SA09111ACOther aircraft modifications
Installation of Concorde RG390ES sealed lead-acid battiers.
FAA holder: Ontic Engineering and Manufacturing Inc.
FAA-listed STC holder
Ontic Engineering and Manufacturing Inc. STCs
The Jun 30, 2026 FAA DRS snapshot lists 59 selected supplemental type certificates with status Current under Ontic Engineering and Manufacturing Inc.. The records span 205 public aircraft directories and 7 modification categories. This is a research directory, not a claim that any specific kit or service is currently offered.
59
listed Current at snapshot
205
aircraft directories
7
modification categories
Mar 17, 2022
latest recorded revision
Modification mix
Other aircraft modifications14
Engine and powerplant12
Cargo and special mission11
Propellers9
Fuel systems6
Avionics4
Electrical systems3
Aircraft represented
Boeing 737-300 Series522 STCsBoeing 727-200 Series450 STCsBoeing 737-200 Series433 STCsBoeing 737-400 Series411 STCsBoeing 737-500 Series323 STCsBoeing 727-100 Series262 STCsBoeing 737-100 Series137 STCsMitsubishi Heavy Industries MU-2B-35132 STCsMitsubishi Heavy Industries MU-2B-36121 STCsMitsubishi Heavy Industries MU-2B-26114 STCsBoeing 737-200C Series113 STCsDassault-Aviation Fan Jet Falcon Series D111 STCsMitsubishi Heavy Industries MU-2B-25110 STCsDassault-Aviation Fan Jet Falcon Series E109 STCsDassault-Aviation Fan Jet Falcon Series F105 STCsBoeing DC-10-30100 STCsDassault-Aviation Fan Jet Falcon Series C92 STCsMcDonnell Douglas DC-9-3291 STCsBoeing DC-10-1088 STCsBoeing DC-9-3279 STCs
Recently revised records
Showing the 59 most recently revised records. Category directories provide the complete paginated discovery path.
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SA09169ACOther aircraft modifications
Installation of Concorde RG390ES sealed lead-acid batteries.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA09170ACOther aircraft modifications
Installation of Concorde RG390ES sealed lead-acid batteries.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA09463ACOther aircraft modifications
Installation of Concorde FASRG91STC sealed lead-acid batteries.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA10352SCAvionics
Installation of an Aviation Communication & Surveillance Systems (ACSS) TCAS II, dual ACSS Mode-S transponders and dual Sextant VSI/TCAS display.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1528SOAvionics
Installation of Litton LTN 72R inertial navigation system utilizing software program 72-7 supplement 72-19 installed.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1529SOAvionics
Installation of Foster Airdata RNAV 612 area navigation system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA4618SWOther aircraft modifications
Installation of the Zee Systems R-12/R-134a Air Conditioning Systems.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA4725SWOther aircraft modifications
Installation of Conrac stall warning and stall avoidance system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA7374SWOther aircraft modifications
Installation of a UNS-1A flight management system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA7440SWFuel systems
Installation of fuel quantity indicators, fuel quantity repeaters and digital calibration units.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA7729SWFuel systems
Installation of digital fuel quantity indicators, fuel totalizer, and capacitive fuel compensator units.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST01234SEOther aircraft modifications
Installation of Model 4036-01 Gauging Transient Suppression Units.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA2955SOFuel systems
Replacement of existing electromechanical fuel quantity indicators with Smiths Industries digital fuel quantity indicators.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00847SEFuel systems
Installation of Model 4035 Transient Suppression Units on Boeing 737 Classic Airplanes fitted with Smiths Digital Fuel Gauging Systems.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA3468NMFuel systems
Installation of a 2300-07-1, 2307-02-1, or 2307-03-1 digital fuel quantity gauge system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA3498NMFuel systems
Installation of Smith Aerospace fuel quantity gauge system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1530SOAvionics
Installation of Global GNS-500 Series 3C VLF/Omega Navigation System utilizing software program 3C-FE9F/E.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1470SOElectrical systems
Installation of Lear Siegler 400 AMP starter generator control unit P/N 51539-0065.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00388LA-DCargo and special mission
Installation of provisions for smoke detection and fire suppression systems, lower cargo compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00399LA-DCargo and special mission
Installation of smoke detection system, lower cargo compartment.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00403LA-DCargo and special mission
Installation of smoke detection system, lower cargo compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00404LA-DCargo and special mission
Installation of smoke detection and fire suppression systems provisions, lower cargo compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00406LA-DCargo and special mission
