# N446L: 2023 Diamond Aircraft Ind DA 40 NG

- Status: Valid registration
- Airframe: [Diamond Aircraft Ind DA 40 NG](https://openairdocs.org/model/diamond-aircraft-ind-da-40-ng) (registry code 2990014, 5 seats)
- Engine: [Austro E4-A](https://openairdocs.org/engine/austro-e4-a) (registry code 06402)
- Data sheets: [TCDS A47CE](https://openairdocs.org/tcds/A47CE) (Diamond Aircraft Industries Inc.) (OpenAirDocs)
- Serial number: 40.NC223
- Year built: 2023
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 15, 2023
- Certificate issued: February 27, 2024
- Expires: February 28, 2031
- Mode S code: A561E1
- Registered owner: [Lift Aircraft LLC](https://openairdocs.org/faa-owner/LIFT%20AIRCRAFT%20LLC)
- Location: [Carmel, IN](https://openairdocs.org/faa-place/IN/Carmel)
- Owner type: LLC
- Owner's area on the map: 39.9666° N, 86.1751° W: Placed by OpenAirDocs at the center of ZIP code 46032, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=446L
- Page: https://openairdocs.org/aircraft/N446L

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 6 in force

### Matched by airframe (Diamond Aircraft Ind DA 40 NG)

- [AD 2026-06-03](https://openairdocs.org/ad/2026-06-03): Hoses and tubes · Diamond Aircraft Industries DA 40, DA 40 NG and DA 40F. Effective Apr 30, 2026
- [AD 2022-13-06](https://openairdocs.org/ad/2022-13-06): Cargo Compartments · Diamond Aircraft Industries DA 40, DA 40F and DA 40 NG. Effective Aug 11, 2022
- [AD 2022-03-15](https://openairdocs.org/ad/2022-03-15): Fuel Quantity Indicator · Garmin G3X Touch Electronic Flight Instrument System (STC SA01899WI or SA02658SE). Effective Mar 21, 2022
- [AD 2016-23-03](https://openairdocs.org/ad/2016-23-03): Turbocharging · Diamond Aircraft Industries DA 40 NG. Effective Nov 29, 2016
- [AD 2016-22-06](https://openairdocs.org/ad/2016-22-06): Autopilot · Diamond Aircraft Industries DA 40 NG, DA 42 NG and DA 42 M-NG. Effective Nov 16, 2016
- [AD 2013-08-21](https://openairdocs.org/ad/2013-08-21): Turbocharging · Diamond Aircraft Industries DA 40 NG. Effective May 21, 2013

### Matched by engine (Austro E4-A)

None in force.

### Historical (superseded or no longer in force)

- [AD 2020-14-06](https://openairdocs.org/ad/2020-14-06) (historical): Fuel System · Diamond Aircraft Industries DA 40, DA 40 NG and DA 40F. Effective Aug 4, 2020

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N446L.

## FAA accident and incident reports

None matched to N446L.

## Service difficulty reports (5)

As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR QEMY2026102100882](https://openairdocs.org/sdr/QEMY2026102100882), Oct 21, 2026: SEAL. CRACKED. THE SEAL-INTERSTAGE HPT ROTOR HAS CRACKS IN 4 LOCATIONS ON THE BAYONET TABS. THE CONDITION IS NOT SERVICEABLE OR REPAIRABLE. TO BE REPORTED I AW AMC-20 8A (J) A
- [SDR QEMY20260820001](https://openairdocs.org/sdr/QEMY20260820001), Aug 20, 2026: TURBINE WHEEL. FAILED INSP. THE SUBJECT DISK HPT STAGE 1 FAILED NDT ULTRASONIC INSPECTION ON SURFACE SM AT POST NUMBER 54 (AS PER SP007), BETWEEN SLOT NUMBERS 16 & 17, DR 02338861 IS UNDER
- [SDR QEMY20251120001](https://openairdocs.org/sdr/QEMY20251120001), Nov 20, 2025: SEAL. FAILED. SEAL-ROTATING AIR HPT FRONT (FOS) THE SUBJECT FOS HAS FAILED FPI FOR CRACKS ON DIM E SEAL TEETH. FPI INDICATION "1 OFF CRACK 0.06" IN LENGTH GOING OVER INNER SE
- [SDR 2025FA0000230](https://openairdocs.org/sdr/2025FA0000230), Apr 2, 2025: SEAL. WORN. DURING INCOMING INSPECTION AT GE WALES, A DEFECT ON THE SEAL-INTERSTAGE HPT ROTOR (HPTR) HAS BEEN NOTED. THE HPTR INTERSTAGE SEAL EXHIBITS 1 AREA OF WEAR (CONSI
- [SDR QEMY2025040200229](https://openairdocs.org/sdr/QEMY2025040200229), Apr 2, 2025: CASE. CRACKED. DURING INCOMING INSPECTION AT GE WALES, A DEFECT ON THE HIGH PRESSURE TURBINE (HPT) CASE HAS BEEN NOTED. CRACKS HAVE BEEN OBSERVED ON THE HPT CASE DURING SB 72-

