Paragraph 34 ... semi-circular ruleF3I1
United Kingdom
Subject to paragraphs (2) and (3), an aircraft in level flight above 3,000 feet above mean sea level or above the appropriate transition altitude, whichever is the higher, must be flown at a level appropriate to its magnetic track, in accordance with Table 1 F1....
For the purposes of paragraph (1), the level of flight must be measured by an altimeter set—
in the case of a flight over the Territory, to a pressure setting of 1013.2 hectopascals; or
in the case of any other flight, according to the system published by the competent authority in relation to the area over which the aircraft is flying.
An aircraft may be flown at a level other than the level required by paragraph (1) if it flies—
in conformity with instructions given by an air traffic control unit;
in accordance with notified en-route holding patterns; or
in accordance with holding procedures notified in relation to an aerodrome.
For the purposes of this rule “transition altitude” means the altitude which is notified in relation to flights over notified areas.
F2Table 1
Semi-circular rule
| Track | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| From 000 degrees to 179 degrees | From 180 degrees to 359 degrees | ||||||||||
| IFR flights | VFR flights | IFR flights | VFR flights | ||||||||
| Level | Level | Level | Level | ||||||||
| FL | Feet | Metres | FL | Feet | Metres | FL | Feet | Metres | FL | Feet | Metres |
| 010 | 1,000 | 300 | - | - | - | 020 | 2,000 | 600 | - | - | - |
| 030 | 3,000 | 900 | 035 | 3,500 | 1,050 | 040 | 4,000 | 1.200 | 045 | 4,500 | 1,350 |
| 050 | 5,000 | 1,500 | 055 | 5,500 | 1,700 | 060 | 6,000 | 1,850 | 065 | 6,500 | 2,000 |
| 070 | 7,000 | 2,150 | 075 | 7,500 | 2,300 | 080 | 8,000 | 2,450 | 085 | 8,500 | 2,600 |
| 090 | 9,000 | 2,750 | 095 | 9,500 | 2,900 | 100 | 10,000 | 3,050 | 105 | 10,500 | 3,200 |
| 110 | 11,000 | 3,350 | 115 | 11,500 | 3,350 | 120 | 12,000 | 3,650 | 125 | 12,500 | 3,800 |
| 130 | 13,000 | 3,950 | 135 | 13,500 | 4,100 | 140 | 14,000 | 4,250 | 145 | 14,500 | 4,400 |
| 150 | 15,000 | 4,550 | 155 | 15,500 | 4,700 | 160 | 16,000 | 4,900 | 165 | 16,500 | 5,050 |
| 170 | 17,000 | 5,200 | 175 | 17,500 | 5,350 | 180 | 18,000 | 5,500 | 185 | 18,500 | 5,650 |
| 190 | 19,000 | 5,800 | 195 | 19,500 | 5,950 | 200 | 20,000 | 6,100 | 205 | 20,500 | 6,250 |
| 210 | 21,000 | 6,400 | 215 | 21,500 | 6,550 | 220 | 22,000 | 6,700 | 225 | 22,500 | 6,850 |
| 230 | 23,000 | 7,000 | 235 | 23,500 | 7,150 | 240 | 24,000 | 7,300 | 245 | 24,500 | 7,450 |
| 250 | 25,000 | 7,600 | 255 | 25,500 | 7,750 | 260 | 26,000 | 7,900 | 265 | 26,500 | 8,100 |
| 270 | 27,000 | 8,250 | 275 | 27,500 | 8,400 | 280 | 28,000 | 8,550 | 285 | 28,500 | 8,700 |
| 290 | 29,000 | 8,850 | 300 | 30,000 | 9,150 | ||||||
| 310 | 31,000 | 9,450 | 320 | 32,000 | 9,750 | ||||||
| 330 | 33,000 | 10,050 | 340 | 34,000 | 10,350 | ||||||
| 350 | 35,000 | 10,650 | 360 | 36,000 | 10,950 | ||||||
| 370 | 37,000 | 11,300 | 380 | 38,000 | 11,600 | ||||||
| 390 | 39,000 | 11,900 | 400 | 40,000 | 12,200 | ||||||
| 410 | 41,000 | 12,500 | 430 | 43,000 | 13,100 | ||||||
| 450 | 45,000 | 13,700 | 470 | 47,000 | 14,350 | ||||||
| 490 | 49,000 | 14,950 | 510 | 51,000 | 15,500 | ||||||
| etc. | etc. | etc. | etc. | etc. | etc. | ||||||
Annotations
Textual amendments
- F1
Words in Sch. 4 rule 34(1) omitted (30.9.2021) by virtue of The Air Navigation (Overseas Territories) (Amendment) (No. 2) Order 2021 (S.I. 2021/755), arts. 1(2), 23(13)(b)
- F2
Sch. 4 rule 34 Table 1 and 2 substituted for Sch. 4 rule 34 Table 1 (30.9.2021) by The Air Navigation (Overseas Territories) (Amendment) (No. 2) Order 2021 (S.I. 2021/755), arts. 1(2), 23(13)(c)
- F3
Words in Sch. 4 rule 34 heading omitted (30.9.2021) by virtue of The Air Navigation (Overseas Territories) (Amendment) (No. 2) Order 2021 (S.I. 2021/755), arts. 1(2), 23(13)(a)
Commencement
- I1
Sch. 4 para. 34 in force at 1.1.2014, see art. 1