Installation of Smoke Detection and Fire Suppression Systems, Lower Cargo Compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00511LAOther aircraft modifications
Installation of a smoke detection and fire suppression system.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00740LA-DCargo and special mission
Installation of smoke detection and fire suppression systems provisions, lower cargo compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00745LA-DCargo and special mission
Installation of Lower Cargo Compartment Smoke Detection and Fire Suppression Systems.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00746LA-DCargo and special mission
Installation of smoke detection system, lower cargo compartment.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00751LA-DCargo and special mission
Installation of lower cargo compartment smoke detection and fire suppression.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00765LA-DOther aircraft modifications
Installation of smoke detection and fire suppression systems provisions.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00982LA-DOther aircraft modifications
Installation of smoke detection and fire suppression systems provisions.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00986LA-DCargo and special mission
Installation of lower cargo compartment smoke detection system provisions.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00990LA-DCargo and special mission
Installation of smoke detection system in lower cargo compartments.
FAA holder: Ontic Engineering and Manufacturing Inc.
ST00991LA-DOther aircraft modifications
Installation of Smoke Detection and Fire Suppression Systems.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1019GLElectrical systems
Installation of Woodward P/N A213796 control box, electrical connector, and remote switch.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1020GLPropellers
Removal of P/N 213762 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, and electrical connector.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1054GLPropellers
Removal of P/N 213763 propeller synchrophaser control box and electrical connector, and installation of P/N A213796 control box, electrical connector, and remote switch.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA166CEEngine and powerplant
Twin-engine electronic synchronizer and unfeathering system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA167CEOther aircraft modifications
Electronic synchronizer kit.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA168CEEngine and powerplant
Twin engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA174CEEngine and powerplant
Twin-engine electronic sychronizer for aircraft equipped with Hartzell propellers.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA188CEEngine and powerplant
Twin-engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA20GLPropellers
Installation of Woodward Type II electronic propeller synchronizer or synchrophaser system. (G-44A MODIFIED COLEMILL - STC 2-13) (500-A modified - Colemill STC SA340SO).
FAA holder: Ontic Engineering and Manufacturing Inc.
SA213CEEngine and powerplant
Twin-engine electronic sychronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA231CEEngine and powerplant
Twin engine synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA250CEPropellers
Installation of Woodward electronic propeller synchraphaser system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA25CEEngine and powerplant
Twin-engine electronic synchronizer.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA30GLEngine and powerplant
Installation of electronic engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA412CEEngine and powerplant
Installation of Woodward Electronic Engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA698CEEngine and powerplant
Install Woodward electronic engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA756CEEngine and powerplant
Install Woodward engine synchronizer system.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA791CEOther aircraft modifications
Installation of either of the following electronic synchronizer kits P/N 213521 or P/N 213517.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA8GLEngine and powerplant
Installation of engine synchronizer kit P/N 213522.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1021GLPropellers
Removal of TC P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1022GLPropellers
Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1023GLElectrical systems
Installation of P/N A213796 control box, electrical connector, and remote switch.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1024GLPropellers
Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1025GLPropellers
Removal of T.C. P/N 213762 propeller synchrophaser control box and electrical connector and installation of P/N A213796.
FAA holder: Ontic Engineering and Manufacturing Inc.
SA1055GLPropellers
Removal of TC P/N 213761 or213763 propeller synchrophaser control box and electrical connector and installation of P/N A213796 control box, electrical connector, and remote switch.
FAA holder: Ontic Engineering and Manufacturing Inc.