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5. An undistinguished record in the Indies

The CW-21B squadron (2-VlG-IV) was newly formed effective 1 March 1941 at Andir (near Bandoeng) in western Java under 1/Lt. R.A.D. Anaemet [33]. It numbered eighteen CW-21Bs. Twelve were initial strength and six in immediate reserve. Five others were in depot storage and one was assigned to the Technical School at Andir. Soon after its formation the squadron relocated to Maospati in eastern Java. Its four flights were later increased in strength to four aircraft each.

The squadron engaged in operational training at Maospati. Individual and formation mock combats were flown. There were practice alerts. Navy Do-24 flying boats staged mock raids about once a week. The CW-21Bs alternated acting as escorts and intercepting the Dorniers. Less frequently there were exercises of the air warning system with Dorniers or Martin bombers playing the role of enemy attackers.

One pilot was lost when he ran into the ground flying low in an air show. The CW-21Bs themselves suffered some minor structural damage during training maneuvers. Sheet metal and angle stock were ordered from the United States to repair the faults. A few months before war broke out cracks were discovered in landing gear fittings. Late in November ten sets of fittings were ordered from the United States. When war commenced several of the aircraft were out of action awaiting repair of this defect. According to one source only nine CW-21Bs were operational on December 8th, 1941 [34].

The weakened 2-VlG-IV was dispersed in December 1941. Two flights went to Tjilitjan in western Java. Two others moved to Soerabaja/Perak in eastern Java. The CW-21Bs in western Java were periodically tasked to deploy to Palembang in Sumatra to stand alert to cover convoys passing through the Sunda Straights. On 15 January 1942 eight CW-21Bs joined ten Curtiss Hawks and 14 Brewster Buffaloes in a scramble to intercept Japanese bombers approaching Palembang. The Dutch fighters failed to make contact. The same day the CW-21Bs returned to Java. This was the end of CW-21B's service outside of Java.

CW-21B in East Indies
A CW-21B in the Netherlands East Indies

As Japanese advances forced the Dutch out of Singapore and Borneo, Brewster Buffaloes withdrew to their home bases in western Java. This allowed 2-VlG-IV to concentrate in eastern Java. On 20 January 1942 the squadron was reunited at Perak with a strength of 14 operational aircraft. There it flew several false alarm scrambles. As February began the CW-21Bs still had seen no combat.

Japanese navy Zeros made a fighter sweep over eastern Java on February 2nd but the CW-21Bs based at Soerabaja/Perak were not engaged. On the following day there was a large Japanese raid. Twelve CW-21Bs were among the 25 Allied fighters scrambled. Unfortunately the CW-21Bs were dispersed in three separate formations in different patrol areas incapable of mutual support.

On this day both Zeros of the Tainan Air Group and 3rd Air Group engaged the Allied fighters but the twenty-seven Zeros of the 3rd Air Group saw the bulk of the action and claimed 33 fighters shot down including 15 "Curtiss-Wrights" or "Curtiss" fighters as distinguished from P-36s, P-40s, Buffaloes and other types that they also claimed. In addition to the CW-21Bs the only other Allied fighters involved were U.S. P-40s and Dutch Hawk 75As (P-36 type).

One flight of four CW-21Bs found itself under attack from behind by an estimated sixteen Zeros. The formation leader, 2/Lt. J. Kingma, turned into the attackers but two members of the flight went down in flames in the initial assault. Kingma claimed two of the attackers before he was shot down and saved himself by bailing out. Sgt. H.M. Haye also claimed a Zero but returned to base in a badly damaged fighter.

A second flight consisted of only three CW-21Bs after the fourth member was delayed in take off. Zeros also jumped this flight. Without inflicting any loss on the enemy, one CW-21 went down to a crash landing and two others landed in a damaged condition one with a badly wounded pilot. The fourth member of the flight mistakenly joined up with Zeros instead of his flight companions. Ens. D. Dekker claimed to have scored hits on a Zero before others sent him down in a crash landing.

