BOEING B-17 FLYING FORTRESS

B-17 SERVICE

Manufacturer: The Boeing Aircraft Co., Seattle, Washington, USA
Model: Boeing Model 299
Designations: B-17; B-38, B-40, BQ-7, C-108, CQ-4, F-9, PB
Name: Flying Fortress
First official flight: (Model 299) 28/07/1935
Factory production period: 1934 - 1945
Primary service period: 1936 - 1945
Last official flight: (QB-17L) 06/1960

B-17 VARIANTS

1935 Model 299 Prototype (XB-17) 1  
1936 Model 299B Y1B-17 (YB-17, B-17) 13  
1938 Model 299F Y1B-17A (B-17A) 1 Total: 00015
         
1939 Model 299M B-17B 39  
1940 Model 299H B-17C 38  
1941 Model 299H B-17D 42 Total: 00119
         
1941 Model 299O B-17E 512  
1942 Model 299P B-17F 3405  
1943 Model 299P B-17G 8680 Total: 12597

Grand Total: 12731

B-17 PRODUCTION

Model 299 (XB-17)
Prototype heavy bomber, 4 engines, bubble turrets,
ADF antenna, unofficial designation was XB-17.
Produced 1934 - 1935

Boeing Seattle, Washington (BO)

X-13372 (civil reg.) 1963 1 Total: 00001

Y1B-17 (YB-17, B-17)
As Model 299, engine upgrade.
Redesignated B-17 after service tests.
Produced 1936 - 1937

Boeing Seattle, Washington (BO)

36-149 / 36-161 1973 / 1985 13 Total: 00013

Y1B-17A (B-17A)
As Y1B-17, engine upgrade, superchargers.
Redesignated B-17A after supercharger tests.
Produced 1938

Boeing Seattle, Washington (BO)

37-369 1987 1 Total: 00001

B-17B
As Y1B-17A, redesigned nose, enlarged flaps, rudder.
Produced 1939 - 1940

Boeing Seattle, Washington (BO)

38-211 / 38-223 2004 / 2016    
38-258 / 38-270 2017 / 2029    
38-583, 38-584 2030, 2031    
38-610 2032    
39-001 / 39-010 2033 / 2042 39 Total: 00039
1 (39-011), additional airframe cancelled.

B-17C
As B-17B, bathtub ventral gun, revised turrets, armour.
Produced 1940

Boeing Seattle, Washington (BO)

40-2042 / 40-2079 2043 / 2080 38 Total: 00038

B-17D
As B-17C, revised systems, armour, cowl flaps.
Produced 1940 - 1941

Boeing Seattle, Washington (BO)

40-3059 / 40-3100 2087 / 2128 42 Total: 00042

B-17E
As B-17D, redesigned nose, cockpit, tail, new gun turrets
(top, bottom, rear), minor changes.
Produced 1941 - 1942

Boeing Seattle, Washington (BO)

41-2393 / 41-2669 2204 / 2480    
41-9011 / 41-9245 2483 / 2717 512 Total: 00512

B-17F
As B-17E, frameless glass nose, engine upgrade,
many block no. changes, Lockheed built were Vega Model 17.
Produced 1942 - 1943

Boeing Seattle, Washington (BO)

41-24340 / 41-24639 3025 / 3324    
42-5050 / 42-5484 3589 / 4023    
42-29467 / 42-31031 4581 / 6145

2300

 

Douglas Long Beach, California (DL)

42-2964 / 42-3482 7900 / 8418    
42-3483 / 42-3562
- 80 redesignated as
B-17G-DL in service.
8419 / 8498    
42-37714, 42-37715 8500, 8501    
42-37717 / 42-37720 8503 / 8506

605

 

Lockheed-Vega, Burbank, California (VE)

42-5705 / 42-6204 17-6001 / 6500 500 Total: 03405

B-17G
As B-17F, chin turret, many block no. changes.
Lockheed built were Vega Model 17.
Produced 1943 - 1945

