MITSUBISHI MU-300

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered MITSUBISHI MU-300 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

02 /  NTSB Records

Events involving MITSUBISHI MU-300 aircraft

1 event(s) on file. Showing the most recent 1.

• Jun 16, 1987

  N37CB

  CAHOKIA, Illinois Minor

  NTSB Docket →

02c /  Academic Research

Scholarly work mentioning MITSUBISHI MU-300

Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.

• NASA NTRS 2019 · Reprint (Version printed in journal)

  Deep stall characteristics of MU-300

  The deep stall characteristics of the MU-300 Diamond aircraft are described. The MU-300 obtained type certification from the FAA in 1981, and from Canada, West Germany, and England in 1983.

Browse the full corpus — academia portal ↗

03 /  Airworthiness Directives

FAA directives applicable to MITSUBISHI MU-300

16 directive(s) on file. Showing the most recent 16.

• Oct 23, 2014

  Airworthiness Directives; Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) Airplanes

  We are adopting a new airworthiness directive (AD) for certain Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) Model 400, 400A, 400T, and MU-300 airplanes. This AD was prompted by a report of a failure of the Acme nut thr…

  Atlas AD → Federal Register ↗

• Aug 1, 2014

  Airworthiness Directives; Beechcraft Corporation Airplanes

  We are adopting a new airworthiness directive (AD) for certain Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Mitsubishi Heavy Industries, Inc. Ltd.) Model MU-300 airplanes, and Beechcraft Corporation (Type Certificate Previously Held by Hawker Bee…

  Atlas AD → Federal Register ↗

• Jun 30, 2014

  Airworthiness Directives; Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) Airplanes

  We propose to adopt a new airworthiness directive (AD) for certain Beechcraft Corporation (Type Certificate Previously Held by Hawker Beechcraft Corporation; Raytheon Aircraft Company; Beech Aircraft Corporation) Model 400, 400A, 400T, and MU-300 airplanes. This proposed AD was prompted by a report of a failure of the…

  Atlas AD → Federal Register ↗

• Apr 4, 2014

  Airworthiness Directives; Hawker Beechcraft Corporation Airplanes

  We propose to adopt a new airworthiness directive (AD) for certain Hawker Beechcraft Corporation (Type Certificate previously held by Mitsubishi; Raytheon Aircraft Company) Model MU-300 airplanes, and Hawker Beechcraft Corporation (Type Certificate previously held by Raytheon Aircraft Company; Beech Aircraft Corporati…

  Atlas AD → Federal Register ↗

• Mar 26, 2009

  Airworthiness Directives; Hawker Beechcraft Corporation Model MU-300-10 Airplanes and Model 400 and 400A Series Airplanes; and Raytheon (Mitsubishi) Model MU-300 Airplanes

  The FAA is superseding an existing airworthiness directive (AD), which applies to certain BEECH Model 400, 400A, and MU-300-10 airplanes. That AD currently requires installation of an improved adjustment mechanism on the flightcrew seats and replacement of the existing aluminum seat reinforcement assemblies with steel…

  Atlas AD → Federal Register ↗

• Nov 28, 2008

  Airworthiness Directives; Pratt & Whitney Canada Corp. JT15D-5; -5B; -5F; and -5R Turbofan Engines

  We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as…

  Atlas AD → Federal Register ↗

• Oct 31, 2008

  Airworthiness Directives; Hawker Beechcraft Corporation Model MU-300-10 Airplanes and Model 400 and 400A Series Airplanes; and Raytheon (Mitsubishi) Model MU-300 Airplanes

  The FAA proposes to supersede an existing airworthiness directive (AD) that applies to certain BEECH Model 400, 400A, and MU- 300-10 airplanes. The existing AD currently requires installation of an improved adjustment mechanism on the flightcrew seats and replacement of the existing aluminum seat reinforcement assembl…

  Atlas AD → Federal Register ↗

• Oct 10, 2006

  Airworthiness Directives; Raytheon (Beech) Model 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi) Model MU-300 Airplanes

  The FAA is adopting a new airworthiness directive (AD) for all Raytheon (Beech) Model 400, 400A, and 400T series airplanes; and Raytheon (Mitsubishi) Model MU-300 airplanes. This AD requires revising the airplane flight manual to modify the Operating Limitations, Abnormal Procedures, and Normal Procedures, as applicab…

  Atlas AD → Federal Register ↗

• Mar 8, 2006

  Airworthiness Directives; Sandel Avionics Incorporated Model ST3400 Terrain Awareness Warning System/Radio Magnetic Indicator Approved Under Technical Standard Order(s) C113, C151a, or C151b; Installed on Various Small and Transport Category Airplanes

