The one and only Auster B.4 demonstrating its unique capability. Briefly tested by the British army as XA177. The project was cancelled and G-AMKL was dismantled in 1956. Some parts incorporated in an incomplete replica.

The sole Auster B4 Ambulance and light freighter. First flew as G-25-2, then to G-AMKL. Tested by the RAF as XA177 but no orders were placed and it was dismantled at the Rearsby factory in 1956.