The Vanguard known as gthe ASK21 in the civillian world lost out to Viking quite simply because Schleicher could not produce them fast enough without turning over the entire production line to the Air Cadets.
ZD643 Schleicher ASK-21 21141 Delivered 14/3/83. Ex BGA2884. ACCGS, RAF Syerston. 645 VGS, RAF Catterick, 1983. RAF Kemble Stored, 7/89. Sold as BGA3704/GBN.
ZD644 Schleicher ASK-21 21142 Delivered 11/3/83. Ex BGA2883. ACCGS, RAF Syerston. 645 VGS, RAF Catterick, 1983. RAF Kemble Stored, 7/89. Sold as BGA3697/GBF.
ZD645 Schleicher ASK-21 21143 Delivered 18/3/83. Ex BGA2885. ACCGS, RAF Syerston. 645 VGS, RAF Catterick, 1983. Stored at Kemble, 5/90. Sold as BGA3674/GAG.
ZD646 Schleicher ASK-21 21144 Delivered 24/3/83. Ex BGA2886. ACCGS, RAF Syerston. Stored at Kemble, 5/90. Sold as BGA3679/GAM.
ZD647 Schleicher ASK-21 21147 Delivered 25/3/83. Ex BGA2887. ACCGS, RAF Syerston. RAF Kemble Stored, 7/89. Sold as BGA2887/ERH.
ZD648 Schleicher ASK-21 21148 Delivered 28/3/83. Ex BGA2888. ACCGS, RAF Syerston. Sold as BGA2888/ERJ.
ZD649 Schleicher ASK-21 21149 Delivered 29/3/83. Ex BGA2889. ACCGS, RAF Syerston. RAF Kemble Stored, 7/89. Sold as BGA3711/GBV.
ZD650 Schleicher ASK-21 21150 Delivered 29/3/83. Ex BGA2890. ACCGS, RAF Syerston. 618 VGS, West Malling, 2/88. RAF Kemble Stored, 7/89. Sold as BGA3705/GBP.
ZD651 Schleicher ASK-21 21151 Delivered 29/3/83. Ex BGA2891. ACCGS, RAF Syerston, 7/88. RAF Kemble Stored, 7/89. Sold as BGA3712/GBW.
ZD652 Schleicher ASK-21 21152 Delivered 29/3/83. Ex BGA2892. ACCGS, RAF Syerston. 618 VGS, West Malling, 2/88. RAF Kemble Stored, 7/89. Sold as BGA3673/GAF.