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Boeing XAT-15 (Crewmaker)


Bomber-Crew Trainer Aircraft


United States | 1942



"The Boeing XAT-15 was planned as a Bomber-Crew Training platform but the original order for 1,000 aircraft was cancelled and just two prototypes were completed."



Authored By: Staff Writer | Last Edited: 06/08/2016 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The increasing complexity of modern military bomber aircraft of the late-1930s and early-1940s, coupled with the threat of war in Europe and the Pacific, prompted the United States Army Air Corps (USAAC) to seek out a dedicated bomber-trainer platform. Bombers of the day were seen with specialized stations for each crewman ranging from bombardier and navigator to radioman and machine gunner. Traditionally, the bombardier held the best view from the airplane, this at the nose, with the navigator usually close behind. The radioman was positioned somewhere aft of the cockpit and machine gun emplacements were set about the aircraft to provide a defense network against intercepting enemy fighters.

The Boeing XAT-15 became one candidate to fulfill the potentially lucrative USAAC deal for 1,000 aircraft. A twin-engine arrangement was selected to better train prospective pilots, copilots, and flight engineers on the nuisances of multi-engine operation and a deep fuselage was used to accommodate the crew and instructors. Internally there lay a bomb bay with a capacity for ten 100lb conventional drop bombs and four 0.30 caliber machine guns were fitted for practicing aerial defense against moving targets from a moving platform. The aircraft was given a high-wing monoplane form and single-rudder tail unit, the latter with low-set horizontal planes. The nose was partially glazed and a stepped cockpit arrangement used that overlooked the nose - the pilots given good views of each engine nacelle found along each wing leading edge. A tail-dragger, wheeled undercarriage was fitted and the engines of choice became 2 x Pratt & Whitney R-1340-AN-1 "Wasp" air-cooled radial piston units slung under the wings. The construction makeup of the aircraft involved welded steel tubing covered over in plywood - this necessitated by the scarcity of metals needed for the American war effort now underway.

First flight of an XAT-15 prototype occurred during 1942 and this became one of the earliest projects handed to the Wichita (Kansas) Division of Boeing (the facility formerly the Stearman Aircraft Company until 1939). Performance specs included a maximum speed of 207 miles per hour, a range out to 850 miles and a service ceiling up to 18,900 feet.

The XAT-15 initiative was eventually cancelled in light of the growing American commitment to World War 2 following the Japanese attack on Pearl Harbor in December of 1941. This left the XAT-15 low on the list of priorities for the USAAC which turned its attention to procurement of bombers of many kinds. Dedicated trainers were a luxury and training platforms were simply molded from existing bomber designs for expediency - leaving the XAT-15 without a role or buyer to be had.

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Power & Performance
Those special qualities that separate one aircraft design from another. Performance specifications presented assume optimal operating conditions for the Boeing XAT-15 (Crewmaker) Bomber-Crew Trainer Aircraft.
2 x Pratt & Whitney R-1340-AN-1 "Wasp" radial piston engines developing 600 horsepower each.
Propulsion
208 mph
335 kph | 181 kts
Max Speed
18,898 ft
5,760 m | 4 miles
Service Ceiling
851 miles
1,370 km | 740 nm
Operational Range
City-to-City Ranges
Operational range when compared to distances between major cities (in KM).
NYC
 
  LON
LON
 
  PAR
PAR
 
  BER
BER
 
  MOS
MOS
 
  TOK
TOK
 
  SYD
SYD
 
  LAX
LAX
 
  NYC
Structure
The nose-to-tail, wingtip-to-wingtip physical qualities of the Boeing XAT-15 (Crewmaker) Bomber-Crew Trainer Aircraft.
6
(MANNED)
Crew
42.3 ft
12.90 m
O/A Length
59.7 ft
(18.20 m)
O/A Width
9.8 ft
(3.00 m)
O/A Height
10,637 lb
(4,825 kg)
Empty Weight
14,352 lb
(6,510 kg)
MTOW
Design Balance
The three qualities reflected below are altitude, speed, and range. The more full the box, the more balanced the design.
RANGE
ALT
SPEED
Armament
Available supported armament and special-mission equipment featured in the design of the Boeing XAT-15 (Crewmaker) Bomber-Crew Trainer Aircraft .
PRACTICE ARMAMENT:

4 x 0.30 caliber Medium Machine Guns (MMGs)
10 x 100lb conventional drop bombs held in internal bomb bay.
Variants
Notable series variants as part of the Boeing XAT-15 (Crewmaker) family line.
XAT-15 - Prototype Model Designation; two examples completed.
"Crewmaker" - Unofficial nickname
Operators
Global customers who have evaluated and/or operated the Boeing XAT-15 (Crewmaker). Nations are displayed by flag, each linked to their respective national aircraft listing.

Total Production: 8 Units

Contractor(s): Boeing (Wichita Division) / Stearman Aircraft Company - USA
National flag of the United States

[ United States (cancelled) ]
Relative Max Speed
Hi: 300mph
Lo: 150mph
Aircraft Max Listed Speed (208mph).

Graph Average of 225 MPH.
Era Crossover
Pie graph section
Showcasing Aircraft Era Crossover (if any)
Max Alt Visualization
Small airplane graphic
Production Comparison
8
36183
44000
Entry compared against Ilyushin IL-2 (military) and Cessna 172 (civilian) total production.
MACH Regime (Sonic)
Sub
Trans
Super
Hyper
HiHyper
ReEntry
RANGES (MPH) Subsonic: <614mph | Transonic: 614-921 | Supersonic: 921-3836 | Hypersonic: 3836-7673 | Hi-Hypersonic: 7673-19180 | Reentry: >19030
Aviation Timeline
EarlyYrs
WWI
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WWII
ColdWar
Postwar
Modern
Future
1 / 1
Image of the Boeing XAT-15 (Crewmaker)
Image from the Public Domain.

Mission Roles
Some designs are single-minded in their approach while others offer a more versatile solution to airborne requirements.
GROUND ATTACK
TRAINING
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Boeing XAT-15 (Crewmaker) Bomber-Crew Trainer Aircraft appears in the following collections:
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