Page 6 - April 2018

SL721, One of the World’s Most Original Runway Extension or Rehabilitation: During
Airworthy Spitfires, Finds New Home in runway extension projects – or rehabilitation
Europe projects with a temporary threshold relocation – ,
instrument flight procedures are often affected.
Depending on the type of approach and specific
circumstances, preserving aerodrome accessibility
may require NAV CANADA to temporarily re-design
an existing procedure or develop a new temporary
“mitigation” procedure. Some procedures may not
be useable during construction regardless of any
mitigation, so early communication about these
issues is also vital.
New Buildings: Construction of a new building even
in an area with existing development may cause
unexpected issues to instrument flight procedures or
ground-based navigational aids. Certain equipment
is especially sensitive to changes in the aerodrome
environment and the cumulative impact of
development must be considered rather than just the
new structure itself.
Supermarine Spitfire XVI SL721, formerly operated by Vintage
Wings of Canada in Ottawa, has been sold to an enthusiast and Runway Certification: The approach minima
will be making its way to a new home in Belgium. published by NAV CANADA in directly affected by
runway certification information furnished by the
SL721 was built in August 1945 and delivered to the RAF, aerodrome operator. Changes to runway
where it became the personal aircraft of Air Chief Marshall Sir certification – even temporarily for a short period of
James Milne Robb, a WW1 pilot who served as Commander-In- time – may necessitate revisions to instrument flight
Chief – Air Forces Europe following WW2. The Packard Merlin procedures and impact aerodrome accessibility.
266/R55-powered machine was sold in 1967 and transported Digging/Trenching: Certain ground-based
to the US, where it would stay until 2002, when it was navigational aids are calibrated to the specific
acquired by Vintage Wings of Canada.
terrain profile of the site and digging or trenching
Today it is considered one of the most original airworthy can impact this equipment. NAV CANADA can offer
Spitfires in the world. some guidance prior to your Land Use submission
Details regarding a home base and future plans are reportedly so that the operational impacts can be identified at a
forthcoming. high level, NAV CANADA can anticipate the
potential work, and your Airport can plan for the
NAV CANADA level of effort associated with it.
Even if you don’t have all the details and approvals
in place, send our Land Use group a quick email

Letter to the Editor message so a “discovery” call can be initiated. We
look forward to working with you!
Thank you for this - I can never get tired looking at The NAV CANADA Land Use group contact
pictures of warbirds and airplanes of all kinds. Some of information: landuse@navcanada.ca or toll-free at
these are classics - I was always fond of the P-40 1-866-577-0247.
Tomahawk, and the early editions of the P-51 Mustang. I Jackie McCarthy
was so pleased to see your e-mail today and just now had Manager, Commercial Services | Gestionnaire,
time to open it and enjoy. Services commerciaux
I look forward to seeing future editions. Thank you again. NAV CANADA
Bryan lancasj@navcanada.ca

Well-known milestones in his career: the building of
the West Wind, a Curtiss-type bi-plane, near Calgary
(1914); the first Canadian to jump from a plane