LVP’s Flashcards
Why do we have the generators turned on for arrivals during LVO 1 (when RVR reaches 800m) or LVO 2?
Due to the requirement to have a change over to an alternate power source of less than 1 second, as the generator takes longer to switch on than this then the only viable option is to have the generator as the primary source of power with the mains acting as the alternate
What are the Met criteria for all LVO conditions?
RVR’s;
Normal ops- RVR less than 2000m but equal to or greater than 1500m and/or C.C less than 500ft but greater than 300ft (and expected to reduce further)
Safeguarding- RVR less than 1500m but equal to or greater than 1000m and/or C.C less than or equal to 300ft but greater than 200ft
LVO 1- RVR less than 1000m but equal to or greater than 400m
LVO 2- RVR less than 400m
When do we switch on the generators?
When the RVR is less than 800m and;
For inbounds once Stansted Director has co-ordinated the inbound release, or another aircraft inbound from the FIR makes initial contact
For departures prior to the aircraft taxiing.
In effect we don’t need the generators on for the whole period where the RVR is less than 800m, just when aircraft are moving.
Describe what happens during normal ops LVO
Safeguarding Actions
ATC will issue IRVR’s and advise airport operations of the likely requirement for safeguarding. No further action required.
Aircraft
Normal Ops
Vehicles
Normal ops
Personnel
Normal Ops
Describe what happens during Safeguarding
Safeguarding actions
- Inform ADM that safeguarding action is required.
- Advise ATE that routine maintenance on navigation aids is to be suspended. ILS critical areas are to be cleared of all obstructions
- Close runway 05/23 Grass
- Instruct all non-essential vehicles and personnel to vacate the manoeuvring area.
- Withdraw all aircraft, vehicles and personnel from the south side of the main runway.
- Taxiway J to be blocked at the holding point and L blocked at L2 with markers and lights provided.
- The blocks that are permanently placed on the peri-track just to the east of crash gate 2 are to prevent access to the south side of the runway. A visual check must be carried out to ensure that these are in place.
- Suspend airside work in progress in accordance with individual works permits.
- Suspend the use of the compass base in consultation with ATC and Airport Ops.
- Broadcast Airport Safeguarded on the GMC channel.
Aircraft
Normal ops
Vehicles
Normal Ops
Personnel
Use of pedestrian walkways and crossing permitted
Describe what happens during LVO 1
Safeguarding actions
- Authorised vehicle conducts an inspection prior to every arrival and departure
- Essential vehicles only operating on the manoeuvring area.
- APP- Shall not permit an aircraft to leave the IAF and commence an instrument approach until;
- A previous arrival has landed and is continously visible to ADI or has reported on stand vacated the runway (this is not my bad grammar have verbatim lifted this from the LVO procedure as it has a few errors)
- Or until a departing aircraft has reported, or is observed to be airborne.
- Direct or self-positioning approaches avoiding the IAFs are not permitted.
- APS- Shall not permit an aircraft making an instrument approach to establish at less than 8 track miles from touchdown until;
- A previous arrival has landed and is continously visible to ADI or has reported on stand.
- Or until a departing aircraft has reported, or is observed to be airborne.
- Direct or self-positioning approaches avoiding the IAFs are not permitted.
- Switch on stand-by generator when the RVR reaches 800m
- All vehicle free ranging is suspended
- Use of compass swing base suspended.
- Broadcast “low visibility operations in force” on GMC channel
- Report “Low visibility Procedures in force” on the ATIS.
Aircraft
One aircraft ground movement at a time with a ‘follow me’ if necessary
Vehicles
Free ranging withdrawn
Personnel
Use of pedestrian walkways permitted
Describe what happens during LVO 2
Safeguarding actions
- Arrivals and departures to be suspended
- Turn all Airport Traffic lights to red
- GRE use suspended
Aircraft
Arrivals and departures suspended
Vehicles
Free ranging withdrawn
Personnel
Use of pedestrian walkways crossing the manoeuvring area is restricted
What are the met criteria for normal ops in LVO?
RVR less than 2000m, equal to or greater than 1500m and/or C.C less than 500ft but greater than 300ft and expected to reduce further
What are the Met criteria for Safeguarding?
RVR less than 1500m but equal to or greater than 1000m and/or the C.C less than or equal to 300ft but great her than 200ft
What are the met criteria for LVO 1?
RVR less than 1000m but equal to or greater than 400m and/or the C.C is equal to or less than 200ft
What are the Met criteria for LVO 2?
RVR less than 400m
