Diamond Aircraft DA 42 NG
N421BL is a Diamond Aircraft DA 42 NG, a fixed-wing airplane with more than one motor with a piston engine, built in 2020. It has 4 seats. It is registered to M4 Aviation LLC, an LLC in Kutztown, Pennsylvania. The registration is valid: it was issued on May 21, 2022 and expires on May 31, 2029. It holds a standard airworthiness certificate for normal, dated February 26, 2020.
Diamond Aircraft: eDA40 electric trainer, Austria
Aircraft
- Maker
- Diamond Aircraft (Austria)FAA spelling: DIAMOND AIRCRAFT IND GMBH
- Model
- DA 42 NG · all DA 42 NGs and related versions
- Serial number
- 42.N388
- Type
- Fixed-wing, multi-engine
- Power
- Piston (reciprocating), 2 motors · Austro E4-C · 168 hp
- Seats
- 4
- Year built
- 2020
- Transponder code
- A4FF7A (octal 51177572)
Registration
- Status
- Valid registration
- Certificate issued
- May 21, 2022
- Expires
- May 31, 2029
- Last FAA action
- July 25, 2025
- Airworthiness
- Standard · Normal · February 26, 2020
- FAA region
- Eastern
- FAA record id
- 01311393
Owner as the FAA publishes it
- Name
- M4 Aviation LLC
- Type
- LLC
- Address
- 64 Boy Scout Rd
Kutztown, PA 19530-9086
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 2
Records check free · 2 to understand · 3 clear
The public federal record on N421BL, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to M4 Aviation LLC, an LLC, certificate issued May 21, 2022, expires May 31, 2029. No fractional interest recorded. [1]
Standard certificate for normal, dated February 26, 2020, consistent with the 2020 manufacture year. [1]
No earlier tail number is recorded against serial 42.N388 for this model in the deregistered file. [2]
N421BL was previously assigned to 2 other aircraft: Thomas Wilbur D KR-200 (serial 1, cancelled August 8, 2012); Cessna 421C (serial 421C0605, cancelled February 9, 1999). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N421BL: Accident on March 5, 1995 at El Prado, NM: fatal, destroyed (4 fatal). Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Cessna 421C · operated under 091
THE PILOT'S DECISION TO CONTINUE FLIGHT INTO KNOWN ADVERSE WEATHER CONDITIONS AND THE ENSUING INADVERTENT STALL DUE TO AIRFRAME ICE. FACTORS WERE THE WEATHER CONDITIONS.
Search the NTSB's CAROL system for FTW95FA130 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this record on the FAA site · This record as data