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N51AU

Open the Markdown

2009 Diamond Aircraft Ind DA42MNG · Austro E4 series

Open in FAA registry

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Registered owner
Aurora Flight Sciences
Location
Manassas, VA
Owner type
Corporation
Serial number
42.MN004
Year built
2009
Type
Fixed wing multi engine
Engine
Reciprocating
Airworthiness
Experimental, research and development, crew training, market survey
Airworthiness date
July 15, 2025
Certificate issued
May 5, 2010
Expires
April 30, 2027
Mode S code
A65F29
Diamond Aircraft Ind DA42MNGAirframe model · 4 seats · 2 engines · 3 registeredTCDS A57CEAirframe · Diamond Aircraft Ind DA42MNGTCDS E00081ENEngine · Austro E4 series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Austro E4 model are included below.

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Airworthiness directives that may apply · 25

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

2010In forceSuperseded2026
See all 34 ADs

Information bulletins that may apply

Advisory, not mandatory.

No bulletins matched this aircraft’s models

NTSB investigations

No NTSB investigations matched to N51AUMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Diamond Aircraft Ind DA42MNG aircraft

FAA incident reports

No FAA accident or incident reports matched to N51AUMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Diamond Aircraft Ind DA42MNG aircraft

Service difficulty reports · 2

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR 2013FA0000304Fuel Filter · leakingAIRCRAFT FUEL PUMP FILTER HOUSING ASSY LEAKING. FOUND THE FILTER ASSY TO BE LEAKING, MANY OF WHICH WERE BRAND NEW UNITS. IF IGNORED, EVENTUALLY THERE WILL BE AN IN-FLIGHT FIRE AS A RESULT OF THE FILTER ASSY.Apr 24, 2013 · N51AU · Diamon DA42 · Engine Fuel DistributionSDR 2013FA0000271Fuel Filter · leakingACFT LOW PRESSURE FUEL PUMP ASSY LEAKED. THE ASSY IS BRAND NEW OUT OF THE BOX AND HAS A SLOW DRIP OF ABOUT 1 DRIP EVERY 5 TO 10 MIN. THE DRIP APPEARS TO BE LEAKING FROM THE FILTER ASSY ATTACHED TO THE BOTTOM OF THE PUMP. A NEW FILTER ATTACHED TO THE BOTTOApr 24, 2013 · N51AU · Diamon DA42 · Fuel Boost Pump

STCs that may be installed · 21

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 21 STCs