Aircraft record

N400HHMitsubishi MU-300

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply

Registration: Valid; expires Jan 31, 2028
Based in: Oldwick, NJ; owner city / state
Engine: JT15D-4 · 2,500 lb thrust; P&W Canada
Owners: 1; since 2021
NTSB events: None; since 1982
ADs may apply: 5; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026

Registered owner: 400HH INC
Owner type: Corporation
City, state: Oldwick, NJ
Certificate issued: Jan 12, 2021
Expires: Jan 31, 2028
Airworthiness: Standard · Transport
Airworthiness date: Nov 29, 1982

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer: Mitsubishi
Model: MU-300
Serial number: A025 S.A.
Aircraft type: Fixed wing multi engine
Category: Land
Certification: Type Certificated
Seats: 11
Engines: 2
Max takeoff weight: 12,500 - 19,999 lb
Mode S code: A4AD58

Engine

Make and model: P&W Canada Jt15d-4
Type: Turbo-jet
Power: 2,500 lb thrust

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records

2021 – now400HH INCOldwick, NJ · current
until 1989Individual ownerdifferent airframe: Aerospatiale As 355 F Ecureuil S/N 5088

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (5)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

AD	Subject	Effective	Applies to
2009-07-02	Hawker Beechcraft Corporation Model MU-300-10 Airplanes and Model 400 and 400A Series…	Apr 30, 2009	Airframe (MU-300)Certain serial numbers: 400 RJ-1–RJ-65; 400A RK-1–RK-93; MU-300-10 A1001SA–A1011SA; MU-300 A003SA–A091SA
2006-21-02	Raytheon (Beech) Model 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi)…	Oct 25, 2006	Airframe (MU-300)
2002-01-23	Raytheon Model Beech 400, 400A, and 400T Series Airplanes; Model Beech MU-300-10…	Feb 14, 2002	Airframe (MU-300)Certain serial numbers: 400 RJ-1–RJ-65; 400A RK-1–on; 400T TT-1–TT-180; 400T-1 TX-1–TX-11; MU-300-10 A1001SA–A1011SA; MU-300 A003SA–A091SA
2001-24-11	Raytheon Model Beech 400, 400A, and 400T Series Airplanes, Model Mitsubishi MU-300…	Dec 11, 2001	Airframe (MU-300)
99-21-30	Raytheon Model Mitsubishi MU-300 Airplanes	Nov 30, 1999	Airframe (MU-300)

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

Sources

FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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