P.W.S.26 Junak 
One P.W.S.26 biplane trainer obtained in September 1939 when a Polish Air Force example fled to Bulgaria following the collapse of the Polish Government. Used by the Aeroplane School at Sofia-Vrazhdebna for the training role. Date withdrawn from service not known. Reports of a number of P.W.S.26 aircraft being exported to Bulgaria have not been substantiated. Junak = Hero.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
			Sept 1939

References:

• Polish Aircraft 1893-1939 (Putnam) pp424
• Air Power of the Kingdom of Bulgaria Part III
• Sojusznicy Luftwaffe I

P.Z.L. P.24B Yastreb 
Fourteen (12?) P.24B gull-winged monoplane fighters ordered in 1937 and delivered early in 1938. 930 hp Gnome-Rhone 14Kfs engine. Used by the Fighter Yato of the Training Orliak at Sofia-Vrazhdebna unit for the fighter role. Majority of aircraft reportedly grounded for lack of spares by mid-1940. Withdrawn from service in 1941. Airframes still at Vrajdebna in 1942 - stored? Fuselage codes carried include 11, 22 and 33. Yastreb = Hawk.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
1			1938	named 'Simeon Kniaz Trnowski' on 27 June 1937
2			1938
3			1938
4			1938
5			1938
6			1938
7			1938
8			1938
9			1938
10			1938
11			1938
12			1938
13			1938
14			1938

References:

• Polish Aircraft 1893-1939 (Putnam) pp206-209
• Combat Aircraft of World War Two (Arms & Armour 1977) pp184
• Air Power of the Kingdom of Bulgaria Part III
• Wings of Fame Vol.13

P.Z.L. P.24C Yastreb 
Twenty P.24C ordered in 1938 and delivered by the end of 1938. 930 hp Gnome-Rhone 14Kfs engine. Used by ? unit for the fighter role. Majority of aircraft reportedly grounded for lack of spares by mid-1940. Withdrawn from service in 1941. Yastreb = Hawk.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938
			1938

References:

• Polish Aircraft 1893-1939 (Putnam) pp210
• Combat Aircraft of World War Two (Arms & Armour 1977) pp184
• White Eagles (Hikoki) pp291

P.Z.L. P.24F Yastreb 
Twenty-six (25?) P.24F ordered in 1938. Twenty-two aircraft delivered by July 1939. Remaining four aircraft delayed at factory awaiting French propellers and damaged in Luftwaffe attacks on Poland in early September 1939 - not delivered. 970 hp Gnome-Rhone 14N07 engine. Used by ? unit for the fighter role. Majority of aircraft reportedly grounded for lack of spares by mid-1940. Withdrawn from service in 1942. Yastreb = Hawk.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939
			July 1939

References:

• Polish Aircraft 1893-1939 (Putnam) pp210
• Combat Aircraft of World War Two (Arms & Armour 1977) pp184
• White Eagles (Hikoki) pp291

P.Z.L. P.43 Chayka 
Twelve P.43 (not P.43A) ordered early 1936 and delivered from late 1937. Developed version of the P.23B with longer fuselage and 930 hp Gnome-Rhone 14Kfs engine. Used by the 2nd Army Yato of the Training Orliak at Sofia-Vrazhdebna and later Yambol for the light bomber/reconnaissance crew training role. Withdrawn from service in 1944. Military type number 7139. Chayka = Seagull.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
1			1938
2			1938
3			1938
4			1938
5			1937
6			1938
7			1938
8			1938
9			1938
10			1938
11			1938
12			1938

References:

• Polish Aircraft 1893-1939 (Putnam) pp192-194
• Combat Aircraft of World War Two (Arms & Armour 1977) pp184
• PZL.23 Karas
• Air Power of the Kingdom of Bulgaria Part IV
• Wings of Fame Vol.13

P.Z.L. P.43A Chayka 
Forty-two (36+6) P.43A (not P.43B: "P43A" marked on the top of each fin!) ordered in 1938. Variant of the P.43 with 970 hp Gnome-Rhone 14N01 engine. Twenty-four aircraft delivered March-April 1939, twelve more delivered May-August 1939, while the remaining six aircraft were crated for delivery in late August 1939 but were then taken over by the Polish Air Force for use against the imminent German attack. Four P.43As were captured by the Germans at the PZL factory in Warsaw in September 1939. Two were repaired and the first was delivered to Bulgaria in early 1940. The second aircraft was evaluated by the Luftwaffe at Rechlin before being delivered to Bulgaria in October 1940. A total of 38 P.43As were actually delivered. Used by three Yatos of 1. Army Orliak at Bozhurishte for the light bomber/reconnaissance role. Withdrawn from service in 1944. Military type number 7139. Chayka = Seagull.

Serial	c/no.	Prev. Identity	Delivered	Fate/Notes
13			Mar 1939
14			Mar 1939
15			Mar 1939
16			Mar 1939
17			Mar 1939
18			Mar 1939
19			Mar 1939
20			Mar 1939
21			Mar 1939
22			Mar 1939
23			Mar 1939
24			Mar 1939
25			Mar 1939
26			Mar 1939
27			Mar 1939
28			Mar 1939
29			Mar 1939
30			Mar 1939
31			Mar 1939
32			Mar 1939
33			Mar 1939
34			Mar 1939
35			Mar 1939
36			Mar 1939
37			May 1939
38			May 1939
39			May 1939
40			May 1939
41			May 1939
42			May 1939
43			May 1939
44			May 1939
45			May 1939
46			May 1939
47			early 1940	to Polish AF before delivery, damaged but repaired, delivered by Germany
48			Oct 1940	to Polish AF before delivery, evaluated by Luftwaffe at Rechlin, delivered by Germany
-			n/a	to Polish AF before delivery, soc Sept 1939
-			n/a	to Polish AF before delivery, soc Sept 1939
-			n/a	to Polish AF before delivery, soc Sept 1939
-			n/a	to Polish AF before delivery, soc Sept 1939

References:

• Polish Aircraft 1893-1939 (Putnam) pp194-195
• Combat Aircraft of World War Two (Arms & Armour 1977) pp184
• Air Power of the Kingdom of Bulgaria Part III
• PZL.23 Karas
• Air Power of the Kingdom of Bulgaria Part IV
• Wings of Fame Vol.13