View source for Diamond DA40 Diamond Star

{{Aircraft infobox
| name = Diamond DA40 Diamond Star
| image = Diamond DA40 (8736184864).jpg
| caption = Diamond DA40 Diamond Star. Photo: bomberpilot, CC BY-SA 2.0, via [[commons:File:Diamond DA40 (8736184864).jpg|Wikimedia Commons]]
| make = Diamond
| type = Light aircraft
| first_flight = 5 November 1997
| produced = 1997–present
| status = In production
| number_built = 2,200 (December 2020)
| faa_registered = 1,015 (FAA register, October 30, 2026)
| seats = one, three passengers
| engine = Lycoming IO-360-M1A, 134 kW
| cruise = 279 km/h (2007 model Diamond DA40 XL Diamond Star)
| developed_from = Diamond DA20
| category = Piston singles
}}

The '''Diamond DA40 Diamond Star''' is a four-seat, single-engine light airplane built from composite materials by Diamond Aircraft Industries in Austria and Canada. It was developed as a four-seat version of the two-seat DA20. By the end of December 2020, 2,200 DA40s had been delivered, including 500 diesel NG models.<ref name="wp"/> In the U.S. there are 1,015 with a valid registration.<ref name="faa"/>

== History ==
The Rotax 914-powered prototype DA40-V1 (OE-VPC) first flew on November 5, 1997, followed by prototypes with a Continental IO-240 and, in 1998, a Lycoming IO-360. The first production airplane came in 2000, and the IO-360 version was certified in October 2000.<ref name="wp"/>

It is a low-wing composite airplane with fixed tricycle gear and a T-tail. Officially there are only three versions, the DA 40, DA 40 D and DA 40 F; names like DA40-180, XL, CS and XLS are marketing names. The DA 40 D is the diesel version with a Thielert engine, sold mainly in Europe as the DA40 TDI.<ref name="wp"/>

== Safety record ==
The DA40 has a very low accident rate, especially for stalls and spins: its overall and fatal accident rates are one-eighth those of the general aviation fleet, with no stall-related accidents. This is credited to its long, efficient wing, low wing loading and gentle handling. Trimmed fully nose up with the engine at idle, it descends hands-off at 48 knots and 600 to 1,200 feet per minute.<ref name="wp"/>

== Registered in the United States ==
The FAA register lists '''1,015''' of these airplanes with a valid U.S. registration. Here they are by the model name the FAA uses.<ref name="faa"/>
<div class="aw-wide">
{| class="wikitable sortable"
! FAA model name !! Registered
|-
| DA 40 || 687
|-
| DA 40 NG || 314
|-
| DA40 F || 13
|-
| DA 40-180 DIAMOND ST || 1
|}
</div>

== Specifications (2007 model Diamond DA40 XL Diamond Star) ==
<div class="aw-wide">
{| class="wikitable"
! Item !! 2007 model Diamond DA40 XL Diamond Star
|-
| Crew || one
|-
| Passengers / capacity || three passengers
|-
| Length || 8.1 m
|-
| Wingspan || 11.9 m
|-
| Height || 1.98 m
|-
| Engine || Lycoming IO-360-M1A, 134 kW (4-cylinder air-cooled horizontally-opposed piston engine)
|-
| Cruise speed || 279 km/h
|-
| Stall speed || 91 km/h
|-
| Range || 1,341 km
|}
</div>
Figures as given in the Wikipedia article and its sources.<ref name="wp"/>

{{Owner notes}}

== Photos ==
<gallery mode="packed" heights="170">
File:Diamond.da40-tdi.diamondstar.g-jkmf.arp.jpg|Diamond DA40-TDI Diamond Star (UK registration G-JKMF) at Kemble Airfield, Gloucestershire, England. Photo: Adrian Pingstone (User:Arpingstone), Public domain
File:DiamondDA40FPN218DS.jpg|Photo of a Diamond DA40 Diamond Star (N218DS). Photo: Ahunt at English Wikipedia, Public domain
File:DiamondDA40StarC-GSPBinstrumentpanel.jpg|Diamond DA40 Diamond Star. Photo: Ahunt at English Wikipedia, Public domain
File:G-1000 Diamond DA-40 TAC VH-YNH.jpg|G-1000 equipped Diamond DA-40 "VH-YNH" at The Aeroplane Company (Jandakot) in Western Australia. Photo: Aerobrick, Public domain
File:Diamond T-52A.jpg|Diamond DA40 Diamond Star. Photo: Mike Kaplan, Public domain
File:N681BA RIAT Bthebest.JPG|Diamond DA40 Diamond Star of the United States Air Force Academy at RIAT 2010. Photo: Bthebest, CC BY-SA 3.0
File:DA40XLS.jpg|Diamond Star DA40 XLS preparing for taxi to runway. Photo: Oryst, CC BY-SA 3.0
File:Diamond DA-40NG.jpg|Diamond DA40 Diamond Star. Photo: K.M.ABU BAKAR SIDDIQUE, CC BY 4.0
</gallery>
All photos are from [[commons:Main Page|Wikimedia Commons]]; click a photo for its full credit and license.

== Buying a Diamond DA40 Diamond Star ==
{{For sale soon}}

== Sources ==
<references>
<ref name="wp">Wikipedia, "[https://en.wikipedia.org/wiki/Diamond_DA40_Diamond_Star Diamond DA40 Diamond Star]", read November 1, 2026. Airplane Wiki's text is written in its own words; facts are checked against this article and its sources.</ref>
<ref name="faa">Federal Aviation Administration, [https://www.faa.gov/licenses_certificates/aircraft_certification/aircraft_registry/releasable_aircraft_download Releasable Aircraft Database], file dated October 30, 2026. Valid registrations of fixed-wing airplanes whose FAA maker and model names belong to this family. Airplane Wiki uses only counts from this file, never owner names or addresses.</ref>
</references>