The North American B-25 Mitchell

Driving down New Highway, which skirts the perimeter50 Japanese fighters, "Sorry Satchul" so badly
of Farmingdale, Long Island's, Republic Airport, on thedamaged that it had been forced to head for shore
still-warm, crystal-blue Labor Day morning in 2006, andand ditch and "Tondelayo," despite its own critical
glimpsing the tails of the World War II B-24 Liberator,wounds, hovering only 30 feet above the water where
B-17 Flying Fortress, and B-25 Mitchell bombers, I hadit had managed to shoot down five additional enemy
once again realized that the Collings Foundation'saircraft. Limping into base at Kiriwina, the aircraft had
annual Wings of Freedom fleet rotation, more than anysubsequently been repaired and patched, receiving a
other year, had transformed the general aviation fieldnew right wing, engine, propeller blades, and radio
into an early-1940s pocket of time, a hub of mediumequipment. Its crew had been awarded the Silver Star.
and heavy bomber operations.Squatting under the forward fuselage and climbing the
The aircraft intended for my mission, the Northshort ladder into the cockpit section on that Labor Day
American B-25 Mitchell registered 130669 "Tondelayo"in 2006, I took the right of the two observer's seats
and wearing its drab olive-green livery, had been thelocated a foot below, and behind, the cockpit, while the
third parked on the ramp of the American Airpowerfour other passengers entered the aft section, located
Museum, both an historical and symbolic positionbehind the bomb bay, through the ventral hatch, which
relative to the two heavier, longer-range aircraft whichhad been configured with an aft-facing, three-person
had been preceded it.bench seat and three individual seats. With the ladder
Resulting from a 1938 Air Corps requirement for anow raised and the dual panel folded across it to form
twin-engined, medium-range bomber which could fulfilla portion of the integral floor, the B-25J had been
niche roles its larger, quad-engined counterparts hadsecured for engine start.
been unable to, and tracing its lineage to the B-10, theThe two-person cockpit, sporting bow tie control
B-12, the B-18, and the B-23, the B-25 itself, namedyokes, featured a throttle quadrant with the two
after the US Army Air Corps Officer General Billyengine throttles angled toward the pilot, two
Mitchell, had been infused life as a self-funded projectpropeller-pitch throttles, and two fuel-mixture throttles
by North American Aviation in the form of theangled toward the copilot.
NA-40-1. The 19,500-pound prototype, featuring aEngine start, commencing with the right, number 2
narrow fuselage with a green house cockpit; a straightpowerplant, entailed turning the master ignition switch
mid-wing; two, 1,100-horsepower R-1830 piston engines;and right booster pump on, at which point the Wright
an angular, twin vertical tail; and a tricycle undercarriageR-2600 powerplant rotated and the interior became
of single wheels, had first flown in January of 1939, butsaturated with deep, vibrating, Hamilton Standard
a power deficiency had necessitated the retrofit ofpropeller-created noise. Priming and stabilizing them
1,350-horsepower R-2600s. Although the modifiedwith the throttle to create between 800 and 1,000
version, designated NA-40-2, had offered superiorrevolutions per minute, the captain applied a full-rich
performance, it crashed after a two-week testmixture, causing them to settle into a throaty, 1,200-rpm
program.idle. The process was repeated with the left, number 1
Its NA-62 successor, which had been extensivelyengine.
modified, featured a wider fuselage which in turnContacting Republic Ground on 121.6 for taxi clearance,
increased the now lower-mounted, constant root-to-tipand armed with the latest automatic terminal
dihedral mid-wing span, 1,700-horsepower R-2600-9information service data, the twin-finned bomber
engines, square-geometry vertical tails, and areleased its brakes at 0845, the thrust created by its
27,000-pound gross weight. Approved in Septemberengines, even at idle settings, sufficient to move it
of 1939, this version, designated the XB-25, first flew inforward over the American Airpower ramp and away
prototype form on August 19 of the following year.from the World War II bomber trio. Taxiing parallel to
Initially delivered to the Army Air Corps, the aircraftthe active runway, 32, the B-25J periodically jolted in
demonstrated directional stability deficiencies, resultingresponse to brake applications, turning on to the run-up
in the outer wing mounting redesign with the tentharea by means of differential power, its
aircraft off the production line, which reduced theslipstream-bombarded twin rudders aerodynamically
engine-to-wing tip dihedral and gave it its characteristicinducing ground turns. Extending its slotted, trailing edge
gull-wing profile.flaps and advancing its throttles, the medium-capacity
The B-25 Mitchell, in production form, appeared with anbomber, assuredly a giant in comparison to the
aluminum alloy, semi-monocoque fuselage, constructedcurrently landing Piper Warrior, moved on to the
of four longerons, which produced a 53.6-foot overallrunway's threshold, just as the B-17 had commenced
length. The cantilever, all-metal, mid-mounted wings,its own taxi roll from the ramp.
