Product Certification Consultations and Publications

Engine Operation in Auxiliary Power Unit (APU) Mode

Short- and Soft Field Take-off Procedure

CS 25.979(b)(1) for “Pressure fuelling system shut-off operation check” (Applicable to A350-941)

Deviate from.ETSO-C69c, Appendix 1, Paragraph 4.37, Sea Anchor-Type II Devices by using a lower breaking strength than 500 pounds or 40 pounds times the rated capacity of the raft, whichever is greater.

Use of Single Fire Suppression Bottle Protection of APU and Baggage Compartment (Applicable to Cessna 680 BPC)

Width of Aisle (Applicable to Large Aeroplanes with fewer than 20 passengers under commercial operations)

applicable to Pressure Instruments (ETSO-C47a) and Electric Tachometer: Magnetic Drag (Indicator and Generator) (ETSO-C49b)

Use of SAE AS 8034 Rev. A instead of AS 8034, except for section 4.5.7. where the required response time of 60 msec is increased to 160 msec for menu-driven control display only, with the exclusion of dynamic data display.

applicable to Stand-alone Airborne Navigation Equipment using GPS Augmented by the Satellite Based Augmentation System (ETSO-C146a) & (ETSO-C146c)

applicable to TCAS II equipment (ETSO-C119b)