HP d212 Manual do Utilizador descarregar pdf (Página 110)

FMS-D212-725-1

Page 4-3

This document is private and confidential and is supplied on the express condition that it is not to be used for any

purpose or copied or communicated to any other person without written permission from Dart Aerospace Ltd.

Revision:

TC Approved Date: 07.11.30

Section 4

Performance Data

4.1 Engine Operation Check Charts

A Maximum Power Check chart (Figure 4-1) is provided to aid the pilot in

determining engine condition based on the relation of altitude/temperature

and maximum power (maximum torquemeter pressure).

If this check is satisfactory, published Flight Manual performance can be

equaled or bettered depending on how much the installed engine is better

than the theoretical “specification engine” on which the published

performance is based. Check can easily be made by using normal cockpit

instruments, and the methods described herein.

As an alternative to the Maximum Power Check chart (Figure 4-1), Power

Assurance Check charts (Figure 4-2 and 4-3) are provided to determine if the

engine can produce installed power required to meet the published

performance data. Figure 4-2 applies to the T5317A engine and Figure 4-3

applies to the T5317B/BCV engine. The power assurance check shall be

performed at a hover.

A power assurance check should be performed daily. Additional checks

should be made if unusual operating conditions or indications arise.

If engine does not meet requirements of power assurance check, published

performance may not be achievable. The cause should be determined as

soon as practical. Refer to Engine Maintenance Manual.

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HP d212 Manual do Utilizador Página 110