comprised of a two-spar, fuselage-integral centerMoving into take off position and aligning its nose wheel
section housing integral fuel tanks and two outer,with the centerline, aircraft 130669 received take off
single-spar sections with detachable wing tips, featuredclearance from Republic Tower on 125.2, slowly
sealed ailerons with both fixed and controllable trimmingadvancing its two throttles in order to establish initial
tabs and dual-section, hydraulically-operated, trailingdirectional control. Firmly maintaining a straight
edge slotted flaps divided by the engine nacelles.acceleration roll, the 1,500-horsepower twin-row radials
Spanning 67.7 feet, they sported a 609.8-square-footpowering the Collings Foundation aircraft exploded with
area. Powered by two 1,700-horsepower,cabin-saturating noise as smooth, steady throttle
Wright-Cyclone two-row, 14-cylinder, air-cooled R-2600advancements pinnacled them into their METO
piston engines housed in aerodynamic nacelles whichsettings of 2,600 revolutions-per-minute and 40 inches
traversed the wing chord and turned three-bladed,of manifold pressure. Counteracting wind-induced
constant-speed, 12.7-foot, full-feathering, anti-icingdirectional variations with subtle rudder deflections, the
Hamilton Standard propellers, the aircraft could climb tocaptain began applying control column back pressure
15,000 feet in 11.3 minutes and attain a maximum speedat 75 knots indicated air speed, the now
of 303 mph at 13,000 feet. The cantilever twin verticalground-separated nose wheel producing a
fins and rudders, fitted with fixed and controllablelift-generating angle-of-attack. The air speed-created
trimming tabs, had been modified with rounded topspressure differential, bathing the huge, outstretched,
and yielded a 16.5-foot aircraft height. The tricycle,upper wing surfaces in a steady stream of
single-wheeled, hydraulically-actuated, aft-retractingaccelerated air, removed all ground restraints and
undercarriage, the first such configuration employed byallowed them to peel the gravity-defying aircraft to
a US bomber, featured aerodynamic door coverswhich they had been attached off the ground at 115
over all three wheel wells in both the extended andknots. Retracting its tricycle undercarriage at the
retracted positions, while the main wheels wereaircraft's VMC-determined 145-knot speed, and
equipped with hydraulic brakes. The aircraft, with atrimming itself into its initial climb, the twin-engined
21,100-pound empty weight, had a maximum grossbomber, encased in engine slipstream, rolled into a right
weight of 33,500 pounds.bank over Route 110, headed toward Long Island's
Several versions had been produced. The first ofsouth shore.
these, the B-25A, incorporated pilot armor andMaintaining a 150-degree heading, the now-graceful
self-sealing fuel tanks, while its successor, the B-25B,flying bird reduced its engine rpm to 2300 and its
introduced two electrically-operated Bendix turrets,manifold pressure to 30, moving abreast of the
each of which replaced the midship and tail guns andmetallic, erector set-appearing Captree Bridge at 1,000
featured two.50 caliber machine guns. Entering servicefeet, which stretched across the deep blue surface of
in 1941 with the 17th Bomb Group at McChord Fieldthe Great South Bay from the island to Jones Beach
near Tacoma, Washington, the aircraft, whoseand its signature lighthouse. The azure of the water,
production run totaled 120, also featured a separateseamlessly merging with that of the sky, melded into a
photographic station between the upper turret and thesurreal dimension, as viewed from the
tail and a shortened, 54.1-foot length.270-degree-encompassing Plexiglas nose.
