# N7DD: 1974 Mitsubishi MU-2B - Status: Valid registration - Airframe: [Mitsubishi MU-2B](https://openairdocs.org/model/mitsubishi-mu-2b) (registry code 5780404, 9 seats) - Engine: [AiResearch TPE331-5&6SER](https://openairdocs.org/engine/airesearch-tpe331-5-6ser) (registry code 01515) - Data sheets: [TCDS A2PC](https://openairdocs.org/tcds/A2PC) (Mitsubishi Heavy Industries Ltd. 203) (OpenAirDocs) - Serial number: 297 - Year built: 1974 - Type: Fixed wing multi engine - Engine type: Turbo-prop - Airworthiness: Standard, normal - Airworthiness date: May 1, 1979 - Certificate issued: September 14, 2026 - Expires: September 30, 2033 - Mode S code: A9502B - Registered owner: [Glasshawk Aircraft Conversions LLC](https://openairdocs.org/faa-owner/GLASSHAWK%20AIRCRAFT%20CONVERSIONS%20LLC) - Location: [Lavonia, GA](https://openairdocs.org/faa-place/GA/Lavonia) - Owner type: LLC - Owner's area on the map: 34.4511° N, 83.0832° W: Placed by OpenAirDocs at the center of ZIP code 30553, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7DD - Page: https://openairdocs.org/aircraft/N7DD From the FAA registry file of October 24, 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): 27 in force ### Matched by airframe (Mitsubishi MU-2B) - [AD 2020-26-14](https://openairdocs.org/ad/2020-26-14): Propellers · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Feb 2, 2021 - [AD 2010-10-17](https://openairdocs.org/ad/2010-10-17): Airplane flight manual · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jul 22, 2010 - [AD 2007-17-09](https://openairdocs.org/ad/2007-17-09): Elevator nose-down trim · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Sep 25, 2007 - [AD 2006-17-05](https://openairdocs.org/ad/2006-17-05): Flight checks of the rigging of the engine and propeller systems · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Sep 22, 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 2003-22-07 R1](https://openairdocs.org/ad/2003-22-07-R1): AFM- forecast icing conditions · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Apr 16, 2004 - [AD 2000-09-15 R1](https://openairdocs.org/ad/2000-09-15-R1): Icing Conditions · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jul 24, 2000 - [AD 98-25-02](https://openairdocs.org/ad/98-25-02): Top-mounted Antenna · Bell Helicopter Textron Canada 407, 172, 172A and 243 more. Effective Dec 22, 1998 - [AD 98-20-39](https://openairdocs.org/ad/98-20-39): Forward Attachment Fitting Bolt · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Nov 20, 1998 - [AD 97-04-13](https://openairdocs.org/ad/97-04-13): Vent Check Valve Assembly · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 2 more. Effective Apr 16, 1997 - [AD 88-21-01 R1](https://openairdocs.org/ad/88-21-01-R1): Control Yoke · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jan 28, 1989 - [AD 88-23-01](https://openairdocs.org/ad/88-23-01): Torque Tube Joints · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Dec 4, 1988 - [AD 88-13-01](https://openairdocs.org/ad/88-13-01): Autopilots · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jul 11, 1988 - [AD 87-04-03](https://openairdocs.org/ad/87-04-03): Flap Flexible Shafts · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Mar 7, 1987 - [AD 86-20-01](https://openairdocs.org/ad/86-20-01): Pitot System Modification · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Oct 6, 1986 - [AD 86-15-03](https://openairdocs.org/ad/86-15-03): NLG Strut Assembly · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 6 more. Effective Aug 13, 1986 - [AD 84-25-02](https://openairdocs.org/ad/84-25-02): Trim Tab Brackets · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Dec 18, 1984 - [AD 84-12-04](https://openairdocs.org/ad/84-12-04): Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jun 28, 1984 - [AD 82-21-03](https://openairdocs.org/ad/82-21-03): Fire Detection · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 4 more. Effective Oct 14, 1982 - [AD 82-08-02](https://openairdocs.org/ad/82-08-02): Electrical Wiring Inspection · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 6 more. Effective Apr 15, 1982 - [AD 81-06-01 R1](https://openairdocs.org/ad/81-06-01-R1): Engine Aft Nacelles · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 3 more. Effective Apr 1, 1981 - [AD 80-15-03](https://openairdocs.org/ad/80-15-03): Rear Baggage Compartment · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 2 more. Effective Jul 24, 