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Cruising Altitude Regulations |
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FAR
91.179 - IFR Cruising Altitudes |
WEST
(180-359)
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EAST
(0-179)
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When at or
above FL290 in RVSM (Reduced Vertical Separation Minimum)
airspace and on magnetic course of 180-359 deg, any even
flight level at 2,000 foot intervals, beginning and including
FL300 (such as FL300, FL320, FL340).
When at or above FL290 in RVSM (Reduced Vertical Separation
Minimum) airspacd and on magnetic course of 0-179 deg,
any odd flight level at 2,000 foot intervals, beginning and
including FL290, (such as FL290, FL331, FL330).
RVSM Ends at FL410. Flights above FL410 must use the Non-RVSM airspace table below. |
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FL400
FL380
FL360
FL340
FL320
FL300 |
FL410
FL390
FL370
FL350
FL330
FL310
FL290 |
When at or
above FL290 in Non- RVSM
airspace On a magnetic course of 180 degrees through 359 degrees, any flight level, at 4,000-foot intervals, beginning at and including flight level 310 (such as flight level 310, 350, or 390). .
When at or above FL290 in Non-RVSM airspacd On a magnetic course of zero degrees through 179 degrees, any flight level, at 4,000-foot intervals, beginning at and including flight level 290 (such as flight level 290, 330, or 370). |
FL590
FL550
FL510
FL470
FL430
FL390
FL350
FL310 |
FL570
FL530
FL490
FL450
FL410
FL370
FL330
FL290 |
When at or
above 18,000 feet MSL but below 29,000 and on magnetic
course of 180-359 deg, any even flight level (ie 180; 200;
220).
When at or above 18,000 feet MSL but below 29,000 and
on magnetic course of 0-179 deg, any odd flight level (ie
190; 210; 230). |
FL280
FL260
FL240
FL220
FL200
FL180 |
FL270
FL250
FL230
FL210
FL190
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When below
18,000 feet MSL and on magnetic course of 180-359 deg,
any even thousand foot MSL altidude (ie 4,000; 6,000; 8,000).
When below 18,000 feet MSL and on magnetic course of
0-179 deg, any odd thousand foot MSL altidude (ie 3,000; 5000;
7000). |
16,000
14,000
12,000
10,000
8,000
6,000
4,000 |
17,000
15,000
13,000
11,000
9,000
7,000
5,000 |
FAR
91.159 - VFR Cruising Altitudes |
WEST
(180-359)
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EAST
(0-179)
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When at or
above FL290 and on magnetic course of 180-359 deg, any
flight level at 4,000 foot intervals, beginning and including
FL300, FL340, FL380).
When at or above FL290 and on magnetic course of 0-179
deg, any flight level at 4,000 foot intervals, beginning and
including FL320, FL360, FL400). |
FL440
FL400
FL360
FL320 |
FL420
FL380
FL340
FL300 |
When at or
above 18,000 feet MSL to 29,000 (inclusive) and on magnetic
course of 180-359 deg, any even flight level +500 feet (ie
185; 205; 225).
When at or above 18,000 feet MSL to 29,000 (inclusive) and on magnetic course of 0-179 deg, any odd flight level
+500 feet (ie 195; 215; 235). |
FL285
FL265
FL245
FL225
FL205
FL185 |
FL295
FL275
FL255
FL235
FL215
FL195 |
When in VFR
cruising flight more than 3,000 feet MSL and below 18,000
feet MSL and on magnetic course of 180-359 deg, any even
thousand foot MSL altidude +500 feet (ie 4,500; 6500; 8,500).
When in VFR cruising flight more than 3,000 feet MSL and
below 18,000 feet MSL and on magnetic course of 0-179
deg, any odd thousand foot MSL altidude + 500 feet (ie 3,500;
5,500; 7,500). |
16,500
14,500
12,500
10,500
8,500
6,500
4,500
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17,500
15,500
13,500
11,500
9,500
7,500
5,500
3,500 |
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