August 2012 - Indian Airforce

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Wg Cdr Vinayak Sharma & Sqn Ldr S Srinidhi 4 The Ornithology Cell often receives calls from Aerospace Safety functionaries saying that the bird environment has suddenly changed at the aerodrome. While this is quite appreciable, what is diffi cult is the quick fi x solutions that are demanded from the Cell to keep those birds away. What needs to be appreciated is the fact that the environment does not change suddenly. If one has a fair knowledge of what has happened in the previous years, it will be fairly easy to predict the future, rather than be surprised. Consider some of the following examples:- Station ‘A’- A Bird Strike (BS) took place over one of the dumb bells on 29 Jun 2011 and <strong>2012</strong>. The likelihood of an incident was told through a cautionary to the station. Station ‘B’- In the year 2010, the station reported nine bird strikes. Similarly, the station had 9 bird strike incidents in 2011. All the incidents had taken place during low level missions. It is not that the bird environment had changed suddenly. One aerodrome reported 14 BS in a year and only one BS in the succeeding year. There is another aerodrome which reported nil bird strike for two years and 15 BS(equal to total number of BS reported in preceding fi ve years) in the succeeding year. In Aerospace Safety A u g u s t 2 0 1 2 yet another station, no BS was reported for two years but the same base reported three BS in three months. Cyclone based heavy rains or similar weather phenomena do disturb the general bird activity pattern causing sudden changes. However, other environmental changes, though dynamic, are fairly slow. Understanding the past and predicting the future to gear up for handling the tough job of Bird Hazard Management in the present, is a challenge by itself. Making such predictions based on objective assessment is even tougher and time consuming. But, it is worth it. It is something akin to the amount of time spent looking at various car catalogues, their costs and features before buying them. An objective assessment will never make you repent while subjective decisions can. An attempt has been made here to give an outline for assessing the changing environment objectively. The process has been termed Airport Bird Hazard Risk Assessment Process (ABHRAP). The bird environment is a complex system with numerous dynamic parameters interacting simultaneously. It is a tough job to put them all together and prepare a model of bird activity to predict and take pro-active measures. However, certain basic parameters have been worked out for a fair understanding and a fl ow chart presented here. INDIAN AIR FORCE
AIRPORT BIRD HAZARD RISK ASSESSMENT PROCESS RUNWAY USED BY AIRCRAFT IDENTIFY LOCAL BIRD SPECIES DEPICT AIRCRAFT APPROACH PATHS ON MAP LOG RECORD ON AIRCRAFT MOVEMENT LOG RECORD OF AIRCRAFT MOVEMENT COLLECT DATA OF BIRD SPECIES CROSSING APPROACH PATHS AND RUNWAY IDENTIFY BIRD SPECIES STRIKING FLIGHTS AND ANALYSE THE DAMAGE CAUSED IDENTIFY THREAT SPECIES IDENTIFY POTENTIAL BIRD ATTRACTING AREAS DEVELOP BIRD HAZARD PREVENTION STRATEGY AGAINST THREAT SPECIES AND MONITOR ACTIVITY OF ALL BIRDS INDIAN AIR FORCE 2 0 1 2 A u g u s t Aerospace Safety 5
Page 1 and 2: August 2012 AEROSP CE Safety Ornith
Page 3 and 4: Editorial or a pilot, hearing a ‘
Page 5: probability of their strike. This w
Page 9 and 10: In addition, one Bird enthusiast at
Page 11 and 12: For those who can recall, we had wr
Page 13 and 14: Pigeons are highly adaptive to huma
Page 15 and 16: of hangars may not ensure that they
Page 17 and 18: advanced brain like yours. But, we
Page 19 and 20: available. however, that was remedi
Page 21 and 22: an untrained eye. (Guidelines for n
Page 23 and 24: ook showed the presence of a small
Page 25 and 26: Wg Cdr Vinayak Sharma & Sqn Ldr S S
Page 27 and 28: A few years later, a pioneering stu
Page 29 and 30: equipment un-economical. After the
Page 31 and 32: It was a sunny morning, with the mi
Page 33 and 34: was go down to the mess dump for br
Page 35 and 36: when the aircraft was taxing-in, th
Page 37 and 38: the aircraft reported birds on fi n
Page 40: WHAT APPROACH? TO AVOID BIRD STRIKE

August 2012 - Indian Airforce

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