EDTO Flashcards
What does EDTO stand for?
Extended Diversion Time Operations
For operations INSIDE Australian Territory, what level of ATC or airport services are required for an airport to be considered as Adequate?
CTAF is acceptable, PAL must be available if lighting is required.
Are RFFS required inside Australian Territory for an airport to be considered Adequate?
No.
What is the callout time and category of RFFS, outside of Australian Territory?
(i) 30 minutes.
(ii) Category 4.
What is a CPE? What does it signify?
Critical Point EDTO.
Equi-time point between two EDTO alternates.
What is the time from an Adequate Airport that ETOPS is considered in effect?
More than 60 minutes.
What are the conditions the 60 minutes Diversion Distance is based on?
Still air, ISA at the nominated OEI speed.
What is the 737s determined OEI Speed with regards to EDTO?
M.79/310 KIAS.
What are the 3 EDTO Diversion Strategies?
(i) Time
(ii) Fuel
(iii) Obstacle Clearance
What is the EDTO Threshold Time?
60 minutes.
What are the 3 failure scenarios considered at CPE for diversion fuel planning?
(i) One engine inoperative
(ii) Depressurisation
(iii) One engine inoperative and depressurisation
Are PROB30 conditions considered when assessing an EDTO alternate?
No.
What 5 things should be assessed prior to entering an EDTO area?
- Communications
- Serviceability
- EDTO Alternates
- Inflight Fuel Requirements
- NOTAMs
(SINCE)
What are the inflight fuel requirements?
- Trip Fuel
- FRF
- Contingency Fuel
- Holding
- Arrival Allowance
- Operational Fuel
What is the cargo fire suppression time on the 737?
195 minutes (180 minutes to land, with 15 minutes extra for holding/missed approach)