  The FAA proposes to adopt a new airworthiness directive (AD). The new AD is for Sandel Avionics Incorporated Model ST3400 terrain awareness warning systems/radio magnetic indicator (TAWS/RMI) units as described above. This proposed AD would require installing a warning placard on the TAWS/RMI, installing upgraded soft…

  Atlas AD → Federal Register ↗

• Oct 27, 2004

  Airworthiness Directives; Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi) Model Beech MU-300 Airplanes

  The FAA is adopting a new airworthiness directive (AD) for certain Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T series airplanes; and certain Raytheon (Mitsubishi) Model Beech MU-300 airplanes. This AD requires a one-time inspection of certain panels in the spoiler mixer bay for the presence of drain holes, a…

  Atlas AD → Federal Register ↗

• Jul 22, 2004

  Airworthiness Directives; Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi) Model Beech MU-300 Airplanes

  The FAA proposes to adopt a new airworthiness directive (AD) for certain Raytheon (Beech) Model MU-300-10, 400, 400A, and 400T series airplanes; and certain Raytheon (Mitsubishi) Model Beech MU-300 airplanes. This proposed AD would require a one-time inspection of certain panels in the spoiler mixer bay for the presen…

  Atlas AD → Federal Register ↗

• Jan 30, 2002

  Airworthiness Directives; Raytheon Model Beech 400, 400A, and 400T Series Airplanes; Model Beech MU-300-10 Airplanes; and Model Mitsubishi MU-300 Airplanes

  This amendment adopts a new airworthiness directive (AD) that is applicable to certain Raytheon Model Beech 400, 400A, and 400T series airplanes; Model Beech MU-300-10 airplanes; and Model Mitsubishi MU-300 airplanes. This action requires repetitive inspections to detect cracking in the radius of the cutout of the aft…

  Atlas AD → Federal Register ↗

• Dec 6, 2001

  Airworthiness Directives; Raytheon Model Beech 400, 400A, and 400T Series Airplanes, Model Mitsubishi MU-300 Airplanes, and Model Beech MU-300-10 Airplanes

  This amendment adopts a new airworthiness directive (AD) that is applicable to all Raytheon Model Beech 400, 400A, and 400T series airplanes, Model Mitsubishi MU-300 airplanes, and Model Beech MU-300-10 airplanes. This action requires revising the Emergency Procedures Section of the Airplane Flight Manual to ensure th…

  Atlas AD → Federal Register ↗

• Oct 26, 1999

  Airworthiness Directives; Raytheon Model Mitsubishi MU-300 Airplanes

  This amendment adopts a new airworthiness directive (AD), applicable to all Raytheon Model Mitsubishi MU-300 airplanes, that requires revising the Airplane Flight Manual (AFM) to provide pilots with certain operating procedures during icing conditions, and to limit the maximum flaps position for flight in icing condit…

  Atlas AD → Federal Register ↗

• Oct 18, 1999

  Airworthiness Directives; Raytheon (Beech) Model 400, 400A, 400T, and MU-300-10 Airplanes

  This amendment supersedes an existing airworthiness directive (AD), applicable to certain Raytheon (Beech) Model 400, 400A, 400T, and MU-300-10 airplanes, that currently requires a revision to the Airplane Flight Manual (AFM) to provide pilots with special operating procedures during icing conditions. This amendment a…

  Atlas AD → Federal Register ↗

• Dec 13, 1994

  Airworthiness Directives; Beech Model 400, 400A, 400T, and MU- 300-10 Airplanes, and Mitsubishi Model MU-300 Airplanes

  This amendment adopts a new airworthiness directive (AD) that is applicable to all Beech Model 400, 400A, 400T, and MU-300-10 airplanes, and all Mitsubishi Model MU-300 airplanes. This action requires a revision to the Airplane Flight Manual that provides pilots with special operating procedures during icing condition…

  Atlas AD → Federal Register ↗

04 /  Type Certificate Data Sheets

FAA TCDS for MITSUBISHI MU-300

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

• A16SW Historical Rev 20 · 11/14/2002

  Raytheon Aircraft Company

  Models: 400, 400A, 400T, MU-300-10

  Atlas TCDS → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for MITSUBISHI MU-300

9 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

• 03/06/2026

  STC SA2622NM

  Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)

  Precise Flight Inc.

  Atlas STC → DRS ↗

• 06/23/2021

  STC ST01930LA

  Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI)

  Sandel Avionics LLC

  Atlas STC → DRS ↗

• 03/21/2018

  STC SA01452CH

  Installation of an air ambulance conversion kit.

  Med-Pac Inc.

