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
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Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Diamond Aircraft (Austria)FAA spelling: DIAMOND AIRCRAFT IND GMBH
- Model
- DA 42 NG · all DA 42 NGs and related versions
- Built of
- compositeThe airframe is composite: carbon fibre or glass fibre set in resin, moulded in large pieces with few joints, which gives smooth shapes but needs different inspection and repair methods from metal. This is how the Diamond Aircraft DA 42 Twin Star family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 42.N388
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- Piston (reciprocating)FAA type of engine code 1 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors · Austro E4-C · 168 hp
- Seats
- 4
- Year built
- 2020
- Transponder code
- A4FF7A (octal 51177572)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- May 21, 2022
- Expires
- May 31, 2029
- Last FAA action
- July 25, 2025
- Airworthiness
- StandardFAA airworthiness class code 1 (the kind of airworthiness certificate it flies under and what it is approved for). Every aircraft with this code · All codes · NormalFAA certificate purpose code N (the kind of airworthiness certificate it flies under and what it is approved for). All codes · February 26, 2020
- FAA region
- EasternFAA region code 1 (the FAA regional office that handles the record). All codes
- FAA record id
- 01311393
Owner as the FAA publishes it
- Name
- M4 Aviation LLC
- Type
- LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- 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
Connections how N421BL links to the rest of the register
- Diamond Aircraft DA 42 Twin Star 266 registered
- Diamond Aircraft 1,876 aircraft on the register
- Built of composite · as the model family is built; the register does not record it per aircraft
- Austro Engine E4-C 31 aircraft with this engine series · 168 hp
- M4 Aviation LLC 1 aircraft registered to this organisation
- Kutztown, PA 4 aircraft registered in this town
- Pennsylvania 6,182 aircraft registered
- FAA orders naming the Diamond Aircraft DA 42 Twin Star 27 airworthiness directives
- Failure reports filed on the Diamond Aircraft DA 42 Twin Star 313 reports since 1995
- Approved modifications for the Diamond Aircraft DA 42 Twin Star 39 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/aircraft/N421BL.json.
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.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 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 23, 2026. See this record on the FAA site · This record as data