Boeing Seattle, Washington (BO)

42-31032 / 42-32116 6146 / 7230    
42-97058 / 42-97407 7531 / 7880    
42-102379 / 42-102978 7881 / 8480    
43-37509 / 43-39508 8487 / 10486

4035

 

Douglas Long Beach, California (DL)

42-3563, 42-37716 8499, 8502    
42-37721 / 42-38213 8507 / 8999    
42-106984 / 42-107233 21899 / 22148    
44-6001 / 44-7000 22224 / 23223    
44-83236 / 44-83885 31877 / 32526

2395

 
600 additional airframes cancelled.

Lockheed-Vega, Burbank, California (VE)

42-39758 / 42-40057 17-6501 / 6800    
42-97436 / 42-98035 17-6801 / 7400    
44-8001 / 44-9000 17-7401 / 8400    
44-85492 / 44-85841 17-8401 / 8750 2250 Total: 08680
100 additional airframes cancelled.

 

Grand Total: 12731

B-17 CONVERSIONS

WW2

USAAF

RB-17B 1+ B-17B, 1942, redesignation as "restricted" from combat.
RB-17C 1+ B-17C, 1942, redesignation as "restricted" from combat.
RB-17D 1+ B-17D, 1942, redesignation as "restricted" from combat.
B-17H 12 B-17G, 1945, air-sea rescue aircraft with droppable lifeboat.
Nicknamed: Dumbo.
(SB-17G) 12 1948-1956, redesignation of B-17H.
TB-17H 5 B-17G, 1945, crew trainer for B-17H.
XB-38 1 B-17E(Vega Model 117), 1943, engine upgrade.
TB-40 4 B-17F, 1943, crew trainer for YB-40.
XB-40 1 B-17F(Vega Model 217), 1942, armed escort with additional machine guns.
YB-40 20 B-17F(Vega Model V139-3), 1943, armed escort with upgraded armament.
BQ-7 25+ B-17E/F, 1944, convertions as flying unmanned bombs.
XC-108 1 B-17E, 1943, VIP aircraft for General MacArthur, named "Bataan".
YC-108 1 B-17F, 1943, staff executive transport.
XC-108A 1 B-17E, 1944, cargo conversion with side cargo door, unarmed.
XC-108B 1 B-17F, 1943, tanker conversion, armament deleted.
CQ-4 1+ B-17G, 1944, drone director aircraft for the BQ-7.
F-9 16 B-17F, 1942, reconn. Aircraft with cameras in bomb bay.
F-9A 25 B-17F, 1942, camera aircraft with alternative cameras.
(F-9B) 1+ 1943, modified F-9A.
(FB-17F) 1+ 1945, redesignation of F-9 / F-9A.
(RB-17F) 1+ 1948, redesignation of FB-17F.
F-9C 10+ B-17G, 1944, conversion with camera installations.
(FB-17G) 1+ 1945, redesignation of F-9C.
(RB-17G) 1+ 1948, redesignation of FB-17G.

British RAF

Fortress Mk. I 20 Model 299U
B-17C, 1941-1946, aircraft serving with the RAF.
Assigned RAF s/n: AN518 / AN537.
Fortress Mk. II 20 B-17F, 1942-1946, aircraft serving with the RAF.
Assigned RAF s/n: FA684, FA695 / FA713.
Conversions: B.Mk. II, GR.Mk. II.
Fortress Mk. IIA 45 B-17E, 1942-1946, aircraft serving with the RAF.
Assigned RAF s/n: FK184 / FK213, FL449 / FL460,
FL462 / FL464.
Conversions: B.Mk. IIA, GR.Mk. IIA.
Fortress Mk. III 98 B-17G, 1944-1946, aircraft serving with the RAF.
Assigned RAF s/n: HB761 / HB820, KH998, KH999,
KJ100 / KJ127, KL830 / KL837.
Conversions: B.Mk. III, GR.Mk. III.
3 to RCAF as 9205 / 9207.
13 back to USAAF.
Fortress Mk. IIIA 14 B-17G, 1944-1946, late models with RAF.
Assigned RAF s/n: SR376 / SR389.
3 to RCAF as 9202 / 9204.

