922SW](https://openairdocs.org/stc/SA922SW): Drag chute as safety item. JSF Aviation Services Inc - [STC SA1298SW](https://openairdocs.org/stc/SA1298SW): Installation of Teledyne Avionics normalized angle of attack system model 112B400 w/input to slow/fast indicators of Collins FD108 or FD109 flight director w/indicator model 329B-8( ), Sperry HZ6F, HZ6B flight director,or Bendix FD60 flight director. Aerosonic Corporation - [STC SA927EA](https://openairdocs.org/stc/SA927EA): Installation of Grimes three light strobe kit P/N 34-0305-1 as supplemental lighting. Honeywell International Inc - [STC SA791CE](https://openairdocs.org/stc/SA791CE): Installation of either of the following electronic synchronizer kits P/N 213521 or P/N 213517. Ontic Engineering and Manufacturing Inc - [STC SA1192SO](https://openairdocs.org/stc/SA1192SO): Install Utah Research & Development Co. Model 126BC-101 battery charger system. Aviall Services, Inc - [STC SA2894SW](https://openairdocs.org/stc/SA2894SW): Installation of hydraulic accumulator pressure gages. AAR Airframe and Accessories Group - [STC SA1017SW](https://openairdocs.org/stc/SA1017SW): Installation of Collins Radio Company AP-104/FD-109H autopilot and flight director system. Rockwell Collins Inc - [STC SA3000WE](https://openairdocs.org/stc/SA3000WE): Installation of logo light assembly. DeVore Aviation Corporation of America, a New Mexico Corporation - [STC SA1274SW](https://openairdocs.org/stc/SA1274SW): Installation of CA5 batteries. AAR Aircraft Services Inc - [STC SA1513SW](https://openairdocs.org/stc/SA1513SW): Installation of ground air conditioner. AAR Aircraft Services Inc - [STC SA1947SW](https://openairdocs.org/stc/SA1947SW): Installation of a fuel drain collector. AAR Aircraft Services Inc - [STC SA2389SW](https://openairdocs.org/stc/SA2389SW): Installation of identification and recognition lights in wings. AAR Aircraft Services Inc - [STC SA2396SW](https://openairdocs.org/stc/SA2396SW): Fabrication and installation of aircraft positive door latch. AAR Airframe and Accessories Group - [STC SA2471SW](https://openairdocs.org/stc/SA2471SW): Fabrication and installation of aircraft cabin door retainer. AAR Airframe and Accessories Group - [STC SA2695SW](https://openairdocs.org/stc/SA2695SW): Installation of aircraft taxi lights on main landing gears. AAR Aircraft Services Inc - [STC SA2712SW](https://openairdocs.org/stc/SA2712SW): Modify existing TSO three-place forward facing couch with adjustable back. AAR Aircraft Services Inc - [STC SA2713SW](https://openairdocs.org/stc/SA2713SW): Installation of two and three-place couches (TSO 39a) side facing at right side of cabin. AAR Aircraft Services Inc - [STC SA2716SW](https://openairdocs.org/stc/SA2716SW): Relocation of thrust reverser hydraulic accumulator pressure gauge. AAR Aircraft Services Inc - [STC SA2745SW](https://openairdocs.org/stc/SA2745SW): Installation of aft baggage compartment. AAR Aircraft Services Inc - [STC SA4045SW](https://openairdocs.org/stc/SA4045SW): Installation of manually activated ignitor switches with G.E. ignition exciter unit P/N 4026T0301. AAR Airframe and Accessories Group - [STC SA4256SW](https://openairdocs.org/stc/SA4256SW): Fabrication and installation of combination seat and toilet. AAR Aircraft Services Inc - [STC SA4329SW](https://openairdocs.org/stc/SA4329SW): Installation of pitot heat monitor system. AAR Aircraft Services Inc - [STC SA4125SW](https://openairdocs.org/stc/SA4125SW): Two-place side facing seat, frame only and side facing only. Aviation Fabricators Inc - [STC SA1213SO](https://openairdocs.org/stc/SA1213SO): Replace existing nickel-cadmium batteries with Gill BB638/T series lead-acid batteries. Teledyne Battery Products - [STC SA1311SW](https://openairdocs.org/stc/SA1311SW): Redesigned nose wheel corotating drive shaft. Astra Jet Corporation - [STC SA1345SW](https://openairdocs.org/stc/SA1345SW): Gross weight increase to 18,500 lbs. takeoff with B.F. Goodrich wheels, brakes and anti-skid system. Astra Jet Corporation - [STC SA1434SW](https://openairdocs.org/stc/SA1434SW): Increase maximum zero fuel weight from 12,000 lbs. to 12,340 lbs. Astra Jet Corporation - [STC SA2203SW](https://openairdocs.org/stc/SA2203SW): Install capacitance type fuel gaging system. Astra Jet Corporation - [STC SA4008SW](https://openairdocs.org/stc/SA4008SW): Installation of GE CJ610-9 engines. Astra Jet Corporation - [STC SA7894SW](https://openairdocs.org/stc/SA7894SW): Installation of provisions for a patient litter with electrical power connectors. AVIEX Jet, Inc - [STC SA2116SW-AC](https://openairdocs.org/stc/SA2116SW-AC): Installation of Advanced Navigation Inc. Loran C navigation system. Aviation Standards National Field Office - [STC SA2118SW-AC](https://openairdocs.org/stc/SA2118SW-AC): Installation of Bendix flight inspection Microwave Landing System. Aviation Standards National Field Office - [STC SA398EA](https://openairdocs.org/stc/SA398EA): Installation of radome kit No. 3065. Norton Company, Performance Plactics - [STC SA2109SW-AC](https://openairdocs.org/stc/SA2109SW-AC): Modification of the attitude selection and annunciation system to keep the autopilot from disconnecting when selecting another source of attitude information. Federal Aviation Administration - [STC ST881SO](https://openairdocs.org/stc/ST881SO): Installation of Teledyne P/N BB638/T- Series lead-acid replacement batteries. Teledyne Battery Products - [STC SA934SW](https://openairdocs.org/stc/SA934SW): Aft baggage compartment. Federal Express Corp - [STC SA1837SW](https://openairdocs.org/stc/SA1837SW): Seat modification. Qualitron Aero, Inc - [STC SA1833SW](https://openairdocs.org/stc/SA1833SW): Installation of Collins 346B-3 audio/interphone system. Qualitron Aero, Inc - [STC SA1819SW](https://openairdocs.org/stc/SA1819SW): Installation of Collins FCS-105 consisting of dual FD109 flight directors and AP105 autopilot and associated Qualitron Aero Inc switching system. Qualitron Aero, Inc - [STC SA1822SW](https://openairdocs.org/stc/SA1822SW): ADF installation - Collins DF206. Qualitron Aero, Inc All 77: https://openairdocs.org/model/aero-commander-1121b/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Israel Aircraft Industries 1121B](https://openairdocs.org/model/israel-aircraft-industries-1121b): 0 registered aircraft, registry code 4500104 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.