AOPA Pilot Magazine - February 2012 - 98

WXWATCH
below? Conversely, was the pilot flying above or below layers, and therefore reporting ice-free conditions? Here’s where real-time mention of any layering would be of great help to pilots planning on climbing or descending in the area—but not all pilots include this information. Sure, comments such as the following are helpful: “UA OV CLE 180030/ TM 1415/FL090/ TP E170/ TA M07/ ICG LT-MOD MIX 100-080/RM DURD” ( Translation: Over the Cleveland 180-degree radial, 30 nm; Time 1415Z; Flight Level 090 [9,000 feet msl]; Type: Embraer E170; Temperature minus 7 degrees Celsius; Icing, light-to-moderate mixed, 10,000 to 8,000 feet, Remarks: During Descent) The location, time, altitude, aircraft type, and temperature are mentioned. So is the icing type and intensity. But as complete as it is, a pilot planning a flight out of, say, the Akron/ Canton, Ohio, area with a takeoff time of 1500Z can’t count on the same conditions. This pilot doesn’t know if the conditions still persist at those altitudes, for example; if that altitude band was layered or not, or if the cloud tops were at 10,000 feet or higher. A lot can happen in an hour. As it turns out, another helpful pilot in the vicinity did turn in a pirep with tops information, saying they were in the clear at 13,000 feet just a half-hour earlier. So there’s some confirmation on that one bit of data. But there were just three icing pireps in the entire Lake Erie

region on the mid-morning in question (December 2, 2011). All of those were from regional airliners climbing to or descending from their cruise altitudes. And turbine-powered airplanes aren’t affected by icing in the way most pistonpowered airplanes are, mainly because they have the deicing systems capable of dealing with some ice situations. The solution to this data sparsity—to have more general aviation pilots flying in the lower levels of the airspace system, making tons of reports—presents obvious risks. For those of us flying airplanes not certified for flight into known icing (FIKI), one look at the sky and the thermometer and we’d stay on the ground. Just because we may not have enough timely icing pireps at the altitudes we plan to fly, and along the routes we’ve planned, doesn’t mean we’re helpless. Area forecasts mention cloud layers and tops. Satellite imagery tells us the extent of cloud masses, and infrared imagery can infer cloud top heights. Skew-T log P charts can infer the vertical extent of potential icing clouds by showing temperature/dew-point spreads aloft. Freezing-level charts show temperature contours aloft. Winds aloft information also includes temperatures aloft. METARs and TAFs can give cloud base and layer information, as well as surface temperatures. But real-time or even near-real-time information on icing setups? Icing pireps can often fall short, even though they’re considered the gold standard for verifying forecasts. But they’re the best we’ve got, warts and all.

Air Safety Institute’s Icing Safety Advisor
There is a ton of information out there addressing icing issues. But perhaps one of the most concise sources of advice comes from the Air Safety Institute (ASI). To view or download a pamphlet that touches upon virtually all the bases of this complicated subject, visit the website (www.aopa.org/asf/publications/ sa11.pdf). You’ll see a 16-page document that covers everything from atmospheric conditions conducive to icing, to strategies for avoidance—and escape—to a discussion of ice-protection systems. And yes, icing pireps and intensity levels are also covered. It’s one of a series of ASI’s free Safety Advisors, brought to you by general aviation’s most comprehensive source of information and advice.

