Prototypes
• Ha 141-0 - D-ORJE; original designation of the first aircraft completed with the stepped cockpit
  nacelle. Became the BV 141 V2.
• BV 141 V1 - WNr 141-00-0171; D-OTTO then BL+AU, damaged

• BV 141 V2 - WNr 141-00-0172; D-ORJE then PC+BA; chronologically, the first one built
  and the only one known under old "Ha" designation as "Ha 141"
• BV 141 V3 - WNr 141-00-0359; D-OLGA then BL+AA

Pre-series BV 141 A-0
• A-01 (V4); WNr 01010360; D-OLLE; damaged

• A-02 (V5); WNr 01010361; BL+AB
• A-03 (V6); WNr 01010362; BL+AC
• A-04 (V7); WNr 01010363; BL+AD
• A-05 (V8); WNr 01010364; BL+AE

Pre-series BV 141 B-0
The first to have BMW 801 engine. About 2 m longer and 2 m wider than A-05.
• B-01 (V9) - WNr 0210001; NC+QZ; first flown 9 January 1941, had severe structural problem
• B-02 (V10) - WNr 0210002; NC+RA; first flown 1 June 1941
• B-03 (V11) - WNr 0210003; NC+RB
• B-04 (V12) - WNr 0210004; NC+RC
• B-05 (V13) - WNr 0210005; NC+RD
• B-06 (V14) - WNr 0210006; NC+RE
• B-07 (V15) - WNr 0210007; NC+RF
• B-08 (V16) - WNr 0210008; NC+RG
• B-09 (V17) - WNr 0210009; NC+RH
• B-10 (V18) - WNr 0210010; NC+RI

Series BV 141 B-1

• WNr 0210011; GK+GA
• WNr 0210012; GK+GB
• WNr 0210013; GK+GC
• WNr 0210014; GK+GD
• WNr 0210015; GK+GE
• WNr 0210016; GK+GF
• WNr 0210017; GK+GG
• WNr 0210018; GK+GH
• WNr 0210019; GL+AG; rebuilt D-OTTO
• WNr 0210020; GL+AH; rebuilt D-OLLE

Sources:
Brown, Eric, Captain - Wings of the Luftwaffe , 1979, Airlife Publishing Ltd., Shrewsbury
Gunston, Bill & Wood, Tony - Hitler's Luftwaffe , 1977, Salamander Books Ltd., London
The Complete Encyclodepia of World Aircraft, 1997, Barnes & Nobles Books, ISBN: 0 7607 0592 5
Wikipedia - Blohm & Voss Bv 141