## Service difficulty reports on N446L not matched to an aircraft (13)

They name N446L, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR QEMY20261022001](https://openairdocs.org/sdr/QEMY20261022001), Oct 22, 2026: SEAL. CRACKED. SEAL-INTERSTAGE HPT ROTOR HAS CRACKS IN 4 LOCATIONS ON THE BAYONET TABS. THE CONDITION IS NOT SERVICEABLE OR REPAIRABLE. TO BE REPORTED IAW AMC-20-8A (J) ANY DE
- [SDR QEMY20260923001](https://openairdocs.org/sdr/QEMY20260923001), Sep 23, 2026: TURBINE WHEEL. SHEARED. THE SUBJECT DISK-HPT STG 1, HAS SHEARED INTERSTAGE ID BAYONET TABS WHICH WERE IDENTIFIED AT LOCATIONS 8,9,10 &11 PRIOR TO DISASSEMBLY. THE CONDITION IDENTIFIED 
- [SDR QEMY20260911002](https://openairdocs.org/sdr/QEMY20260911002), Sep 11, 2026: DISK. INDICATION.  THE CONDITION IDENTIFIED HAS BEEN EVALUATED AND A RECOMMENDATION TO RETURN TO SERVICE CANNOT BE PROVIDED. TO BE REPORTED I.A.W AMC-20 8A (J) ANY DEFECT IN A LI
- [SDR QEMY20260911001](https://openairdocs.org/sdr/QEMY20260911001), Sep 11, 2026: SEAL. CRACKED. THE SUBJECT SEAL-ROTATING CDP HPT DISPLAYS CRACKING TO ALL SEAL TEETH 360’. THE CONDITION IDENTIFIED HAS BEEN EVALUATED AND A RECOMMENDATION TO RETURN TO SERVIC
- [SDR QEMY20260421001](https://openairdocs.org/sdr/QEMY20260421001), Apr 21, 2026: TURBINE WHEEL. DENTED. DISK-HPT STG 1 DISPLAYS 111 SEPARATE INDENTATION TO SURFACE DT ON THE AFT SHAFT SPLINE AREAS. DR #02396459 STATES: THE CONDITION IDENTIFIED DEPARTS FROM THE INS
- [SDR QEMY20260224001](https://openairdocs.org/sdr/QEMY20260224001), Feb 24, 2026: CASE. CRACKED. HPT STATOR CASE, THE SUBJECT HPT STATOR CASE HAS A CRACK FOUND TO THE BORESCOPE BOSS MEASURING APPROX. 0.600” IN LENGTH, REF SUBTASK 72-51-01-220-068. DR 022998
- [SDR QEMY20250903001](https://openairdocs.org/sdr/QEMY20250903001), Sep 3, 2025: SEAL. DENTED. DURING INCOMING INSPECTION AT GE WALES, DEFECTS ON THE INTERSTAGE SEAL HAVE BEEN NOTED. THE INTERSTAGE SEAL HAS 6 DENTS TO 5 CROSSOVER PAD HOLE EDGES. DR # 0221
- [SDR QEMY20250528001](https://openairdocs.org/sdr/QEMY20250528001), May 28, 2025: TURBINE. WORN. DURING INCOMING INSPECTION AT GE WALES, A DEFECT ON THE SEAL-ROATING AFT HPT HAS BEEN NOTED. THE HPT AFT ROTATING SEAL EXHIBITS WEAR TO THE SUMP SEAL TEETH X2 A
- [SDR QEMY20240905001](https://openairdocs.org/sdr/QEMY20240905001), Aug 29, 2024: HP TURBINE. DAMAGED. INCOMING CONDITION HIGHLIGHTED IN THE INSPECTION PROCESS. THERE IS LOCALISED PITTING ON AREA UC3 BETWEEN DOVETAIL POST 26 AND 27. THE PITTING ENCROACHES PAST TH
- [SDR QEMY20240829001](https://openairdocs.org/sdr/QEMY20240829001), Aug 15, 2024: TURBINE WHEEL. FAILED INSP. THE HPT STAGE 1 DISK HAS BEEN REMOVED FROM SERVICE EARLY DUE FAILED ULTRASONIC INSPECTION FOR SIGNAL NOISE RATIO IAW SP008. DR #02018991 WAS REJECTED BY OEM. TO
- [SDR QEMY20240621001](https://openairdocs.org/sdr/QEMY20240621001), Jun 21, 2024: CONNECTOR. WRONG PART. THROUGH THE IDG HARNESS REPAIR/ASSEMBLY PROCESS AT GE WALES, A TECHNICIAN HAS HIGHLIGHTED A POTENTIAL ISSUE WITH AN IDG HARNESS CONNECTOR. THE CONNECTOR HAS BEE
- [SDR QEMY20240617001](https://openairdocs.org/sdr/QEMY20240617001), May 24, 2024: SEAL. DEFORMED. INCOMING CONDITION HIGHLIGHTED IN THE INSPECTIONPROCESS. THE FORWARD MIDDLE RABBET EXHIBITS A DENT WITH BULGING ONTO SURFACE SM AND THEREIS FRETTING TO SURFACE 
- [SDR QEMY20240524001](https://openairdocs.org/sdr/QEMY20240524001), Mar 19, 2024: SEAL. NICKED. ON INCOMING INSPECTION, A NICK/SCRATCH HAS BEEN FOUND ON 1 OFF AIR HOLE AFT CHAMFER, MEASURING: CIRCUMFERENTIAL 0.018 RADIAL 0.005 AXIAL (DEPTH) 0.0009. IT WAS 

