|Rochester Photo Negative
|Airflow and Direction Sensor, Electronic Processor Unit and Display with the development team
|Merlin AW101 (EH101) AH-64 Apache A129 Mangusta
|circa 8 Mar 1979
|Negatives Cabinet PW ("W" Negs) [RAA Office]
The group picture shown here is an early one of the team and may be of the first delivery of the system.
The second picture shows the three units in the system and a Circuit Board. The Display is unusual and is described in Reference C0322.
The system has had various iterations initially as Low Airspeed Indicating and Sensing (LASSIE) for the Bell AH-1S and was first mentioned in Company literature in 1973. Later versions were supplied for the EH101 for the Royal Navy and the Italian Mangusta. In 1985 the team from ISD responsible for the Italian Mangusta programme was headed by Simon Hellyer, Project Manager Helicopter Air Data Systems. The system has been marketed as 'Helicopter Air Data System (HADS) and High Integration Air Data Computer (HIADC)
These images are incorrectly labelled in Company records as 'Handover of the first AQS-901 on 2nd March 1979'