Powered by two 1,700-horsepower Wright R-2600-13The power-to-weight ratio, coupled to its aerodynamic
engines, the B-25C, the third version, introduced andesign, had been the key to the highly-maneuverable,
autopilot system and external racks which could carrymedium mission bomber. Unlike its long-range,
eight 250-pound bombs, and a later fuel capacityhigh-altitude, heavy B-17 and B-24 counterparts, the
increase to 1,100 gallons. Of the 3,909 build, 1,619 hadB-25, at half their acquisition costs, had been intended
been produced in Inglewood, California, while 2,290 hadfor interdiction purposes, delivering tactical blows to
been assembled in Kansas City, Kansas, under theenemy targets closer to the front. Because of its
B-25D designation.maneuverability, it had been able to fly low-level,
The singular B-25E and -F variants were intended astree-top strafing sorties, where it had remained virtually
test vehicles of wing and tail anti-icing systems, whilehidden, and had then dropped parachute-retarding
the B-25G replaced the glazed nose with an armoredbombs, which had enabled it to escape before
one, the latter containing two.50 caliber machine gunsdetonation. Although it had operated extensively in the
and one 9.6-foot-long, 900-pound, cradle-mounted, M-4Pacific, targeting Japanese air fields from treetop
cannon capable of firing 23-inch, 15-pound shells.altitudes and skip-bombing enemy ships, it had been
Although its armament had otherwise adhered to theused in all theaters of operation, and had been flown
B-25C standard, its bomb bay could accommodate anby the Australians, the British, the Chinese, and the
aircraft torpedo. The variant, operated by a crew ofDutch. It had been the first bomber to have been
four and featuring a 50.10-foot overall length, enjoyed alend-leased to Russia.
405-unit production run.The most famous B-25 mission, led by Lieutenant
The B-25H, with significantly increased armament,Colonel James H. Doolittle and occurring on April 18,
featured four.50 caliber machine guns in the metallic,1942, had entailed the launch of 16 aircraft from the
armored nose, and a further four on the side, arrangedaircraft carrier USS Hornet. Of the four candidate
in pairs; a repositioned top turret, now located in theaircraft, inclusive of the B-18, the B-23, the B-26, and
roof of the navigator's compartment; the removal ofthe B-25 itself, the latter had been chosen because of
the ventral turret; enlarged, aft-wing,.50 caliber machineits performance. The aircraft, B-25Bs modified at the
gun waist positions; and a tail gun station with twoNorthwest Airlines maintenance facility in Minnesota to
further.50 caliber machine guns. As World War II'sincrease their fuel tankage from 694 to 1,141 US
most extensively armed design, it could attain 293-mphgallons, had featured dorsal and ventral power turrets,
speeds at 13,000 feet and had a 23,800-foot servicebut had been devoid of tail armament. Loaded on the
ceiling.USS Hornet for the sea journey to Japan, 16 aircraft,
The B-25J, the definitive and numerically most populareach at 31,000-pound gross weights, would take off
version, had been intended for precision bombing. Thefrom the 467-foot deck at a 450-mile distance, close
aircraft, introducing a bombardier who increased theenough to permit them to bomb targets in Tokyo,
crew complement to six, reincorporated the glazedYokahama, Kobe, and Nagoya, yet retain sufficient fuel
nose which had now been provisioned with one fixedsupplies to continue the 1,200 miles to China.
and one flexible.50 caliber machine gun. The largestEncountering a Japanese picket boat during the
single Mitchell order, for 4,318 B-25s, had been placedmorning of April 18, and fearing imminent attack,
on April 14, 1943, and the aircraft, attaining 292-mphDoolittle made the decision to launch the B-25 fleet at
speeds at 14,500 feet, could cruise at service ceilingsan 800-mile distance, or 350 miles further, from land,
of 25,500 feet.the first take off occurring at 8:18 a.m., which had been
Between 1941 and 1945, the Army Air Corps tookless than an hour after the boat had been sighted.
delivery of 9,816 B-25s, 3,218 of which had beenUsing strong headwinds and the deck's sea
produced in Inglewood, California, until 1943, and theswell-created inclination, the bombers had just been
remaining 6,608 of which had been produced inable to accomplish the precarious feat, with the last
Kansas City.taking off at 9:21 a.m.
The B-25 Mitchell had several post-war applications.After some four hours of flying, the lead aircraft, flown
Demilitarized, and designated TB-25, the type, basedby Doolittle himself, dropped the first bomb over
upon the B-25J, had been converted into a trainer withTokyo, shortly after which it had been joined by the
the installation of an observer's seat in the nose, aheadremaining 15. Although all safely departed Japanese air
and below the cockpit; two student seats behind thespace, insufficient fuel, caused by the earlier launching,
standard two pilot-instructor positions; and up to fiveand deteriorating weather, resulted in the crash-landing
seats in the aft cabin. Of the 400 converted aircraftor abandonment of 15 B-25s in China, while the 16th
operated by the US Air Force during the 1950s, thelanded in Vladivostock, where its crew had been
last active-duty staff transport had not been retiredcaptured.
until May 21, 1960, although it had continued to beNevertheless, the mission had been both a
operated by the air forces of Brazil, Canada, Chile,technological and operational success, and had
Colombia, Cuba, Mexico, Holland, Uruguay, andelevated troop morale and garnered tremendous
Venezuela.notoriety for the aircraft.
