- Registered owner
- Diamond Aircraft Sales U S A Inc
- Location
- London Ontario, CA
- Owner type
- Non-citizen corporation
- Serial number
- 42.N626
- Type
- Fixed wing multi engine
- Engine
- Reciprocating
- Certificate issued
- October 20, 2026
- Expires
- October 31, 2033
- Mode S code
- A32EA2
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 14
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 2011 | 1 |
|---|---|
| 2012 | 1 |
| 2013 | 3 |
| 2014 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 3 |
| 2024 | 1 |
| 2026 | 2 |
Airframe · Diamond Aircraft Ind DA 42 NG
AD 2026-14-08Landing Gear ActuatorAD 2025-24-07Passenger/Crew DoorsAD 2024-06-13Flight Control SystemInformation bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N304ERMatched 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 DA 42 NG aircraft
FAA incident reports
No FAA accident or incident reports matched to N304ERMatched 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 DA 42 NG aircraft
Service difficulty reports · 6
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
SDR N3XR20240903003Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043, THE #4 PISTON IN THE RIGHT ENGINE WAS FOUND CRACKED.SDR N3XR20240903002Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043, THE #4 PISTON IN THE RIGHT ENGINE WAS FOUND CRACKED.SDR N3XR202409030001Piston · crackedDURING THE BORESCOPE INSPECTION REQUIRED BY DIAMOND MSB-E4-043/0 THE #3 PISTON WAS FOUND CRACKED.SDR N3XR202401160001Piston · crackedON TAKE-OFF, THE CREW NOTICED A LOW OIL PRESSURE INDICATION VIA A WARNING ON THE G1000 FOR THE RIGHT ENGINE. AN EMERGENCY WAS DECLARED AND THE CREW LANDED SUCCESSFULLY. AN INSPECTION OF THE RIGHT ENGINE REVEALED OIL COVERING THE RIGHT WING ON BOTH SIDES OF THESDR N3XR202106030001Belt · separatedDURING THE LANDING APPROACH, THE SERPENTINE BELT (P/N-E4A-00-740-000) ON THE REAR OF THE INSTALLATION FAILED. THE FLIGHT CREW NOTICED THE ALTERNATOR WAS INOP AND THE COOLANT TEMPERATURE RISING RAPIDLY. A PRECAUTIONARY LANDING WAS MADE.SDR N3XR20200827002Gearbox · making metalDURING A ROUTINE INSPECTION, SEVERAL LARGE PARTICLES WERE FOUND ON THE GEARBOX MAGNETIC DRAIN PLUG. THE GEARBOX WAS REPLACED WITH A NEW UNIT.
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.
Airframe · Diamond Aircraft Ind DA 42 NG
STC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsSTC SA04046CH PAGE 1Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500)STC SA02444AKApproval of the L-3 Communications NGT 9000/9000R ADS-B system installed