Chinook HC.3 ZH898 flew in formation with an ETPS Gazelle as Blackbox formation, then did several approaches of 23 and 05 at Boscombe Down callsign BDN35. The Gazelle changed to BDN34.

Another Chinook HC.3 arrived as BDN64. The serial could not be read from my vantage point but it is believed that ZH902 is the only other flier and this has recently been at Westlands, Yeovil.