A photographic reconnaissance variant, the F-10, hadBanking left to a 240-degree heading, aircraft 1306669
featured a nose-installed tri-metrogon camera alongTondelayo was carried back over Captree Bridge by
with other aerial photography equipment, while otherits gull, variable-dihedral wings and its three-bladed
non-military roles had included those of executivepropellers, crossing over Long Island's south shore. The
transport, freighter, and fire bomber.B-17 Flying Fortress, appearing particularly graceful
The aircraft operating my Labor Day flight, a B-25Jover the blue surface of the Great South Bay, flexed
registered 44-28932, had been produced in August ofoff of the port cockpit windows. World War II skies
1944 by North American Aviation in Kansas City,had somehow been resurrected that morning.
Kansas. Accepted by the United States Army AirFuel burn depended on engine setting: at 180 mph, with
Corps on August 3 of that year, it had served in thethe engines turning at 1,700 revolutions per minute and
US in the AAF Flying Training Command Program,feeding off of 27 inches of manifold pressure, the
serving 12 different air bases until January of 1959, ataircraft burned 120 gallons per hour, while a ten-mph
which time it had been declared surplus and had beencruise speed increase, attained with a 1,800-rpm
deleted from the US Air Force inventory. Converted28-inch setting, resulted in a 130-gallon per hour
into a fire bomber, it had combated forest fires forconsumption.
another 25 years.Recontacting Republic Tower, aircraft 130699 advised
Acquired by the Collings Foundation in 1984, andits intention of "inbound for landing" and reduced power,
restored by Tom Reilly Vintage Aircraft over anow gravity-induced into its descent profile. Maintaining
two-year period, the B-25J, the first World War IIa 180-mph speed and a 320-degree heading, it
bomber in the collection, had been flown n air shows inextended its trailing edge flaps, which provided air
the Boston area for a decade, whereafter it had beenspeed control, by means of progressive drag
ferried to Chino, California, in late 2001, for a secondaryproduction. Flap settings equally depended on flight
restoration by Carl Scholl of Aero Trader, Inc.phase: 1/4 for take off, 1/2 and 3/4 for descent, and
Subsequently repositioned to Midland, Texas, it wasfull for landing.
painted by AVSource West in its current TondelayoThe aircraft's clean stalling speed had been 95 mph,
livery after the B-25 which had been operated by thewhich decreased to 83 mph at maximum gross
Air Apache 345th BG of the 5th Air Force in theweight with full flaps and undercarriage at 26,000 feet.
Pacific Theater against targets in New Guinea, theExtending its drag-producing landing gear into the
500th BS of the 5th Air Force itself having been theslipstream, the aircraft inched toward Runway 32's
fourth squadron of the 345th BG to have attackedthreshold, as its altimeter unwound: 600
shipping in Vunapope near Rabaul on October 18, 1943.feet...500...300...100...
The Tondelayo name had been inspired by HedyPassing over the fence at 115 mph, the olive-green,
Lamarr's character in the 1943 movie White Cargotwin-engined, twin-finned medium bomber sank toward
and given by the crew of Lieutenant Ralph Wallace.the blurred concrete in a full back-pressure control
The three-aircraft formation, comprised of the B-25yoke-induced flare, screeching on the ground with its
"Snafu" and flown by Captain Lyle Anacker, theleft main wheel at 80 mph, at which time the friction
"Tondelayo" flown by Lieutenant Wallace himself, andsufficiently reduced its air speed to permit the
the "Sorry Satchul" flown by Lieutenant Paterson, hadremaining two bogies to settle earthward.
claimed three ships, but avenging fighters had attackedCompleting its deceleration roll and taxiing on to the
"Sorry Satchul," hitting its port engine and forcing it toAmerican Airpower Museum ramp, the B-25J Mitchell,
ditch, and "Tondelayo," damaging its right engine. Shutas the medium mission bomber, had appropriately been
down and feathered, it had almost wrenched itselfthe first to return to base, the B-17 and the B-24 still
from its mountings because of severe vibration.plying the skies. If World War II had still been raging, the
Flying over Cape Gazelle toward base, the B-25 duo,sequence would have been exactly the same.
maintaining tight formation, had been targeted by some