The third flight under Anemaet did not encounter enemy aircraft until it was surprised while landing at Perak. One CW-21 was shot down and two others landed safely. Anemaet landed but ran into a bomb crater being unaware the Japanese had bombed the airfield.

The leading Japanese pilot on this occasion was the 3rd Air Group's Warrant Officer Sada-aki Akamatsu, a top-scoring ace, whose flight claimed five Curtiss fighters as well as other kills during this action. The 3rd Air group lost three pilots and some or all of these may well have been victims of 2-VlG-IV.

Two days later the Interceptors were again taken by surprise and confronted overwhelming odds. Anemaet led just four CW-21Bs into the air. Their opposition was 27 Zeros of the Tainan Air Group. The Dutch pilots reported being attacked by 26 fighters. They had no opportunity to dogfight but in taking evasive action Anemaet claimed a Zero shot down. One CW-21B went down in a crash landing and one returned to base badly damaged.

With twelve aircraft destroyed or badly damaged 2-VlG-IV was temporarily hors de combat. Within a few days reinforcements and the repair of two aircraft brought the strength of the squadron to six aircraft. Hurricanes were arriving in Java to equip the Dutch squadrons and Anemaet was ordered to take 2-VlG-IV to Andir in western Java to reform on Hurricanes with the CW-21Bs operating as an attached flight. A few days later the squadron moved to Kalidjati not far from Andir. In western Java the CW-21Bs encountered the Japanese Army Air Force and suffered its first losses at their hands. Two CW-21Bs under repair at Andir were lost in a bombing raid probably on 19th February.

February 24th proved another dark day for the CW-21Bs. Four of them scrambled along with Hurricanes of 2-VlG-IV. Twenty-seven Type 1 fighters of the 59th and 64th Flying Regiments reported encountering seven Hurricanes and two "P-43s." Both CW-21s were lost with Ens. D. Dekker killed and Sgt. H.M. Haye crash-landed. As if this were not bad enough Lt. W. Boxman, the Interceptor flight leader, was shot down apparently by friendly ground fire and a fourth CW-21B was destroyed on the ground in a subsequent bombing attack.

On Java the military situation for the Allies was going from bad to worse. On February 28th/March 1st Japanese troops came ashore in both east and west Java. On the 1st of March CW-22 Falcon general purpose/reconnaissance aircraft were pressed into service as light bombers. At Maospati airfield two CW-21Bs in storage were destroyed by Allied troops to prevent them from falling into Japanese hands.

In western Java the CW-21Bs were still operating and on March 2nd four of them scrambled with three Buffaloes of 3-VlG-V to confront about twenty Type 1 fighters of the 59th Flying Regiment. During this fight Lt. Boxman bailed out of his stricken Interceptor and was badly burned. His was the only Dutch loss. One Type 1 fighter also failed to return.

On March 3rd three CW-21Bs joined three Martin bombers in attacking Kalidjati their former base now occupied by the Japanese. The Japanese reported a Type 97 heavy bomber was burned during attacks there. Shores [note 34] who is the primary source for the narrative of combat operations of the CW-21B in this article provides no information on subsequent operations by CW-21Bs. Casius mentions other operations but, at a minimum, his dates appear inaccurate and the reports are probably confused. Official cable reports on N.E.I. operations provide no additional details and in one case (2nd March) apparently garble the number of CW-21Bs available for operations [35]. The attack on Kalidjati was probably the last combat mission of the CW-21B. If correct, this is not surprising since March 7th was the last recorded combat mission of any Dutch aircraft in Java and formal capitulation soon followed.

The last combat mission did not signify the last flight of the Interceptor. At least one CW-21B was captured by the Japanese in a condition capable of flight operations. One CW-21B was shipped to Japan. It was sent to the test center at Tachikawa, adorned with the tail markings of that organization, and flown there. The British found an intact CW-21B at Singapore in 1945. It bore the tail markings of the Tachikawa test center and may have been the same aircraft sent to Japan in 1942.

Continued in part 6