N520WS1988 Beechcraft 400
Registration validUnclaimedSource: FAA, updated Oct 16, 2026
Safety record in brief:No NTSB accidents or incidents since 198210 ADs may apply
Registration
FAA Aircraft Registry · Oct 16, 2026- Registered owner
- Mmu Aviation LLC
- Owner type
- LLC
- City, state
- West Orange, NJ
- Certificate issued
- Jan 27, 2021
- Expires
- Jan 31, 2028
- Airworthiness
- Standard · Transport
- Airworthiness date
- Dec 13, 1988
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 dataAirframe
- Manufacturer
- Beechcraft
- Model
- 400
- Year
- 1988
- Serial number
- RJ-53
- Aircraft type
- Fixed wing multi engine
- Category
- Land
- Certification
- Type Certificated
- Seats
- 9
- Engines
- 2
- Max takeoff weight
- 12,500 - 19,999 lb
- Mode S code
- A68AF3
Engine
- Make and model
- P&W Canada Jt15d 5 Ser
- Type
- Turbo-fan
- Power
- 2,900 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 – nowMmu Aviation LLCWest Orange, NJ · current
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 16, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (10)
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 |
|---|---|---|---|
| 2014-21-06 | Flight Controls | Nov 28, 2014 | Airframe (400)Certain serial numbers: 400 RJ-1–RJ-65; 400A RK-1–RK-604; 400T TT-1–TT-180; 400T TX-1–TX-13; MU-300 A003SA–A093SA |
| 2014-15-15 | Stabilizers | Sep 5, 2014 | Airframe (400)Certain serial numbers: MU-300 A003SA–A093SA; 400 RJ-1–RJ-65; 400A RK-1–RK-604; 400T TT-1–TT-180; 400T TX-1–TX-13 |
| 2009-07-02 | Hawker Beechcraft Corporation Model MU-300-10 Airplanes and Model 400 and 400A Series… | Apr 30, 2009 | Airframe (400)Certain serial numbers: 400 RJ-1–RJ-65; 400A RK-1–RK-93; MU-300-10 A1001SA–A1011SA; MU-300 A003SA–A091SA |
| 2008-24-10 | Pratt & Whitney Canada Corp. JT15D-5; -5B; -5F; and -5R Turbofan Engines | Jan 2, 2009 | Engine (JT15D 5 SER)Certain serial numbers: JT15D-5 …–PCE-100411; JT15D-5 …–PCE-JA0818; JT15D-5R …–PCE-JG0104. Only with: Compressor air to HMU delivery tube P/N 3119150-01 installed; all JT15D-5B and -5F engines and all JT15D-5 engines converted to JT15D-5R per P&WC SB No. 7605 are included. |
| 2006-21-02 | Raytheon (Beech) Model 400, 400A, and 400T Series Airplanes; and Raytheon (Mitsubishi)… | Oct 25, 2006 | Airframe (400) |
Show all 10 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2006-15-16 | Raytheon (Beech) Model 400 and 400A Series Airplanes | Sep 5, 2006 | Airframe (400)Certain serial numbers: 400 RJ-1–RJ-65; 400A RK-1–RK-23. Only with: Kit P/N 128-3004-1 P or 128-3004-3 P (Lucas Aerospace/Goodrich DC Starter Generator) has been incorporated. |
| 2002-01-23 | Raytheon Model Beech 400, 400A, and 400T Series Airplanes; Model Beech MU-300-10… | Feb 14, 2002 | Airframe (400)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 (400) |
| 99-21-26 | Raytheon (Beech) Model 400, 400A, 400T, and MU-300-10 Airplanes | Nov 22, 1999 | Airframe (400)Certain serial numbers: 400A RK-1–RK-107 |
| 98-06-30 | Raytheon (Beech) Model 400, 400A, 400T, MU-300, and MU-300-10 Airplanes | Apr 24, 1998 | Airframe (400)Serial numbers per AlliedSignal Aerospace Service Bulletin 103570-21-4012, Revision 1. Only with: Equipped with AlliedSignal outflow/safety valves identified in AlliedSignal Aerospace Service Bulletin 103570-21-4012, Revision 1. |
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 16, 2026
- NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
- FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 16, 2026
- FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026