## STCs that may be installed (OpenAirDocs) (19)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Diamond Aircraft Ind DA 40 NG)

- [STC SA02571SE](https://openairdocs.org/stc/SA02571SE): Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc
- [STC SA02279AT](https://openairdocs.org/stc/SA02279AT): Installation of a Boom Beam bulb, starter, and ballast. Whelen Aerospace Technologies
- [STC SA04837NY](https://openairdocs.org/stc/SA04837NY): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights. AeroLED's Holdings, LLC
- [STC SA01134DE](https://openairdocs.org/stc/SA01134DE): Installation of EarthX ETX680-24-TSO Lithium Battery. EarthX Inc
- [STC SA04046CH PAGE 1](https://openairdocs.org/stc/SA04046CH%20PAGE%201): Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500). Acron Aviation Inc
- [STC SA02658SE](https://openairdocs.org/stc/SA02658SE): Installation of Garmin GI 275 Multi-Function Display System. Garmin International Inc
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA02444AK](https://openairdocs.org/stc/SA02444AK): Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed. ADS-B Technologies LLC
- [STC SA04549CH](https://openairdocs.org/stc/SA04549CH): Installation of Hartzell Propeller model 3Al-QP460A1/7SA01-2 in accordance withHartzell STC Installation Instructions INST-030821 (Initial Revision) dated12/16/2021 orlater FAA-approved revisions. Airplane Flight Manual Supplement AFMS-030821 (Initial Revision) dated 12/16/2021 or later FAA-approved revision isrequired. Instructions for Continued Airworthiness ICA-030821 (Initial Revision) dated 12/16/2021 or later FAA-accepted revision are applicable. Hartzell Propeller Inc
- [STC SA03366NY](https://openairdocs.org/stc/SA03366NY): Installation of RF-006(A) main wheel well and RA-002(A) nose wheel well with EA-003.4N(B) brake system. Beringer Aero
- [STC SA00401BO](https://openairdocs.org/stc/SA00401BO): Installation of a SkyTrax100B UAT receiver. Avidyne Corporation
- [STC SA00410BO](https://openairdocs.org/stc/SA00410BO): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation
- [STC SA01714WI](https://openairdocs.org/stc/SA01714WI): Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems. Garmin International Inc
- [STC SA04112CH](https://openairdocs.org/stc/SA04112CH): Installation of Appareo Systems, LLC Stratus ESG ADS-B transponder. Appareo Systems LLC
- [STC SA11172SC](https://openairdocs.org/stc/SA11172SC): Installation of an ADS600-B Automatic Dependent Surveillance-Broadcast (ADS-B) Universal Access Transceiver (UAT) and Global Positioning System (GPS) antenna. NavWorx Inc
- [STC SA01969SE](https://openairdocs.org/stc/SA01969SE): Installation of a Mid-Continent MD302 Standby Attitude Module. Mid-Continent Instruments and Avionics
- [STC SA02442AK PAGE 1](https://openairdocs.org/stc/SA02442AK%20PAGE%201): Approval of the L-3 Communications NGT 2000/2500 ADS-B system. ADS-B Technologies, LLC
- [STC ST04549CH](https://openairdocs.org/stc/ST04549CH) (historical): Installation of Hartzell Propeller model 3Al-QP460A1/7SA01-2 in accordance withHartzell STC Installation Instructions INST-030821 (Initial Revision) dated12/16/2021 orlater FAA-approved revisions. Airplane Flight Manual Supplement AFMS-030821 (Initial Revision) dated 12/16/2021 or later FAA-approved revision isrequired. Instructions for Continued Airworthiness ICA-030821 (Initial Revision) dated 12/16/2021 or later FAA-accepted revision are applicable. Hartzell Propeller Inc
- [STC SA001410BO](https://openairdocs.org/stc/SA001410BO) (historical): Installation of an AV-30-C Multi-Mode Indicator. uAvionix Corporation

## Earlier aircraft with N446L

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N446L before.

- [Cancelled 2011-01-19](https://openairdocs.org/deregistered/N446L-2011-01-19): Robinson Helicopter R44, S/N 0511. Exported to Russia. Owner: [Plane Fun Inc Trustee](https://openairdocs.org/faa-owner/PLANE%20FUN%20INC%20TRUSTEE), [Snellville, GA](https://openairdocs.org/faa-place/GA/Snellville)

## Related

- Other Diamond Aircraft Ind DA 40 NG aircraft: https://openairdocs.org/model/diamond-aircraft-ind-da-40-ng/aircraft.md
- The Austro E4-A engine: https://openairdocs.org/engine/austro-e4-a.md

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