  Atlas STC → DRS ↗

• 10/19/2017

  STC ST00276WI

  Installation of Kedeg Company 21BC11e Coaleser Assemly.

  Purolator Facet, Inc

  Atlas STC → DRS ↗

• 05/17/2017

  STC SA01452CH

  Installation of an air ambulance conversion kit.

  Med-Pac Inc.

  Atlas STC → DRS ↗

• 08/04/2009

  STC ST01930LA

  Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI)

  Sandel Avionics LLC

  Atlas STC → DRS ↗

• 11/07/2003

  STC SA2622NM

  Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)

  Precise Flight Inc.

  Atlas STC → DRS ↗

• 07/15/1996

  STC ST00276WI

  Installation of Kedeg Company 21BC11e Coaleser Assemly.

  Keddeg Company

  Atlas STC → DRS ↗

• 05/20/1993

  STC SA2622NM

  Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101)

  Precise Flight Inc

  Atlas STC → DRS ↗

07 /  PMA replacement parts

FAA-approved replacement parts for MITSUBISHI MU-300

12 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.

• EGR-525-00#https://drs.faa.gov/browse/excelExternalWindow/EA8EA89B05A41BC4862585690051C709.0001##

  Air Medical System

  LifePort Inc replaces Modification Parts

  PMA holder →

• P/N AD2065, Drawing A-1075A, Rev. Original, dated 1/11/95, or Later FAA Approval#https://drs.faa.gov/browse/excelExternalWindow/4D583888FCA4384186257F62006208F4.0001##

  Battery

  Aero Design Inc/A HEICO Aerospace Company replaces Saft 4076 Series Battery

  PMA holder →

• 51A100#https://drs.faa.gov/browse/excelExternalWindow/467FC7855BF0E82486257359005A8ED9.0001##

  Aft Fuselage Fuel Tank Fill System Kit

  Sierra Industries, Ltd. replaces Modification Part

  PMA holder →

• 51A000 Series#https://drs.faa.gov/browse/excelExternalWindow/637B8D62AD458FBB862571B60063EBB3.0001##

  Extended Range Fuel System Kit

  Sierra Industries, Ltd. replaces Modification Part

  PMA holder →

• 51A100 Series#https://drs.faa.gov/browse/excelExternalWindow/9C476093F8340276862571B60063EC0A.0001##

  Aft Fuselage Fuel Tank Fill System Kit

  Sierra Industries, Ltd. replaces Modification Part

  PMA holder →

• 32-0177#https://drs.faa.gov/browse/excelExternalWindow/F4352D51657DA304862575280072C3F2.0001##

  Side Facing Toilet Seat Frame

  Aviation Fabricators Inc replaces Modification Part

  PMA holder →

• ABWA181-6#https://drs.faa.gov/browse/excelExternalWindow/9A7908A06A9DB0F48625740500672431.0001##

  Washer

  Aero Brake & Spares Inc replaces GWA181-6, Rev.C for use on ABS (Goodyear) Brake Assy P/N 5004190-2, and -5

  PMA holder →

• 200-001#https://drs.faa.gov/browse/excelExternalWindow/6FE09EE4FE4295B0862571E200535079.0001##

  Electrical Interface Wiring Harness

  Med-Pac Inc replaces Modification Part

  PMA holder →

• 300-011#https://drs.faa.gov/browse/excelExternalWindow/274FCD7D809BCDA9862571E200535017.0001##

  Mounting Brackets

  Med-Pac Inc replaces Modification Part

  PMA holder →

• 600-001#https://drs.faa.gov/browse/excelExternalWindow/F38A527540654931862571E200535049.0001##

  Stretcher

  Med-Pac Inc replaces Modification Part

  PMA holder →

• 400-002#https://drs.faa.gov/browse/excelExternalWindow/FA1B34383388AD9B862571E200534FE9.0001##

  Ambulance Unit

  Med-Pac Inc replaces Modification Part

  PMA holder →

• 400-001#https://drs.faa.gov/browse/excelExternalWindow/ECE4961B3732B65C862571E200534FB7.0001##

  Ambulance Unit

  Med-Pac Inc replaces Modification Part

  PMA holder →

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for MITSUBISHI MU-300

05 /  Aircraft of this type

All 17 registered N-numbers

Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.

05 /  Sources & Methodology

Every count traces back to a primary US-government source

• FAA Aircraft Registry →

  Refreshed Apr 27, 2026

  Available

• NTSB CAROL →

  Refreshed Apr 27, 2026

  Available

• Federal Register (FAA Airworthiness Directives) →

  Refreshed Apr 27, 2026

  Available

We render counts and lists as the agency publishes them. Read the methodology →