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Flight of two, IFR



 
 
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  #1  
Old March 19th 04, 03:10 AM
Doug
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Default Flight of two, IFR

Is it possible for a "flight of two" to file and fly an IFR flight plan?
  #2  
Old March 19th 04, 03:23 AM
Steven P. McNicoll
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"Doug" wrote in message
om...

Is it possible for a "flight of two" to file and fly an IFR flight plan?


Yes.


  #3  
Old March 19th 04, 05:22 AM
Dave S
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Im sure the military does it all the time..

However.. practically.. WHO is going to be responsible for separation on
a formation flight if it goes IMC? The military has procedures that
address this.. i am curious to know if the US civil sector does, and
I've not seen anything pertaining to it..

Anyone care to expand on the DETAILS of actually doing a formation under
IFR in IMC or VMC?

Dave

Steven P. McNicoll wrote:

"Doug" wrote in message
om...

Is it possible for a "flight of two" to file and fly an IFR flight plan?



Yes.



  #4  
Old March 19th 04, 06:46 PM
John R Weiss
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"Dave S" wrote...
Im sure the military does it all the time..

However.. practically.. WHO is going to be responsible for separation on
a formation flight if it goes IMC? The military has procedures that
address this.. i am curious to know if the US civil sector does, and
I've not seen anything pertaining to it..

Anyone care to expand on the DETAILS of actually doing a formation under
IFR in IMC or VMC?


Indeed, the military has numerous procedures that address IFR flight in
formations. I'm sure the Army, Navy, and Air Force have their own specific
procedures, but in general:

It begins with dedicated VMC formation flying practice early in training,
then expands to IFR/IMC formation procedures. In an IFR formation, the flight
is treated by ATC as a single airplane. Responsibility for separation between
the separate elements in the flight is on the formation leader.

It is possible and permissible to fly an approach and landing in formation
with tactical (small) aircraft. Generally, IFR formation landings are limited to
2 airplanes, and approach minimums may be higher than those for single aircraft.

When weather is below formation approach & landing minimums, the flight will
separate into 2 single-aircraft flights prior to the approach. It is
essentially the same as one of the airplanes asking for a "popup" IFR clearance.
The flight remains together (either enroute or in holding) until the separate
clearances are obtained. Then the second aircraft starts squawking his own
discrete code and follows his own clearance with regard to altitude and route.

I don't know if there are separate civil procedures; the concept should be the
same. However, I don't know how the FAA looks on intentional civil IFR/IMC
formation flight in the first place, especially with regard to FAR 91.13...


  #5  
Old March 19th 04, 09:15 PM
Andrew Gideon
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John R Weiss wrote:

Responsibility for separation
between the separate elements in the flight is on the formation leader.


How does that work? Is visual contact required, or can this be done
electronically?

- Andrew

  #6  
Old March 19th 04, 11:02 PM
John R Weiss
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"Andrew Gideon" wrote...

Responsibility for separation
between the separate elements in the flight is on the formation leader.


How does that work? Is visual contact required, or can this be done
electronically?


In most cases, visual separation. However, when working in altitude blocks, as
with larger tanker/receiver formations, some of the separation may be done with
air-to-air radar. Even in that case, though, the visibility must be good enough
for visual rendezvous in close.

  #7  
Old March 20th 04, 12:59 AM
Stan Gosnell
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Andrew Gideon wrote in
online.com:

How does that work? Is visual contact required, or can
this be done electronically?


Visual. It's rare for the visibility to be so low as to be
unable to see past the wingtip. And military formation flights
are very close together. Helicopter formations have to be a
little further apart, but I've flown in formation IFR in UH1s.
It's not really that difficult in most cases, at least no more
difficult than flying a tight formation in the first place. We
also used to fly night formations without lights, using only the
cockpit instrument lights of the ship we were flying on, with
10+ ship formations, landing to completely unlit LZs with one
strobe to mark the landing site for the lead. Not fun, not
smart, but we were young and stupid and drawing flight pay. The
ones I felt sorry for were the grunts in the back.

--
Regards,

Stan
  #8  
Old March 19th 04, 11:38 PM
Steven P. McNicoll
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"John R Weiss" wrote in message
news:RlG6c.39299$JL2.454869@attbi_s03...

I don't know if there are separate civil procedures; the concept
should be the same. However, I don't know how the FAA looks
on intentional civil IFR/IMC formation flight in the first place,
especially with regard to FAR 91.13...


The only restriction on civil formation flights is carrying passengers for
hire.


§ 91.111 Operating near other aircraft.

(a) No person may operate an aircraft so close to another aircraft as to
create a collision hazard.

(b) No person may operate an aircraft in formation flight except by
arrangement with the pilot in command of each aircraft in the formation.

(c) No person may operate an aircraft, carrying passengers for hire, in
formation flight.


  #9  
Old March 20th 04, 12:03 AM
John R Weiss
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"Steven P. McNicoll" wrote...

I don't know how the FAA looks
on intentional civil IFR/IMC formation flight in the first place,
especially with regard to FAR 91.13...


The only restriction on civil formation flights is carrying passengers for
hire.

§ 91.111 Operating near other aircraft.

(b) No person may operate an aircraft in formation flight except by
arrangement with the pilot in command of each aircraft in the formation.

(c) No person may operate an aircraft, carrying passengers for hire, in
formation flight.


Thanks.

91.111(b) applies to VFR or IFR, and as you pointed out in your other post,
civil formation flights under VFR is relatively common. However, with the
increased skill level required for safe IFR formation flight, I would expect
that in reality 91.13 would be also be cited if there were any incident or
mishap involving aircraft in IFR formation flight.

  #10  
Old March 20th 04, 07:18 AM
Ditch
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I don't know if there are separate civil procedures; the concept should be
the
same.


When I did some work for Air Combat USA (marchetti operation) , we had
procedures in place for a formation IMC recovery. I was bummed that I never got
to execute it.
I have done civilian IMC formation before.
Really not that big of a deal if you are profecient at formation flying, as
flying realatively tight is a prerequisite.




-John
*You are nothing until you have flown a Douglas, Lockheed, Grumman or North
American*
 




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