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
Crop dusting 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
Post-war 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
Post-war 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
DH-4
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
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