AOPA PILOT •

98 • FEBRUARY

2012


http://www.airsafetyinstitute.org/firc http://www.airsafetyinstitute.org/firc http://www.airsafetyinstitute.org/firc http://www.aopa.org/asf/publications/sa11.pdf http://www.aopa.org/asf/publications/sa11.pdf http://www.airsafetyinstitute.org/firc

AOPA Pilot Magazine - February 2012

Table of Contents for the Digital Edition of AOPA Pilot Magazine - February 2012

AOPA Pilot Magazine - February 2012
Contents
President’s Position
Hangar Talk
AOPA Media
AOPA Action
Letters
Waypoints
Proficient Pilot
Safety Pilot
License to Learn
Pilot Counsel
Fly Well
Pilot Briefing
Rally GA: Pay Up
Budget Buy: Classically Quick
Percival Provost: Fine Englishman
Flying Wild in Alaska
On Brand-New Wings
B-Ball to Biplane
2012 Tougher Than a Tornado Sweepstakes: Water Dog
The Bird and the Leprechaun
Avionics: Pilot Friendly
Technique: Wind Warrior
Wx Watch: The Problem with Pireps
Products: Anywhere Map Septa
Never Again
Fly-Outs
Fly by Wire
Pilots
AOPA Pilot Magazine - February 2012 - AOPA Pilot Magazine - February 2012
AOPA Pilot Magazine - February 2012 - Cover2
AOPA Pilot Magazine - February 2012 - 1
AOPA Pilot Magazine - February 2012 - Contents
AOPA Pilot Magazine - February 2012 - 3
AOPA Pilot Magazine - February 2012 - President’s Position
AOPA Pilot Magazine - February 2012 - 5
AOPA Pilot Magazine - February 2012 - Hangar Talk
AOPA Pilot Magazine - February 2012 - 7
AOPA Pilot Magazine - February 2012 - 8
AOPA Pilot Magazine - February 2012 - 9
AOPA Pilot Magazine - February 2012 - AOPA Media
AOPA Pilot Magazine - February 2012 - 11
AOPA Pilot Magazine - February 2012 - AOPA Action
AOPA Pilot Magazine - February 2012 - 13
AOPA Pilot Magazine - February 2012 - 14
AOPA Pilot Magazine - February 2012 - 15
AOPA Pilot Magazine - February 2012 - 16
AOPA Pilot Magazine - February 2012 - 17
AOPA Pilot Magazine - February 2012 - 18
AOPA Pilot Magazine - February 2012 - 19
AOPA Pilot Magazine - February 2012 - Letters
AOPA Pilot Magazine - February 2012 - 21
AOPA Pilot Magazine - February 2012 - 22
AOPA Pilot Magazine - February 2012 - 23
AOPA Pilot Magazine - February 2012 - Waypoints
AOPA Pilot Magazine - February 2012 - 25
AOPA Pilot Magazine - February 2012 - Proficient Pilot
AOPA Pilot Magazine - February 2012 - 27
AOPA Pilot Magazine - February 2012 - Safety Pilot
AOPA Pilot Magazine - February 2012 - 29
AOPA Pilot Magazine - February 2012 - License to Learn
AOPA Pilot Magazine - February 2012 - 31
AOPA Pilot Magazine - February 2012 - Pilot Counsel
AOPA Pilot Magazine - February 2012 - 33
AOPA Pilot Magazine - February 2012 - Fly Well
AOPA Pilot Magazine - February 2012 - 35
AOPA Pilot Magazine - February 2012 - Pilot Briefing
AOPA Pilot Magazine - February 2012 - 37
AOPA Pilot Magazine - February 2012 - 38
AOPA Pilot Magazine - February 2012 - 39
AOPA Pilot Magazine - February 2012 - 40
AOPA Pilot Magazine - February 2012 - Rally GA: Pay Up
AOPA Pilot Magazine - February 2012 - 42
AOPA Pilot Magazine - February 2012 - 43
AOPA Pilot Magazine - February 2012 - Budget Buy: Classically Quick
AOPA Pilot Magazine - February 2012 - 45
AOPA Pilot Magazine - February 2012 - 46
AOPA Pilot Magazine - February 2012 - 47
