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SFS January Special  For the Month of January, Fly our FAA Approved Flight Simulator For only $50.00 per hour WITH an Instructor.
January is the perfect time for Instrument training or an Instrument Proficiency Check (IPC.) Our FAA approved simulator is perfect for all stages of training.......
Private Pilot:
Part 141, A Total of 15% of Training
Instrument Training:
Part 141, A Total of 40% of Training
Part 61, 20 Hours Total of Training
Commercial Pilot:
Part 141, A Total of 20% SIM Time
Part 61, 50 Hours of Total SIM Time
The Simulator can be used For Courses beyond commercial. For more information, please contact us.
*Offer Expires: January 31, 2011
*Offer cannot be combined with any other promotion.
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Professional Pilot Training at Snohomish Flying Service
 George Sun is an Advanced Ground Instructor for Snohomish Flying School (SFS) and a retired FO and Captain for EVA Air rated in the B767, B757, B747-400, and DASH-8. George completed his professional pilot training at Snohomish Flying Service many years ago as young man and went on to fulfill his dream of flight as a career FO and Captain for EVA AIR based in Taiwan. George has logged over 11,700 flight hours with flight routes including Asia, Japan, Korea, South East Asia, Europe and the USA. George has this to say about his memories and time in training at Snohomish Flying ~ "I extend eternal thanks to the Snohomish Flying Staff with special gratitude and appreciation to Lance Harvey for bringing me to Snohomish Flying, and for his family's warm hospitality and friendship. I express sincere appreciation for the master pilot and friend, Arnold Ebneter and for the excellent training received from all the competent Flight Instructors on staff at SFS".  George Sun teaching ground school with student pilots Michael Tang, Yang Koa and Safin Lee from Taiwan. All three students are enrolled in the Professional Pilot Program at SFS.
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Notes from Chief Instructor
Peter Swift
Last month we talked about IAS - Indicated Airspeed and CAS - Calibrated Airspeed. To recap, IAS is the speed read right off the airspeed indicator. CAS is IAS corrected for installation and system errors in the pitot static system and can be found in the POH as a correction table.
Now, let's discuss TAS - True Airspeed
TAS. True Airspeed. This is CAS corrected for temperature and pressure variations in the atmosphere. As we discussed last month, the airspeed indicator is driven by the air entering the pitot and static system. However, the air mass the aircraft is operating in is not constant. The temperature and pressure changes and varies considerably with altitude. A rule of thumb is that for every 1,000 ft altitude gain the pressure drops by 1 inch of mercury and the temperature drops by 2 degrees C. Think of the airspeed indicator operating with "pieces" of air entering the indicator. As these become less due to altitude (lower pressure, the "pieces" are more spread out) or the effect of temperature, the airspeed indicator becomes less and less accurate. You can see this dramatically on your E6B. Follow the instructions on the front face for computing TAS and set up 35,000 ft, with a temperature of -50 C and an IAS of 250. Look at the TAS...a BIG difference. At the altitudes we fly the difference is not quite so dramatic, but it will make a noticeable change on a cross country flight. That is why, all flight plans require the use of TAS.
So...TAS is calibrated airspeed corrected for pressure and temperature differences and can be worked out on your E6B. Additionally, an effective rule of thumb to use at low altitudes is to take the first 2 digits of your altitude, insert a decimal point, double this number and add this to your IAS. This will give a very close approximation of your TAS. As an example, if you are cruising at 6,000 ft, take the number 6.0 multiply by 2 and then add this number, 12, to your IAS to approximate your TAS. If you are at 8,500 ft, take 8.5 and multiply by 2 to give 17, and then add this to your IAS to approximate TAS.
A very happy New Year to all, and next month we will discuss GS - Ground Speed.
Blue Skies,
Peter Swift, Chief Instructor |
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FAA Charts
Are there FAA publications that you need for your upcoming flights? Sectionals, Terminal Area Charts, Instrument Enroute and Approach plates, etc. Please remember to purchase them from Snohomish Flying Service. |
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Congratulations SFS Graduates
David Sun ~ Instrument Airplane
Stefan Schattenbild ~ Private Airplane
SFS New Enrollees
Connor L. Rhule ~ Private
Welcome Harvey Field Tenants
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Your friendly staff at
Snohomish Flying Service, Harvey Field and
Skydive Snohomish |
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"Runway Threat and Air Management" GUEST SPEAKER:
TBD - FAA Office of Runway Safety
DATE & TIME:
January 8th, 10:30 AM
SPONSORED BY:
LOCATION:
HARVEY FIELD
9900 Airport Way
Snohomish, WA 98296
(360) 568-1541 |
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HANGAR 15 FOR RENT
- Parties
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Retreats
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Conferences
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Meetings
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Banquets
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Weddings
INFORMATION 360-568-1541 Extension: 260 Ask for Cyndy |
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