Post WW2

USAF

XB-17F 1 B-17F, used by NACA for tests.
ZB-17F 1+ B-17F, 1948, redesignation as "obsolete".
CB-17G 1+ B-17G, 1946, cargo / transport conversions.
DB-17G 1+ B-17G, 1947, redesignation of CQ-4's as drone directors.
(DB-17P) 4+ DB-17G, 1955, redesignation as drone director aircraft.
(QB-17P) 2 DB-17G, 1955, conversions as drone aircraft.
QB-17G 1+ B-17G, 1947, redesignation of BQ-7's as target drones.
(QB-17L) 1+ QB-17G, 1955, redesignation as target drones.
(QB-17N) 1+ QB-17G, 1955, redesignation as alternative target drone.
MB-17G 1+ B-17G, test beds wing mounted JB-2 flying bomb.
NB-17G 1+ B-17G, permanent conversion for test duties.
TB-17G 1+ B-17G, crew trainer conversion for B-17G.
VB-17G 1+ B-17G, staff transport.
WB-17G 1+ B-17G, weather reconn. aircraft.
XB-17G 1 B-17G, conversion for test duties.
EB-17G 2 Model 299-Z
B-17G, 1946, conversion for turboprop flight testing.
(JB-17G) 2 1956, redesignation of EB-17G.
Model 299AB 1 B-17G, 1946, executive transport for TWA.

US Navy

PB-1 1 B-17F, 1945, transfer to the US Navy.
Assigned BuNo. 34106.
PB-1G 17 B-17G, 1946-1959, US Coast Guard air/sea rescue aircraft.
Assigned BuNo. 77245 / 77257, 82855 / 82857, 84000.
PB-1W 31 B-17G, 1946, US Navy, fitted with APS-20 search radar.
Assigned BuNo. 34114, 77137, 77138, 77225 / 77244,
77258, 83992 / 83998.
27 additional conversions cancelled.
(XPB-1) 1 PB1-W, redesignation as a jet engine test bed.

FOREIGN MILITARY / CIVILIAN SERVICE
 - Several B-17D/E's captured and tested by the Japanese Armed Forces.
 - Over seven B-17F/G's captured and flown by Nazi Germany under the
   designation Dornier Do 200.
 - B-17's in military or civil service during and post WW2 with Canada,
   Bolivia, Brazil, Dominican Republic, France, Israel, Portugal, Russia
   and Sweden.
 - Many conversions as fire fighting tankers, freighters, air-sprayers etc.


BOEING 307 STRATOLINER

BOEING 307 SERVICE

Manufacturer: The Boeing Aircraft Co., Seattle, Washington, USA
Model: Boeing Model 307
(Based on Boeing Model 299, B-17)
Name: Stratoliner
(Military designation: C-75)
First official flight: (S-307) 31/12/1938
Factory production period: 1938 - 1940
Primary service period: 1939 - 1952
Last official flight: (SA-307B-1) 1952

BOEING 307 VARIANTS AND PRODUCTION

Model 307 Stratoliner
1938, pressurized 4-engined civil airliner
with B-17 wings and tail section.
Produced 1938 - 1940

Boeing Seattle, Washington

S-307 (PAA-307) 1994, 1995
2002, 2003
4  
SA-307B 1996
1998 / 2001
5  
SB-307B 1997 1 Grand Total: 10

BOEING 307 CONVERSIONS

USAAF

C-75 5 SA-307B, 1942-1944, conversions to military transports.
Assigned s/n: 42-88623 / 42-88627.
3 PAA S-307's also used but without military designations.
(SA-307B-1) 5 C-75, 1944, upgrades with B-17G components for civil service.

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