1980 - [AD 79-24-02](https://openairdocs.org/ad/79-24-02): Outer Fuel Tank Wiring · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Nov 21, 1979 - [AD 78-03-05](https://openairdocs.org/ad/78-03-05): Cowling Latches · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 6 more. Effective Feb 23, 1978 - [AD 74-11-01](https://openairdocs.org/ad/74-11-01): Windshield Outer Panes · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 4 more. Effective Jan 30, 1978 - [AD 73-19-03](https://openairdocs.org/ad/73-19-03): Nose Gear Actuating System Failure · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 2 more. Effective Oct 8, 1973 ### Matched by engine (AiResearch TPE331-5&6SER) None in force. ### Historical (superseded or no longer in force) - [AD 2006-17-01](https://openairdocs.org/ad/2006-17-01) (historical): Airplane Flight Manual (AFM) · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Sep 22, 2006 - [AD 2006-15-07](https://openairdocs.org/ad/2006-15-07) (historical): Airplane Flight Manual (AFM) · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Aug 24, 2006 - [AD 2003-22-07](https://openairdocs.org/ad/2003-22-07) (historical): Airplane Flight Manual (AFM) - icing conditions · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Dec 15, 2003 - [AD 2000-09-15](https://openairdocs.org/ad/2000-09-15) (historical): Icing · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Jul 24, 2000 - [AD 97-25-02](https://openairdocs.org/ad/97-25-02) (historical): Airplane Flight Manual (AFM) - Power Levers · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 9 more. Effective Jan 21, 1998 - [AD 97-20-14](https://openairdocs.org/ad/97-20-14) (historical): Airplane Flight Manual (AFM) - Icing Limitations · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 10 more. Effective Oct 17, 1997 - [AD 75-16-20](https://openairdocs.org/ad/75-16-20) (historical): Propeller Pitch Control Lever · Mitsubishi Heavy Industries MU-2B, MU-2B-10, MU-2B-15 and 6 more. Effective Aug 12, 1975 ## Information bulletins (advisory) (3 in force) - [SAIB CE-19-09](https://openairdocs.org/saib/CE-19-09): Wing Miscellaneous Structure. Issued Jun 10, 2019 - [SAIB CE-12-33](https://openairdocs.org/saib/CE-12-33): Landing Gear Retraction/Extension System, Nose Landing Gear. Issued Jun 12, 2012 - [SAIB CE-04-84](https://openairdocs.org/saib/CE-04-84): . Issued Sep 10, 2004 ## NTSB investigations (1) 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 MIA85IA203](https://openairdocs.org/ntsb/MIA85IA203), Jun 24, 1985: Mitsubishi MU-2K (N7DD), San Juan, PR, incident, minor damage ## FAA accident and incident reports None matched to N7DD. ## 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) (97, 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 (Mitsubishi MU-2B) - [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 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 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 SA02203AK](https://openairdocs.org/stc/SA02203AK): Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc - [STC SA00491WI](https://openairdocs.org/stc/SA00491WI): Installation of Test Instrumentation, Inc., (TII) Trim-in-Motion Alert System on Mitsubishi MU-2B airplanes. Mitsubishi Heavy Industries America Inc - [STC SA00489WI](https://openairdocs.org/stc/SA00489WI): Installation of Test Instrumentation, Inc automatic autopilot disconnect system on airplanes equipped with Sperry SPZ-500 or Bendix M-4C or M-4D autopilot. Mitsubishi Heavy Industries America Inc - [STC SA00601WI](https://openairdocs.org/stc/SA00601WI): Installation of Test Instrumentation, Inc. (TII) Icing Alert (Rosemount 0871HL1/HL2 or 0871CT1 Ice Detector) System. Mitsubishi Heavy Industries America Inc - [STC SA1029SW](https://openairdocs.org/stc/SA1029SW): Installation of additional pitot system. Mitsubishi Heavy Industries America Inc - [STC SA1045SW](https://openairdocs.org/stc/SA1045SW): Installation of two-place side facing seat. Mitsubishi Heavy Industries America Inc - [STC SA1048SW](https://openairdocs.org/stc/SA1048SW): Replacement of Mitsubishi manufactured seats. Mitsubishi Heavy Industries America Inc - [STC SA1140SW](https://openairdocs.org/stc/SA1140SW): Installation of Hartzell HC-B3TN-5/T1078HB-11R propeller. Mitsubishi Heavy Industries America Inc - [STC SA1411SW](https://openairdocs.org/stc/SA1411SW): Installation of emergency locator transmitter. Mitsubishi Heavy Industries America Inc - [STC