Diamond DA 40 NG — Airworthiness Directives & records checklist

310 Diamond DA 40 NGs are on the U.S. registry. Here’s what a records review covers for one — the Airworthiness Directives that apply, the known trouble spots, and the checklist a buyer or owner should hold every logbook against.

Registered
310
Applicable ADs
1
Recurring
0
Serial-conditional
8

Airworthiness Directives that apply to the Diamond DA 40 NG

  • one-time
    AD 2016-26808 — Airworthiness Directives; Diamond Aircraft Industries GmbH Airplanes · 2016-11-09

    We are adopting a new airworthiness directive (AD) for all Diamond Aircraft Industries GmbH Model DA 40 NG airplanes. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe c…

This is the applicability list. Which of these are complied with, their computed next-due dates, and the 8 serial/mod-conditional ADs that actually apply to your aircraft come from its digitized logbooks — that’s the verified report.

Known trouble spots on the DA 40 NG

Diesel engine gearbox & TBR (Thielert/Austro/CD)high

Diamond diesels (Thielert Centurion / Austro / Continental CD-135/155) run a reduction gearbox with a hard time-between-replacement plus a clutch, FADEC, and high-pressure fuel parts on strict intervals. Confirm gearbox/clutch replacement history, TBR remaining, and FADEC status — deferred diesel maintenance gets expensive fast.

The records checklist for a Diamond DA 40 NG

Airworthiness Directives
Every applicable AD matched to compliance evidence, with recurring next-due dates.
Annual / 100-hr inspections
A continuous, signed inspection history (14 CFR 91.409) with no gaps.
Service bulletins & letters
Mandatory and recommended SBs/SLs, complied or noted.
Life-limited parts
Airworthiness-limitations items tracked against their limits.
Form 337s / major alterations
Field approvals and STCs on file and reconciled.
Equipment inspections
ELT (91.207), transponder (91.413), altimeter/pitot-static (91.411).
Damage & accident history
NTSB and repair-major records for this exact tail.
Logbook continuity
Unbroken records — the gaps are where value and airworthiness hide.
Run a verified records report on your DA 40 NG

Enter a tail number and Tailplate reads its logbooks against this list — every AD matched to compliance evidence, next-due dates computed, damage history pulled, and a records-adjusted value.

Look up a tail number →or see the free AD list
Related Diamond models

Applicability is derived from the FAA directive corpus and the aircraft’s type certificate; it is advisory and not a legal airworthiness determination. Compliance is established only from an aircraft’s actual records.