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- Aircraft; engines; engine ingestion; ICAO; FAA; birds; aircraft hazard; aircraft crash; safety management; Rolls Royce; Pratt Whitney; General Electric; airlines; bird ingestion; airport safety; flying safety; (1)
- Publication Year
Articles 1 - 19 of 19
Full-Text Articles in Poultry or Avian Science
Comment On Faa Rule Revision - Transport Category Aircraft, Paul F. Eschenfelder, Valter Battistoni
Comment On Faa Rule Revision - Transport Category Aircraft, Paul F. Eschenfelder, Valter Battistoni
Paul F. Eschenfelder
No abstract provided.
A Study Of Mexican Free-Tailed Bat Chirp Syllables: Bayesian Functional Mixed Modeling Of Nonstationary Time Series Data With Time-Dependent Spectra, Josue G. Martinez, Kirsten M. Bohn, Raymond J. Carroll, Jeffrey S. Morris
A Study Of Mexican Free-Tailed Bat Chirp Syllables: Bayesian Functional Mixed Modeling Of Nonstationary Time Series Data With Time-Dependent Spectra, Josue G. Martinez, Kirsten M. Bohn, Raymond J. Carroll, Jeffrey S. Morris
Jeffrey S. Morris
We describe a new approach to analyze chirp syllables of free-tailed bats from two regions of Texas in which they are predominant: Austin and College Station. Our goal is to characterize any systematic regional differences in the mating chirps and assess whether individual bats have signature chirps. The data are analyzed by modeling spectrograms of the chirps as responses in a Bayesian functional mixed model. Given the variable chirp lengths, we compute the spectrograms on a relative time scale interpretable as the relative chirp position, using a variable window overlap based on chirp length. We use 2D wavelet transforms to …
New Peril + Old Promises = Bad Results, Paul Eschenfelder
New Peril + Old Promises = Bad Results, Paul Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Erau Spring 2013 Newsletter, Paul Eschenfelder
Erau Spring 2013 Newsletter, Paul Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Erau Aviation Wildlife Hazard Newsletter, Paul F. Eschenfelder
Erau Aviation Wildlife Hazard Newsletter, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Aviation Wildlife Hazard - Uk Flight Safety Committee, Paul F. Eschenfelder
Aviation Wildlife Hazard - Uk Flight Safety Committee, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
High Speed Flight At Low Altitude: Hazard To Commercial Aviation ?, Paul F. Eschenfelder , Capt.
High Speed Flight At Low Altitude: Hazard To Commercial Aviation ?, Paul F. Eschenfelder , Capt.
Paul F. Eschenfelder
Commercial aircraft are capable of, and in fact, do, operate at high speed (>250 knots indicated airspeed [KIAS]) at low altitude (below 10,000’ above ground level) worldwide. Design, construction and certification standards for these aircraft were developed over 40 years ago. Since the development of these standards populations of large flocking birds have increased dramatically in many parts of the world. Yet neither design/construction standards nor operational practice have changed to reflect the new threat. Subsequent serious damage resulting from recent collisions indicates change is necessary. Since 2003, flight rules in Canada and the United States have been amended, …
Integrating Avian Radar Into The Aviation Operating Environment, Richard Sowden, Paul Eschenfelder
Integrating Avian Radar Into The Aviation Operating Environment, Richard Sowden, Paul Eschenfelder
Paul F. Eschenfelder
Avian radar technology has matured to the point where robust data and analysis tools are now able to provide the aviation industry with high quality information to support bird strike risk mitigation activities. The aviation operating environment is dynamic and challenging with complex interactions between the primary bird strike risk mitigation stakeholders; airport operators, air traffic service providers and flight crews. The transfer of this proof of concept technology into a suite of tools that is integrated into the aviation industry requires the engagement and support of the user community in the next critical evolutionary step of this emerging technology. …
Erau Aviation Wildlife Hazard Newsletter, Paul Eschenfelder
Erau Aviation Wildlife Hazard Newsletter, Paul Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Birdstrike Mitigation - Beyond The Airport, Paul Eschenfelder, Russ Defusco
Birdstrike Mitigation - Beyond The Airport, Paul Eschenfelder, Russ Defusco
Paul F. Eschenfelder
No abstract provided.
Letter To Faa Administrator Re: Usair 1549 Crash, Paul F. Eschenfelder, Russell P. Defusco Phd, Richard Sowden
Letter To Faa Administrator Re: Usair 1549 Crash, Paul F. Eschenfelder, Russell P. Defusco Phd, Richard Sowden
Paul F. Eschenfelder
No abstract provided.
Erau Aviation Wildlife Hazard Newsletter, Paul F. Eschenfelder
Erau Aviation Wildlife Hazard Newsletter, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Airport Wildlife Hazard Control, Paul F. Eschenfelder
Airport Wildlife Hazard Control, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
High Speed Flight At Low Altitude - Hazard To Commercial Aviation?, Paul F. Eschenfelder
High Speed Flight At Low Altitude - Hazard To Commercial Aviation?, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Amplied Birdstrike Risk Related To Population Increases Of Large Birds In North America, Paul F. Eschenfelder, Richard Dolbeer
Amplied Birdstrike Risk Related To Population Increases Of Large Birds In North America, Paul F. Eschenfelder, Richard Dolbeer
Paul F. Eschenfelder
No abstract provided.
Jet Engine Certification Standards, Paul Eschenfelder
Jet Engine Certification Standards, Paul Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Advice To Flight Crews Concerning Wildlife Hazards To Aircraft, Paul F. Eschenfelder
Advice To Flight Crews Concerning Wildlife Hazards To Aircraft, Paul F. Eschenfelder
Paul F. Eschenfelder
No abstract provided.
Responses Of Pre-Fasted Growing Turkeys To Acute Heat Exposure, Hongwei Xin, James A. Deshazer, Mary M. Beck
Responses Of Pre-Fasted Growing Turkeys To Acute Heat Exposure, Hongwei Xin, James A. Deshazer, Mary M. Beck
Hongwei Xin
Nicholas turkeys at the age of 15 to 16 weeks were fasted for 24 hours in a moderate environment and then subjected to acute heat exposures of various dry-bulb and wet-bulb temperatures (T^u, and T^jj). Total feed intake was not influenced by T^^ of 32*' C, 36"* C or 40° C (P > 0.10), although differences existed in dynamic feeding profiles. Total heat production rate (THP) varied quadratically with T^^, and respiratory quotient (RQ) decreased linearly with T^u,. The lower RQ values at the higher T^i^ levels may have resulted from reduced feed assimilation. No differences were detected on feed intake, …
Post-Effect Of Ammonia On Energetics Of Laying Hens At High Temperatures, Hongwei Xin, James A. Deshazer, M. M. Beck
Post-Effect Of Ammonia On Energetics Of Laying Hens At High Temperatures, Hongwei Xin, James A. Deshazer, M. M. Beck
Hongwei Xin
Leghorn layers were monitored for heat loss, feed intake, egg production and respiratory rate at various environmental temperatures (TJ after first being exposed to aerial ammonia (NH3). The initial exposure was to 10 or 60 ppm NH3 at a T, of 25 °C for 30 days to simulate a winter environmental condition in a poultry facility. Hens were then allowed to recover in an environment of 5 ppm of NH3 at a T^ of 22 °C for seven days to simulate a spring environmental condition. Birds were then placed individually in a partitional calorimeter free of NH3 at 25, 29, …