Models / Diamond / DA 40 NG / N44HH Aircraft record N44HH 2017 Diamond DA 40 NG Registration valid Unclaimed Source: FAA, updated Oct 17, 2026Safety record in brief: 1 NTSB accident (substantial damage, Jun 2023) · 15 ADs may apply
Registration Valid expires Aug 31, 2027 NTSB events 1 substantial, 2023 ADs may apply 15 confirm with A&P Service reports 0 since 1995
Registration FAA Aircraft Registry · Oct 17, 2026
Registered owner N44HH LLC
Owner type LLC
City, state Tuckahoe, NY
Certificate issued Aug 3, 2020
Expires Aug 31, 2027
Airworthiness Standard · Normal
Airworthiness date Jul 31, 2017 We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.
Airframe & engine FAA Registry + type data Airframe
Manufacturer Diamond
Model DA 40 NG
Year 2017
Serial number 40.NC001
Aircraft type Fixed wing single engine
Category Land
Certification Type Certificated
Seats 5
Engines 1
Max takeoff weight Up to 12,499 lb
Mode S code A548FB Engine
Make and model Austro E4 Series
Type Reciprocating
Power 168 hp Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history Ownership history from FAA records 2020 – now N44HH LLC Tuckahoe, NY · current 1990 – 1993 Individual owner Brooklyn, NY · different airframe: Piper Pa-23 S/N 23458 1977 Intercontinental Oil Co INC Houston, TX · different airframe: Dee Howard Company 500 S/N 500-115 Individual owners are shown by city and state only.
Safety record NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026 ADs published since 1998 that may apply (15) These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.
AD Subject Effective Applies to 2026-06-03 Hoses and tubes Apr 30, 2026 Airframe (DA 40 NG) 2025-02-12 Reciprocating Engine Cylinder Section; 8550, Reciprocating Engine Oil System Apr 1, 2025 Engine (E4 SERIES)Serial numbers per Tables 1, 2, 3, and 4 of Austro Engine GmbH Mandatory Service Bulletin No. MSB-E4-039/3, Revision 3, dated November 22, 2023 2024-19-10 Engine (Reciprocating) Oct 9, 2024 Engine (E4 SERIES)Only with: Installed piston having part number E4A-72-400-000. 2024-05-01 Austro Engine GmbH Engines Mar 11, 2024 Engine (E4 SERIES)Serial numbers per Austro Engine Mandatory Service Bulletin No. MSB-E4-042, Revision 0, Tables 1 and 2. Only with: Engine serial number or engine core serial number specified in Table 1 or Table 2 of MSB-E4-042. 2022-13-06 Cargo Compartments Aug 11, 2022 Airframe (DA 40 NG)Only with: Includes Model DA 40 D airplanes that have been converted to Model DA 40 NG airplanes.
Show all 15 ADs Show fewer ADs AD Subject Effective Applies to 2022-03-03 Reciprocating Engine Power Section Feb 14, 2022 Engine (E4 SERIES)Serial numbers per Austro Engine Mandatory Service Bulletin No. MSB-E4-036/1, Revision No. 1, Chapter 1.4, Table 1. Only with: Equipped with cylinder head P/N E4A-12-500-000 combined with HPP driving gear P/N E4A-30-000-601, P/N E4A-30-000-201 rev. AB.1, or P/N E4A-30-000-201 with listed S/N; or with HPP driving gear P/N E4A-30-000-201 with an S/N listed in MSB-E4-036/1. 2021-24-10 Reciprocating Engine Oil System Dec 27, 2021 Engine (E4 SERIES) 2021-17-01 Reciprocating Engine Oil System Aug 23, 2021 Engine (E4 SERIES) 2020-22-14 Reciprocating Engine Supercharger Dec 10, 2020 Engine (E4 SERIES) 2020-14-07 Fuel Control/ Reciprocating Engines and Code 8520, Reciprocating Engine Power Section Aug 25, 2020 Engine (E4 SERIES) 2016-23-03 Turbocharging Nov 29, 2016 Airframe (DA 40 NG) 2016-22-06 Autopilot Nov 16, 2016 Airframe (DA 40 NG)Certain serial numbers: DA 40 NG 40.N260–40.N314; DA 42 NG 42.N150–42.N223; DA 42 M-NG 42.MN035–42.MN052 2014-08-10 Austro Engine GmbH Engines Jun 3, 2014 Engine (E4 SERIES)Only with: Waste gate controller P/N E4A-41-120-000 Revision 060 or lower, or P/N E4B-41-120-000 Revision 010 or lower, installed. 2013-08-21 Turbocharging May 21, 2013 Airframe (DA 40 NG)Certain serial numbers: DA 40 NG 40.N001–40.N084. Only with: Also applies to all serial numbers of Model DA 40 NG airplanes converted from Model DA 40 D. 2011-18-19 Austro Engine GmbH Model E4 Diesel Piston Engines Oct 6, 2011 Engine (E4 SERIES)Only with: High-pressure (HP) fuel pump P/N E4A-30-100-000 installed.
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (0) No Service Difficulty Reports found for this airframe since 1995.
Sources FAA Aircraft Registry Registration, owner city and state, airframe, engine updated Oct 17, 2026 NTSB accident and incident database Accidents and incidents since 1982 updated Oct 15, 2026 FAA Airworthiness Directives (Federal Register) ADs published since 1998 updated Oct 17, 2026 FAA Service Difficulty Reports Reports since 1995 updated Oct 16, 2026 Request owner name removal Report an error in this record