David Esler

David Esler
Articles
HTF7000 From The Cockpit 
Rick Stoulil, chief pilot for Hormel Foods Corp., says: "The way the HTF7000 is set up, it works great. It is equipped with autothrottles and is very responsive [on spool-up] with very little lag. And it's really fuel efficient.
One DOM’s Tale 
The director of maintenance of a large U.S. charter/management company with experience with HTF7000 turbofans half jokes that, while the engine runs well, you do not want to borescope it.
Whatever Happened To The F109?  1
The turbofan for the USAF Fairchild-Republic T-46 advanced trainer was rated at 1,330 lb. thrust and was assigned the designation F109. But the program was canceled after the first 28 F109s were delivered.
GE’s ATP Enters The Turboprop Competition  1
Can GE’s Advanced Turboprop carve out a niche in a market dominated by P&WC’s highly successful PT6A?
P&WC’s Hot Seller 
Introduced to the market in 2012, Pratt & Whitney Canada's PT6A-140 turboprop series has achieved broad acceptance in utility and agricultural markets for both forward-fit and retrofit application on a variety of aircraft.
How Reliable Is FANS? 
It’s reasonable to ask just how reliable are FANS and its constituent parts.
Operating With FANS In Oceanic Airspace  5
What crews should know about the Future Air Navigation System
A ‘Serious Human Factors Issue’? 
While the advantages of ADS-C/CPDLC (or FANS 1/A) are legion, the datalink component is not without its pitfalls that can confuse the inattentive flight crew or one grown complacent due to the automation that characterizes the system.
It's About Efficiency 
Ultimately you're going to have to upgrade to ADS-C and CPDLC to operate above FL 280 in most oceanic airspace anyway (e.g., by Jan. 1, 2020, in the North Atlantic), but here's what you're missing out on now in the North Atlantic Track System.
Building an Oceanic Flight Plan  1
The process of creating a safe, fuel-efficient and regulatory-compliant oceanic flight plan actually begins with the compilation of a comprehensive international operations manual based on standardized procedures and best practices.
A Source For Flight Plan Formats
Looking for a new oceanic flight plan format? Mark McIntyre of Mente LLC advises: "A lot of people aren't aware that international trip planners have a variety of trip flight plan formats. You might want to request a handful of different formats and find one that suits your operation."
Operations: Toward the Electronic Plotting Chart
"We are starting to move into the paperless way of doing things," international Capt. Nat Iyengar observed.
Operations: ‘Predictable Errors’ 
Mitch Launius of Air Training International is waging a campaign against what he terms "predictable errors," especially in North Atlantic operations.
A Failed Post-MX Experience  1
In February 2002, a Gulfstream V underwent maintenance at a repair station at West Palm Beach Airport in Florida. The airplane was placed on jacks for a tire change. During the process, a maintenance tech disabled the weight-on-wheels, aka "squat" switches with wooden "Popsicle sticks" to simulate that the GV was in "ground mode" so he could access the Maintenance Data Acquisition Unit in the cockpit to troubleshoot a false overspeed warning problem.
Lessons From A Master 
Former Royal Air Force aviator O.W. "Wally" Epton, with nearly 17,000 hr. of stick time specializes in conducting functional check flights and training other pilots how to do the same in a responsible and knowledgeable way.
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