AMC 25.831(c) Ventilation

• ED Decision 2003/2/RM found in: CS-25 Amdt 27 - Large Aeroplanes (Jan 2023)

AMC 25.831(c) Ventilation ED Decision 2003/2/RM 1 To avoid contamination the fresh air supply should be suitably ducted where it passes through any compartment inaccessible in flight. 2 Where the air supply is supplemented by a recirculating system, it should be possible to stop the recirculating system and – a. Still maintain the fresh air supply prescribed, and b. Still achieve 1.