The Diamond 40 (ICAO type DA40) is an aircraft of Austria origin, certificated in the Normal category. It has a maximum take-off weight of 2,400 kg. It offers a maximum range of 590 nm, a cruise speed of 127 knots, a service ceiling of 16,000 ft and seating for up to 8 across its variants.

Diamond 40

DA40

Photo via Wikipedia: Diamond DA40 Diamond Star

Year

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Owner

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Last seen

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MTOW

2,400 kg

Range

590 nm

Seats

Diamond · 40

Model overview

Fleet & certification

Built: 2,155
Active: 2,149
Origin: Austria

Certifying authorities

FAA

Marketplace

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specifications + features

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Variants

Per-variant specifications

Variant	Engine	MTOW	Range	Cruise	Pax
DA 40 DA 40	—	1,100 kg	590 nm	120 kt	4
DA 40 NG DA 40 NG	—	1,100–2,400 kg	345–590 nm	120–127 kt	4–8
DA 40F DA 40F	—	1,100 kg	590 nm	120 kt	4

Type certification

The FAA paperwork

TCDS A47CE · Rev 16 · issued 2017-11-15

Category: Normal Category
MTOW: 1,310 kg
MZFW: 1,265 kg
Seats: 1 crew · 4 passengers
Fuel: 148 L
Ceiling: 16,404 ft

Approved fuelJET AJET A-1 (ASTM 1655)

Engine

Austro Engine E4

Certification basis

Type Certification under 14 CFR Section 21.29 including the following requirements: Joint Aviation Requirements (JAR) 23, Initial Issue, dated March 11, 1994. Equivalent to 14 CFR…

Read the TCDS (PDF) →

Safety & ops history

Where to look next

Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.

Diamond 40 market & fleet intelligence

Registry, flight-tracking and market data on the Diamond 40 fleet — updated daily.

Fleet age

18 yearsmedian age

00s

10s

20s

Of the 1,146 registered Diamond 40 with a known build year (53% of the 2,155 we track), the median age is 18 years.

Registration activity

74changed registration in 12 months

74 of the 2,155 registered Diamond 40 we track changed registration in the last 12 months (3% of the fleet), across 74 registration events. Registration changes include ownership transfers, re-registrations and address updates — not all are sales.

Fleet activity — last 90 days

Aircraft seen flying: 402
Tracked flights: 9,341
Tracked flight hours: 16,502
Share of fleet flying: 19%

402 Diamond 40 were tracked flying in the last 90 days (19% of the registered fleet), across 9,341 flights. Sprinkle flight tracking began May 2026; coverage is ADS-B-derived and not exhaustive.

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40 — frequently asked

What is the range of the Diamond 40?

The Diamond 40 has a maximum range of 590 nautical miles across variants.

How many people can the Diamond 40 carry?

The Diamond 40 seats up to 8 across its variants.

What is the MTOW of the Diamond 40?

The Diamond 40's maximum take-off weight is 2,400 kg.

What is the ICAO type designator for the Diamond 40?

The Diamond 40's ICAO type designator is DA40.

How many Diamond 40 aircraft are registered worldwide?

Sprinkle tracks 2,155 registered Diamond 40 airframes worldwide.

Registered 40 aircraft

Individual 40 airframes by tail number — registration history, operator and lineage.

See all 2,155 registered 40