This Luft Hansa Komet III, D-580, was later named Panther and it is believed to have operated Luft Hansa’s first service, on April 6, 1926.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

The first Komet II c/n 2/23 CH50 was with Ad Astra Aero in 1921. Fitted with a 185hp BMW IIIa it has a 2-blade wood propeller and the pilot's cockpit is close behind the engine in the wing leading edge.
CH 50, a Dornier Komet I operated by Ad Astra Aero AG of Zurich. The windshield can be seen mounted on the wing leading edge. The aeroplane in the background is a Sablatnig P III.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921Sablatnig P.III - ГерманияGermany - 1919

DDL Danish Air Lines’ Komet III T-DODB had been Deutscher Aero Lloyd’s D-585 and was bought by DDL in 1925.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

Kawasaki-built Komet III, J-BADA, with Lorraine engine and two-blade airscrew. This example incorporates some Merkur features and was operated by Tozai Teiki Kokukai on the Tokyo-Osaka route.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

Probably the prototype Komet II. It has a much smaller rudder than the prototype Komet I. The aileron balance surface can be seen in this view.
A late production Komet II with a larger radiator and high fully-enclosed engine cowling which probably hides the more powerful 250 hp BMW IV engine.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

D-248 at a later date as "Dusseldorf" of DAL now has a much taller exhaust pipe exiting from ahead of the front cylinder, probably as a result of pilot complaints about fumes from the earlier installation being detected in the cockpit.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

The passenger cabin of a Komet III. Behind the camera are two aft-facing seats. At least some of the windows could be slid open.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

KEITH WOODCOCK’S painting of Komet I D-248 Dusseldorf. This aircraft served with Deutsche Luft-Reederei and passed to Deutscher Aero Lloyd before becoming Luft Hansa’s Jaguar in 1926. The crane emblem, still used by Lufthansa, appears on the rudder.

Самолёты на фотографии: Aircrafts on the photo: Dornier Komet - ГерманияGermany - 1921

The open-cockpit BMW VI-powered Merkur CH 171 Switzerland in which Walter Mittelholzer flew from Zurich to Cape Town in 1926-27. With floats fitted this Merkur was given additional rudder area.

Самолёты на фотографии: Aircrafts on the photo: Dornier Do.B Merkur - ГерманияGermany - 1925

Luft Hansa’s Merkur D-1102 Edelmarder, with BMW VID engine, was built in 1927. It is believed to have been later used by Deruluft and finally re-registered D-UDYF.

Самолёты на фотографии: Aircrafts on the photo: Dornier Do.B Merkur - ГерманияGermany - 1925

With the early Soviet registration RR-34 repeated under both wings, a ‘Merkur’ II shows its intermediate wing struts necessary due to increased weight. This is probably a machine operated by ‘Deruluft’.
On the reverse of this Dornier photograph of Deruluft’s RR34 it is described as a Merkur I.

Самолёты на фотографии: Aircrafts on the photo: Dornier Do.B Merkur - ГерманияGermany - 1925

Deruluft’s Merkur RR35 with four-blade airscrew, enclosed cockpit and night flying equipment.

Самолёты на фотографии: Aircrafts on the photo: Dornier Do.B Merkur - ГерманияGermany - 1925

Deruluft’s Merkur RR36 in an undignified position. This example has an enclosed cockpit “beneath” which is the route placard reading Moskau-Berlin.

Самолёты на фотографии: Aircrafts on the photo: Dornier Do.B Merkur - ГерманияGermany - 1925