SA1857SW](https://openairdocs.org/stc/SA1857SW): Installation of B.F. Goodrich type 25S de-ice boot. Mitsubishi Heavy Industries America Inc - [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 1](https://openairdocs.org/stc/SA11174SC%20PAGE%201): Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems. Honeywell International Inc (Bendix King) - [STC SA02426AK](https://openairdocs.org/stc/SA02426AK): Approval of the FreeFlight FDL-978-TX ADS-B system installed. FreeFlight Systems - [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 SA84CH](https://openairdocs.org/stc/SA84CH): Replace Cabin Door Seal. Mitsubishi Heavy Industries America Inc - [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 1](https://openairdocs.org/stc/SA02153LA-D%20PAGE%201): 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 ST00276WI](https://openairdocs.org/stc/ST00276WI): Installation of Kedeg Company 21BC11e Coaleser Assemly. Purolator Facet, Inc - [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 1](https://openairdocs.org/stc/SA00352BO%20PAGE%201): 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 SA1204GL](https://openairdocs.org/stc/SA1204GL): Install Egan Aviation air ambulance stretcher P/N 126 using Installation Kit P/N 806. Paul/ Lanna Egan LLC - [STC SA03533NY](https://openairdocs.org/stc/SA03533NY): Installation of Hawker 9750W0538 (24V40Ah) Sealed Lead Acid-Batteries. Securaplane Technologies Inc - [STC SA03686NY](https://openairdocs.org/stc/SA03686NY): Replacement of certain Goodrich pneumatic deicer boots. BE Aerospace Inc. DBA SMR Technologies, Inc - [STC SA02547AT](https://openairdocs.org/stc/SA02547AT): Installation of a Voice Alert System. Aircraft Components Inc - [STC SA01594SE](https://openairdocs.org/stc/SA01594SE): Fabrication of Stretched Acrylic Cabin windows. Mitsubishi Heavy Industries America Inc - [STC SA01969SE](https://openairdocs.org/stc/SA01969SE): Installation of a Mid-Continent MD302 Standby Attitude Module. Mid-Continent Instruments and Avionics - [STC SA01229SE PAGE 1](https://openairdocs.org/stc/SA01229SE%20PAGE%201): Installation of GNS 480 (CNX80) GPS WAAS Navigator with integrated VHF Navigation and Communication radios. Garmin International Inc - [STC SA01933LA-D PAGE 1](https://openairdocs.org/stc/SA01933LA-D%20PAGE%201): Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System. Garmin International Inc - [STC SA02121SE](https://openairdocs.org/stc/SA02121SE): Installation of Garmin GTS 825 (TAS) or GTS 855 (TCAS I) Traffic System. Garmin International Inc - [STC SA00269BO](https://openairdocs.org/stc/SA00269BO): Installation of Avidyne Corporation TWX 670 Tactical Weather Detection System P/N 850-00026-000-( ) consisting of Avidyne Processor P/N 700-00033-000-( ), Sensor Systems Inc. Antenna P/N S72-1715-1 with doubler plate P/N S72-171530-1, and Avidyne Mounting Tray P/N 700-00034-000. Avidyne Corporation - [STC SA00816SE](https://openairdocs.org/stc/SA00816SE): Installation of emergency exit placards. Mitsubishi Heavy Industries America Inc - [STC SA01434SE](https://openairdocs.org/stc/SA01434SE): Fabrication and Installation of a Tip Tank Sniffle Valve Decal. Mitsubishi Heavy Industries America Inc - [STC SA02064SE](https://openairdocs.org/stc/SA02064SE): Fabrication and installation of a Test Instrumentation, Inc., Tip Fuel Tank Pressure-Vacuum Relief Valve. Mitsubishi Heavy Industries America Inc - [STC SA01300WI](https://openairdocs.org/stc/SA01300WI): Installation of the MU-2B Voice Alerting System. Mitsubishi Heavy Industries America Inc - [STC SA01692SE](https://openairdocs.org/stc/SA01692SE): Installation of a Garmin GMX 200 Multi-Function Display. Garmin International Inc - [STC SA03148NY](https://openairdocs.org/stc/SA03148NY): The installation of the Latitude Technologies Corporation S100 Tracking System. Latitude Technologies Corporation - [STC SA01487SE-D](https://openairdocs.org/stc/SA01487SE-D): Installation of a GDL 69 or GDL 69A XM Satellite Receiver. Garmin International Inc - [STC SA00281BO](https://openairdocs.org/stc/SA00281BO): Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000. Avidyne Corporation All 97: https://openairdocs.org/aircraft/N7DD/stcs.md ## Related - Other Mitsubishi MU-2B aircraft: https://openairdocs.org/model/mitsubishi-mu-2b/aircraft.md - The AiResearch TPE331-5&6SER engine: https://openairdocs.org/engine/airesearch-tpe331-5-6ser.md --- 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.