HAC Oil & Gas IBP - Helicopter Association of Canada

5.1.5. ICAO Performance Class5.1.6. For passenger transport, Performance Class 1 helicopters should be given preference.When not available Performance Class 2 should be the next selected and if neither availablePerformance class 3 helicopters can be used subject to risk analysis. For operations carryingmore than 9 passengers, Performance Class 3 helicopters are not recommended.5.1.7. External load operations should only be conducted with a helicopter for which anapproved Supplement to the aircraft Flight Manual for external load operations exists and whichis in compliance with this Supplement.5.1.8. Helicopters should have engine trend analysis recorded and reviewed on a weekly basisby technical staff.5.1.9. See section 9.2 for detailed performance planning requirements.5.2. Multi-engine helicopters5.2.1. In congested, built up areas, the helicopter’s One Engine Inoperative (OEI) performanceshould be such that the Hover Out-of-Ground-Effect (HOGE) is achievable without an externalload attached.5.2.2. The maximum load permissible should be calculated by referencing HOGE performancecharts for that density altitude. The aircraft should still be capable of OEI flyaway performanceafter jettisoning the external load.5.2.3. In calculating HOGE or one engine inoperative (OEI), no credit should be allowed forforecasted winds of less than 10 knots and no more than half the forecasted wind thereafter.5.3. Single-engine helicopters5.3.1. See 5.1.4.and 5.1.7 and 5.1.8 above.5.3.2. The maximum load permissible should be calculated by referencing HOGE performancecharts for that density altitude. Account should be taken of the additional power required totransition to forward flight over and above that required to hover OGE.OGC IBP | Revision Date: Sept 2009 DRAFT14