Boeing Licensed Built DH.4

1st Flight 1916

Boeing license built the Airco DH.4 in numerous versions.

Variants

DH-4

Two-seat day bomber biplane, built in the United States.

DH-4A

Civil version, built in the United States.

DH-4B

Rebuilt version of Liberty powered DH-4 for U.S. Air Service.

Pilot’s cockpit relocated to behind fuel tank, adjacent to observer’s cockpit.

DH-4B-1

Increased fuel capacity (110 US gal (420 l; 92 imp gal).

DH-4B-2

Trainer version.

DH-4B-3

Fitted with 135 US gal (510 l; 112 imp gal) fuel tank

DH-4B-4

Civil version

DH-4B-5

Experimental civil conversion with enclosed cabin.

DH-4BD

Cropdusting version of DH-4B

DH-4BG

Fitted with smokescreen generators

DH-4BK

Night flying version

DH-4BM

Single seat version for communications

DH-4BM-1

Dual control version of BM

DH-4BM-2

Dual control version of BM

DH-4-BP

Experimental photo reconnaissance version

DH-4-BP-1

BP converted for survey work

DH-4BS

Testbed for supercharged Liberty

DH-4BT

Dual control trainer

DH-4BW

Testbed for Wright H engine

DH-4C

300 hp (220 kW) Packard engine

DH-4L

Civil version

DH-4M

Rebuilt version of DH-4 with steel tube fuselage.

DH-4Amb

Ambulance.

DH-4M-1

Postwar version by Boeing (Model 16) with new fuselage, designated O2B-1 by Navy

DH-4M-1T

Dual control trainer conversion of DH-4M

DH-4M-1K

Target tug conversion

O2B-2

Cross-country and night flying conversion for Navy

DH-4M-2

Postwar version by Atlantic

L.W.F. J-2

Twin-engine long range development of DH-4 (also known as Twin DH), powered by two 200 hp (150 kW) Hall-Scott-Liberty 6 engines and with wingspan of 52 ft 6 in (16.00 m); 20 built for U.S. Post Office, 10 for U.S. Army.

XCO-7/Boeing Model 42

Two-seat observation version with Boeing designed wings, enlarged tailplane and divided landing gear.

XCO-8

Was a designation of one Atlantic DH.4M-2 fitted with Loening COA-1 wings and powered by a Liberty 12A engine.

Specifications

Crew

two

Length

30 ft 8 in (9.35 m)

Wingspan

43 ft 4 in (13.21 m)

Height

11 ft 0 in (3.35 m)

Wing area

434 sq ft (40.3 m2)

Empty weight

2,387 lb (1,083 kg)

Gross weight

3,472 lb (1,575 kg)

Powerplant

1 × Rolls-Royce Eagle VIII water-cooled V12 engine, 375 hp (280 kW)

Performance

Maximum speed

143 mph (230 km/h, 124 kn) at sea level [Note 4]

Endurance

3 hr 45 min

Service ceiling

22,000 ft (6,700 m)

Time to altitude

9 min to 10,000 ft (3,000 m)

Armament

Guns

One fixed forward-firing .303 in (7.7 mm) Vickers machine gun, 1 or 2 .303 in (7.7 mm) Lewis guns on a Scarff ring

Bombs

460 lb (210 kg) of bombs.

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