Pilot September 2017

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34 | Pilot September 2017 http://www.pilotweb.aero

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In dry air at 20°C 1 bsound travels at 343.2 metres per second - 5 seconds per nautical mile at sea level. So the storm

producing that lightning could be just five miles away. It is safer not to start a flight whenever you can see lightning or hear

thunder, even in the distance2 c

“Standby” means 3 c“Wait and I will call you”. It is not an approval or a denial. If there is an unduly long delay, the caller is

But the chances of a permitted to re-establish contact4 c

pilot spotting an approaching aircraft as far away as 4nm are minimal. Airprox research shows that normally a pilot needs

anything from 9 to 12.5 seconds from spotting another aircraft to processing the closure geometry and

manoeuvring to avoid a potential collision. There may be only 5 seconds or so between your eyes detecting an aircraft

(^) head-on and impact 5 d6 a
The UK Royal Air^2003 7 aFo rce b
Hawker Aircraft The Messerschmitt cCompany (a single-seat fighter/bomber, nicknamed the ‘Tiffy’ by the RAF) d
Bf108 sport and touring aircraft was known as the Taifun (‘Typhoon’ in German)
are both close dand And that is about 8 a approximations to the specified distance9 d
10 c issue: 70mph, the equivalent of a Force 12 hurricane blowing verticallyJune
Answers of was McKeown (^) May’s winner DermotLydden
July 2017 | Qu
‘Air brained’ is largely about promoting safety, so we are proud to be sponsored by Airbox, makers of RunwayHD. The winner will be the sender of the first correct answer drawn at random from all entries
submitted to sender’s postal address for shippinAir Brained’ entered as their subject anclosing dateQ10 will appear in next month’s ‘A, 08 July 2017competitions@pilo. Emails must have ‘July twebg. The answer to ir Brained’..co.ukd include the by the
State ‘no contact’ in the address line of your email if you do not wish to receive information via email from Pilot, the publishers of Pilot or Airbox Aerospace Ltd.
WIN!RunwayHD iPad app worth £99
(^1) seconds later you heathunder. Approximately how many miles away from you is the thunderstorm?While preflighting your aeroplane you observe a flicker of lightning against a distant dark sky. Twenty-five r a rumble of
a c 2 10 b (^5) d 25
(^2) c a purple blue AVGAS 100LL in the UKWhat is the standard colour of db red straw?
a What should you do?^3 change frequency to Majorfield TWR andtry to geinstructed by them to “Standby”. Majorfield Approach when you are You have just made contact with t a reply from them
b c call Majorfield APP againdo not rwait for between 15 and 20 seconds then for them to ceply to the instruction; simply wait all you again
d G-???? sacknowledge by calling “Roger Majorfield, tanding by”
(^4) aircraft flying at 120kt.pilots spots the other aircraft at a range of 4nm, how much time do they have to A bizjet cruising at 300kt is approaching head-on towards opposite direction traf If either of the fic, a light
take action before they coc a less than 10 seconds 34 seconds 45 secondsbd 23 secondsllide?
towards a deprb a^5 geostrophic forceCoriolis forcemoving from an anticyclone Which of these forces is it that causes a parcel ession? of air to start
c d convective forcepressure gradient force
(^6) oil is stored in a separate tank and pumps are usethe engine? What is the lubricating system of a reciprocating piston aero-engine calledd to circulate it throu, where the gh
a b c circulatory systemd dry-sump systempressurised systemwet-sump system
a b to which air force was the first prdelivered? in which year did that happen?oduction Eurofighter Typhoon
d c WWII aircrwhich British company manufacturwhich German company also manufacturaft alsed an airo called Typhoon?craft called ‘Taifun’?ed a
from EGFP Pembrey (West Wales^8 these distances closely to the Without using a smartphone or calculator, try to work out by mental arithmetic whichstraight line track corresponds most of
Airport) to EGCK CaernarfonAirport, which measures 30cm on a half-million (1:500aeronautical chart ,000)
