What destination weather is required to take off on a 135 flight?
Cannot t/o unless current or forecast weather at ETA is at or above IFR landing minimums.
What are the weather requirements to begin an instrument approach (135)?
What does OPSPEC C077 say about weather requirements?
Turbojet operations require an approved source of reported weather.
What does OPSPEC C064 say about the weather?
Prohibits IFR terminal operations in uncontrolled airspace (Class G) w/o an approved source of weather.
What are “Eligible On-Demand” weather requirements?
Destination or Alternate have approved weather reporting, + local altimeter.
No weather at the destination? Must declare an alternate.
What weather is controlling?
The worst weather – Chance/Occasional/Intermittent/Tempo/ Possibility
When is an Alternate required?
ETA +/- 1 hour:
What are the weather requirements for an airport to qualify as an Alternate for 135 operations?
Two different identifiers – could be the same frequency
For Alternate Filing purposes, what is a “Navigation Facility”?
A different identifier could be the same frequency, straight in approaches only, must be to a “suitable” runway – length, w/in wind limits, etc.
What are Standard IFR Take-Off Minimums?
Standard, 1 or 2 engines: 1 sm/5000RVR
NOTE: check “T” for non-standard take-off minimums
What OPSPEC covers “Lower than Standard” Take Off Minima?
Single Pilot operations are not authorized “lower than standard minimums
If you have OPSPEC C079, what else do you need for lower than standard takeoff minimums with TDZ RVR 1600/RVV 1/4sm?
Must have one of:
If you have OPSPEC C079, what else do you need for lower than standard takeoff minimums with TDZ RVR 1200/Mid 1200/Roll-out 1000?
Must have one of:
If you have OPSPEC C079, what else do you need for lower than standard takeoff minimums with an RVR of less than 1600 ft?
>RVR 1600,
When can a Single Engine aircraft use “Lower than Standard” Takeoff Minima?
Single-Engine passenger not authorized.
Could be authorized Turbine, all-cargo operations.
Can you take off with the weather at your departure field is below landing mins?
Cannot t/o if weather less than landing minimums at departure airport – unless there is an alternate airport w/in 1 hour at normal cruise (aka Takeoff Alternate).
Can you continue an Instrument Approach after the weather goes below mins past the FAF?
Yes, If at DH/MDA the actual weather (visibility) is equal to or greater than landing visibility, you may continue the approach.
What is the lowest Cat 1 landing visibility?
1800 RVR or 1/2 sm
What takes precedence, RVR or Tower Visibility?
RVR
What is needed to descent below DH/MDA?
What are Single Pilot Takeoff Minimums?
The lowest authorized straight-in Cat 1 IFR landing minimums for that airport – IF AUTHORIZED IN OPSPEC C057.
NOTE: SINGLE PILOT, NOT SINGLE ENGINE – Single Engine not authorized below Standard T/O minimums
What are the requirements for Two Pilots Takeoff Minimums (w/C057) – 1/4 mile or 1600 RVR?
CO57 Authorization:
What are the requirements for Two Pilots Takeoff Minimums (w/C057) – RVR 1200?
CO57 Authorization:
What are the requirements for Two Pilots Takeoff Minimums (w/C079) – – RVR 600?
CO57 Authorization: