Navigate / EASA

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.