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Hi,
Hopefully not getting too far off track but as noted by others it appears that the Finnish Airforce continued to use their B239s straight through to the end of the Continuation War with the Soviet Union (25 June 1941 – 19 September 1944 (3 years, 2 months, 3 weeks and 4 days)) [See Wikipedia].
As for the Bf109s, it is my understanding that they were not purchased until early 1943, with the first batch of 14 being delivered on March 14th of that year, and another 16 delivered on May 10th with that types first successful combat in the Finnish Airforce occurring on March 24th [see Link].
The link above notes some combined operations with both Finnish B239s and Bf109s such as an event on 21 May that appears to have included 11 Finnish Bf109s, 12 German flown Bf109s and 16 B239s. As such it does not appear that the Bf109 "replaced" the B239 in Finnish service but rather started to become their top fighter with others, including the B239, continuing to support them.
Specifically the link above also notes that during the Soviet's Summer offensive of 1944:
"During the Soviet offensive, which lasted 38 days, The Finnish Bf-109s and B-239s claimed 425 Soviet aircraft destroyed and another 78 damaged, while the Fw-190s of II/JG 54 led by Major Erich Rudorffer scored a further 126 victories."
Regards
Pat
In no way at all did the Buffalo have any performance advantage over any Japanese opponent at the altitudes the Allies fought with Buffalos, not even the Nakajima Ki-27, and definitely not compared to their most common opponents, the Ki-43 and the Zero.
The only good tactic the RAF Buffalo pilots had was to try and get a height advantage of 3000-odd feet and make a diving attack out of the sun, but because the Buffalo climbed so badly and the RAF had no early warning, the situation of diving on the Japanese rarely presented itself.
The mixed USMC Buffalo/Wildcat force at Midway had the advantages of radar. When the approaching Japanese force was detected on radar, the marines had time to get to 14,000 feet, well above it. The Japanese didn't expect to be detected and stationed their A6Ms below the strike force - they expected this would allow them to intercept the Americans as Midway's defensive fighters tried to climb. Marine survivors thought their first "free pass" at the Japanese bombers "...was quite good." As they attempted a second pass at the bombers the Zeros were among them - the rest of the story is pretty well documented.
(From BuAer interview of LtCol Ira L. Kimes, USMC -- 31 Aug 1942. Original in US National Archives)
Cheers,
Dana
You bring up a good point of the disadvantages faced by the Allied pilots flying Brewsters in the early Pacific War. The RAF machines were not well maintained, suffering all sorts of mechanical issues, from engine failure to gun failures. This I lay at the feet of the leadership. SEA was for the British a colonial backwater and suffered from all manner of shortages. This was made worse by the sad fact that it became the dumping ground for officers that were not up to snuff for the "real" war in Europe. When the Japanese attacked they simply could not shake off their peacetime mentality and respond effectively. Here I am talking about the high command as the squadrons were more than willing to fight, often being held back by staff officers who lacked initiative. This resulted in opportunities missed and aircraft lost on the ground due to failure to react in a timely fashion. Much of air fighting was at low to medium altitude. The lack of early warning certainly was a significant disadvantage for the RAF. But again, this is not the fault of the machine, but of the circumstances of its employment.
The most common fighter type encountered by RAF Buffalos was the Ki-27. Only two sentai of Japanese Army AF were equipped with Ki-43. Yes, the Zero was a formidable foe, better top speed, better acceleration, more maneuverable, and flown by the best pilots in the Pacific in 1941-1942. The RAF and Commonwealth pilots as well as the US Marine pilots simply lacked the training and experience in comparison.
PFVA63,
The Bf-109 didn't replace so much as supercede the B-239 as the premier Finnish fighter type.
"it does not appear that the Bf109 "replaced" the B239 in Finnish service but rather started to become their top fighter with others, including the B239, continuing to support them."
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