AOPA Pilot Magazine - February 2012 - 48
AOPA Pilot Magazine - February 2012 - 49
AOPA Pilot Magazine - February 2012 - 50
AOPA Pilot Magazine - February 2012 - 51
AOPA Pilot Magazine - February 2012 - Percival Provost: Fine Englishman
AOPA Pilot Magazine - February 2012 - 53
AOPA Pilot Magazine - February 2012 - 54
AOPA Pilot Magazine - February 2012 - 55
AOPA Pilot Magazine - February 2012 - 56
AOPA Pilot Magazine - February 2012 - 57
AOPA Pilot Magazine - February 2012 - Flying Wild in Alaska
AOPA Pilot Magazine - February 2012 - 59
AOPA Pilot Magazine - February 2012 - 60
AOPA Pilot Magazine - February 2012 - 61
AOPA Pilot Magazine - February 2012 - 62
AOPA Pilot Magazine - February 2012 - 63
AOPA Pilot Magazine - February 2012 - On Brand-New Wings
AOPA Pilot Magazine - February 2012 - 65
AOPA Pilot Magazine - February 2012 - 66
AOPA Pilot Magazine - February 2012 - 67
AOPA Pilot Magazine - February 2012 - 68
AOPA Pilot Magazine - February 2012 - 69
AOPA Pilot Magazine - February 2012 - 70
AOPA Pilot Magazine - February 2012 - 71
AOPA Pilot Magazine - February 2012 - B-Ball to Biplane
AOPA Pilot Magazine - February 2012 - 73
AOPA Pilot Magazine - February 2012 - 74
AOPA Pilot Magazine - February 2012 - 75
AOPA Pilot Magazine - February 2012 - 2012 Tougher Than a Tornado Sweepstakes: Water Dog
AOPA Pilot Magazine - February 2012 - 77
AOPA Pilot Magazine - February 2012 - 78
AOPA Pilot Magazine - February 2012 - 79
AOPA Pilot Magazine - February 2012 - 80
AOPA Pilot Magazine - February 2012 - 81
AOPA Pilot Magazine - February 2012 - The Bird and the Leprechaun
AOPA Pilot Magazine - February 2012 - 83
AOPA Pilot Magazine - February 2012 - 84
AOPA Pilot Magazine - February 2012 - 85
AOPA Pilot Magazine - February 2012 - 86
AOPA Pilot Magazine - February 2012 - 87
AOPA Pilot Magazine - February 2012 - 88
AOPA Pilot Magazine - February 2012 - Avionics: Pilot Friendly
AOPA Pilot Magazine - February 2012 - 90
AOPA Pilot Magazine - February 2012 - 91
AOPA Pilot Magazine - February 2012 - 92
AOPA Pilot Magazine - February 2012 - Technique: Wind Warrior
AOPA Pilot Magazine - February 2012 - 94
AOPA Pilot Magazine - February 2012 - 95
AOPA Pilot Magazine - February 2012 - 96
AOPA Pilot Magazine - February 2012 - Wx Watch: The Problem with Pireps
AOPA Pilot Magazine - February 2012 - I1
AOPA Pilot Magazine - February 2012 - I2
AOPA Pilot Magazine - February 2012 - 98
AOPA Pilot Magazine - February 2012 - 99
AOPA Pilot Magazine - February 2012 - 100
AOPA Pilot Magazine - February 2012 - Products: Anywhere Map Septa
AOPA Pilot Magazine - February 2012 - 102
AOPA Pilot Magazine - February 2012 - 103
AOPA Pilot Magazine - February 2012 - Never Again
AOPA Pilot Magazine - February 2012 - 105
AOPA Pilot Magazine - February 2012 - 106
AOPA Pilot Magazine - February 2012 - Fly-Outs
AOPA Pilot Magazine - February 2012 - Fly by Wire
AOPA Pilot Magazine - February 2012 - 109
AOPA Pilot Magazine - February 2012 - 110
AOPA Pilot Magazine - February 2012 - 111
AOPA Pilot Magazine - February 2012 - Pilots
AOPA Pilot Magazine - February 2012 - Cover3
AOPA Pilot Magazine - February 2012 - Cover4
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