Alternates Flashcards
When is a take off alternate required
When the reported weather at the departure airport is below published landing minimums(cat 1)
Requirements for take off alternate
Not more than one hour from departure airport
At normal cruising speed in Stil air
One engine in operative
250 nautical miles
Can we be dispatched using RNAV only approaches at both the destination and alternator AIRPORTS?
No!!
The operator cannot base the dispatch oo RNAV only approaches and both the destination an alternate airport
What is the definition of a suitable runway
A runway that can be expected to be used at the ETA
Where is suitability applied
At the destination when using 3585
Alternate mins using the two navaid rule
Alternate airports minimums for airports with one operational navigational facility providing a street in non-precision approach or cat1 precision approach?
+400 to MDA or DH
+1 sm to Landon minimum.
400 and 1
Alternate minimums for airports with at least two operational navigational facilities each providing a Street in approach procedure to different SUITABLE runways
+200 to higher DA or MDA
+ 1/2 sm to the higher
When is suitability applied
Destination airport using 3585
Alternate minimums with two navigational facilities(400/1)
Can RNAV and GPS. Approaches be used to determine alternate weather minimums?
YES!!
Provided it is not been used to dispatch to the destination
Minimum alternate fuel
1200 pounds
Minimum reserve fuel
2800 pounds
To alt distance?
250nm (700/900)