a c 94 statute miles 108 nautical miles b 300 kilometresd 81 nautical miles
(^9) enough to fly through a wcumulonimbus thunder cloud in UKcontinental European airspace?What sort of vertical air current speeds are pilots liable to encounter if they are foolhardyell-developed or
a c 280ft/min 1,600ft/min b 800ft/mind 6,000ft/min
http://www.pilotweb.aero Pilot July 2017 | 83
PHOTO: COPYRIGHT EUROFIGHTER
a c b^10 point where the main wheels lift off the runwaypoint where the aircraft can clear a 5m (15ft) obstructionpoint where the aircraft can clear a 15m (50ft) to which of these points? The takeoff distance of a landplane is measured from the start of the takeoff rol
d obstructionpoint where the aircraft can clear a 50m (150ft) obstruction
How air-brained are you?By James Allan
(^7) was delivered in April this year to the Italian Air Force (Regia Aeronautica) The 500th production example of the Eurofighter Typhoon
It seems a bit disingenuous for the
management of EGKB, with its great
heritage in aviation and its good reputation
for encouraging general aviation at all
levels, to blow its own trumpet and then
celebrate its centenary by:
 closing Runway 29/11 to allow Juliet
taxiway to be used to park bizjets, thus
depriving students and pilots of a safe
runway should the crosswind on 21/03
exceed aircraft or pilot limits
 banning piston engine operations, even
home based landings, after 7pm local
time on weekends and bank holidays,
ostensibly due to ‘ATC workload’, severely
limiting the useful range for a day trip
 allowing only one training aircraft in the
circuit at any one time
 wanting to ban training circuits at any
time, suggesting that they should be
flown at Redhill instead, thus making
training much more costly in terms of
financial and time commitment.
Biggin Hill management is happy to benefit
from the many pilots who have made great
efforts and spent large sums to train and
obtain their licences to fly the business
jets, but not to continue affording the next
generation of pilots the opportunity to
train. It is clear that Biggin Hill has truly
become Big Gin Hill! The roar of kerosene-
burning bizjets will soon be the only sound
heard, and the fine heritage of Biggin Hill
as a GA-friendly airfield will be lost and
forgotten. Biggin Hill will become another
Farnborough, training and maintenance
organisations will become unsustainable,
and another nail will be hammered home in
the coffin of GA.
The GA community at Biggin Hill has
supported the airfield management over
recent years in its development plans, and
this centennial kick in the teeth is a
deplorable betrayal of their loyalty. Perhaps
BHAL would like to comment?
A long-standing Biggin Hill pilot
One source based at Biggin Hill has told us
that the airport has also evicted the Boy
Scouts who had a base at Biggin for
something like fifty years, saying they were
not in line with the ‘new image’. And only
last year the airport’s management was
forced to make a public statement denying
persistent rumours that it was planning to
demolish blast pens that once protected
Spitfires at the historic RAF station — Ed
Thank you for yet another splendid issue
of Pilot and keeping we ‘old pilots’ up to
speed. The content was great especially
the Ron Flockhart story, the Piper M600
and the flight round the lighthouses.
David Hastings,
President,
Norfolk Vintage Pilots
Attention James Allan: your
page is always interesting but,
excuse me, ‘Regia Aeronautica’
(July’s quiz question 7) is now
‘Aeronautica Militare Italiana’.
Blue skies.
Alberto Massarenti,
Mantua, Italy
GA-unfriendly Biggin
Another great issue A misnomer
I browsed through August’s Pilot when it arrived and spotted the
editorial item and advert for the exhibition by the Guild of Aviation
Artists. Thank you for mentioning it. It seems too good an
opportunity to miss so I plan to visit the exhibition myself.
My browsing turned into a complete reading of the whole issue.
It kept me up well past midnight but it was well worth those night
hours. I remain a very happy subscriber.
Ian Brothwell
Aviation art