2018 Diamond DA42 VIMulti-Engine Piston Aircraft • Belmar, NJ, USA

This 2018 Diamond DA42-VI, registration N521QA (serial 42.N336), is a piston twin based at Belmar, New Jersey, offered for sale at 937,500 USD. The airframe shows just 605 hours total time with complete logbooks, and the aircraft has always been hangared. The listing notes no damage history (NDH) and states the annual inspection was completed in November 2025; the aircraft is described as airworthy, with all specifications subject to verification by the purchaser. The seller describes it as a turn-key twin suited to first-time twin transitions, flight training fleets, or personal cross-country travel.

Power comes from twin Austro AE300...

Year: 2018

Make: Diamond

Series: DA42 Twinstar

Model: DA42 VI

Tail #: N521QA

Serial #: 42.N336

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Specifications

Category: Multi-Engine Piston

Intended Use: Business, Training, Recreational, Passenger

Flight Rules: IFR

Seats: 4

Hours, Logs & Inspections

Total Time: 605 hrs

Engine 1 Time: 605 hrs (SNEW)

Engine 2 Time: 605 hrs (SNEW)

Prop 1 Time: 605 hrs (SNEW)

Prop 2 Time: 605 hrs (SNEW)

Logbook Status: Complete Logbooks, Complete Logs Yes

Inspection Status: Annual Completed November 2025. All specifications subject to verification by purchaser. Airworthy Yes

Avionics

PFD

Garmin G1000 NXi PFD - Dual (PFD), Technology

MFD

Garmin G1000 NXi MFD - (MFD), Technology

GPS

Garmin GIA 63 - Dual GIA WAAS COM/NAV/GPS/GS/LOC, WAAS GPS, LPV

Comms

Garmin GIA 63 - Dual GIA WAAS COM/NAV/GPS/GS/LOC

Audio

Garmin GMA 1347 - GMA Digital Audio Panel

Garmin GFC 700 - GFC Digital Autopilot, Yaw Damper, ESP (Electronic Stability Protection), Stick Limiter, Gear Warning Horn Muting System

Traffic

Avidyne TAS 605 - TAS Traffic Advisory System, Active Traffic Display

ADSB

Garmin GTX 345R - GTX Mode-S Transponder, ADS-B Out

ADS-B In

Garmin GTX 345R - GTX Mode-S Transponder, ADS-B Out

Weather

Garmin GDL 69A - GDL SiriusXM Weather

EMS

Garmin GEA 71 - GEA Electronic Engine Monitoring, Engine Monitoring System

Additional Equipment

TKS Known Ice Protection System (FIKI)

Installed

Synthetic Vision Technology

Garmin SVT - Synthetic Vision Technology

Oxygen System

Lightning Protection System

Installed

FADEC Engine Management

Full Authority Digital Engine Control (FADEC), Single-Lever Power Control

Heated Pitot Tube

Installed

LED Position & Strobe Lights

Installed

LED Landing & Taxi Lights

Installed

Retractable Landing Gear

Installed

AMSAFE Inflatable Restraints

Installed

406 MHz ELT

Installed

Chrome Spinner

Installed

Black Air Intake Rings

Installed

28V Power Supply Socket

Installed

Overhead Cabin Light

Installed

Sun Glare Shields

Installed

Flight Into Known Icing (FIKI)

TKS Known Ice Protection System (FIKI), Inadvertent Ice Protection

Air Conditioning

A/C

Lightning Protection

Lightning Protection System

Dual Engine Monitoring

Garmin GEA 71 - GEA Electronic Engine Monitoring

Interior & Exterior

Interior Year: 2018

Paint Year: 2018

Interior Notes: Premium Leather Interior, Four Individual Seats, Ergonomic Seats & Backrests, Electrically Adjustable Rudder Pedals, Composite Energy-Absorbing Safety Seats, 3-Point Safety Belts, AMSAFE Inflatable Restraints — Front Seats, Large Cabin Doors, Large Baggage Compartment, Bubble Canopy, Integrated Sun Protection, Sun Glare Shields, Canopy Lining, Cabin Lighting, Overhead Cabin Light, 28V Power Supply Socket

Exterior Notes: Composite Airframe, High-Gloss Multi-Layer Paint, Metallic Paint Scheme, Variety of Exterior Striping Options, Chrome Spinner, Black Air Intake Rings, Entry Steps & Entry Grips, LED Position & Strobe Lights, LED Landing & Taxi Lights, Heated Pitot Tube, Retractable Landing Gear, 3-Point Safety Belts, AMSAFE Inflatable Restraints — Front Seats, 406 MHz ELT