RJFF to RJGG Flight Report - Airbus A320

Flight from RJFF to RJGG

Sunday, 26 May 2024 13:20

Minutes 67

343 nm

Fuel 2,291 kg

Airbus A320

Departure

Runway 16 at RJFF

Fukuoka

Fukuoka, Fukuoka Prefecture, Japan

Altitude

23 ft asl

Weight

47,868 kg

Fuel

5,368 kg

Temperature

23 °C

Wind Speed

17 kt

Wind Direction

160.0 °

Headwind

17 kt

Crosswind

2 kt

Arrival

Runway 18 at RJGG

Chubu Centrair International

Nagoya Aichi-ken, Japan

13 ft asl

Altitude

45,578 kg

Weight

3,078 kg

Fuel

20 °C

Temperature

11 kt

Wind Speed

120.0 °

Wind Direction

7 kt

Headwind

8 kt

Crosswind

Flight Score 97.96%

Departure Score 100.00%

Enroute Score 99.93%

Arrival Score 93.21%

Vertical profile — planned vs actual

Landing

65.21 %

Touchdown

90.1 %

Approach & flare

Threshold height

63.27 %

Threshold height at 72 ft agl was well above target.

Threshold speed

97.58 %

Threshold speed was slightly below target at 122 kt.

Flare

0 %

Very poor landing flare

Touchdown

Sink rate

82.81 %

Touchdown rate was fair at -220 ft/m.

Impact

100 %

Speed

100 %

Touchdown speed at 115 kt was good.

Aim point

62.57 %

Touchdown point was 378 m beyond the touchdown zone.

Centreline

100 %

Runway touchdown alignment was very good.

Bounce

100 %

Flight Map

Replay this flight in 3D — the full flight path over the terrain with every stage, event and score along the route.

Flight Stages RJFF to RJGG

Click on a stage to view more detailed information

Departure Taxi

100 %

Taxiing from the parking to the runway took 8 minutes and covered 2 nm.

Score	Description	Start	Profile	End
100 %	Average speed 14 kn 0 kn min to max 23 kn	0		9 kn
100 %	Average speed turning corners 0 kn max 0 kn	0		0 kn
100 %	Average g force 1.00 g 0.99 g min to max 1.01 g	1.00		1.00 g
Info	Average pitch angle -0.5 ° -0.7 ° min to max -0.4 °	-0.5		-0.4 °
Info	Average bank angle 0.1 ° 0.0 ° min to max 0.2 °	0.1		0.1 °
Info	Battery Master On at 13:20:47
Info	Engine 2 Started at 13:20:47
Info	Beacon Lights Switched On at 13:20:47
Info	Navigation Lights Switched On at 13:20:47
Info	Landing Gear Down at 13:20:47
Info	Parking Brake On at 13:20:47
Info	Engine 1 Started at 13:22:12
Info	Flaps Position 1 at 13:23:30
Info	Parking Brake Off at 13:23:56
Info	Taxi Lights Switched On at 13:25:13

Departure Runway Entry

Entering runway 16 at RJFF Fukuoka, Average speed was 19 kn.

Score	Description	Start	Profile	End
Info	Average speed 10 kn 8 kn min to max 12 kn	9		10 kn
Info	Average pitch angle -0.4 ° -0.6 ° min to max -0.3 °	-0.3		-0.3 °
Info	Average bank angle 0.2 ° 0.0 ° min to max 0.4 °	0.1		0.0 °
Info	Average g force 1.00 g 1.00 g min to max 1.00 g	1.00		1.00 g
Info	Landing Lights Switched On at 13:29:35
Info	Strobe Lights Switched On at 13:29:37

Departure Roll

100 %

Departure roll runway 16 at RJFF Fukuoka. Takeoff distance 136 m 5 % of runway. Liftoff speed was 147 kn. Local weather - Temperature 22 °C. Wind 17 kn at 160 °. Crosswind: 3 kn Headwind: 17 kn.

Score	Description	Start	Profile	End
100 %	Takeoff distance 136 m 5 % of runway
100 %	Liftoff speed was 147 kn Target 154 kn
100 %	Runway alignment max 2.60 m 2.60 m left to 0.00 m left	2.41		1.66 m
100 %	Average g force 1.00 g 0.97 g min to max 1.03 g	1.00		1.01 g
100 %	Takeoff Bounce
Info	Average pitch angle 0.6 ° -0.7 ° min to max 4.4 °	-0.4		4.4 °
Info	Average bank angle 0.1 ° 0.0 ° min to max 0.5 °	0.0		0.5 °

Departure Climb 1

100 %

Departure climb to 50 ft agl from runway 16 RJFF Fukuoka.

Score	Description	Start	Profile	End
100 %	Heading variation -0.1 ° -0.2 ° min to max -0.1 °	-0.1		-0.2 °
100 %	Average speed 154 kn 147 kn min to max 161 kn	148		160 kn
100 %	Average bank angle 0.4 ° 0.0 ° min to max 0.9 °	0.5		0.1 °
100 %	Average g force 1.09 g 1.00 g min to max 1.19 g	1.01		1.15 g
Info	Average VSI 374 ft/m 93 ft/m min to max 866 ft/m	93		866 ft/m
Info	Average altitude 11 ft agl 0 ft agl min to max 37 ft agl	0		37 ft agl
Info	Average pitch angle 6.0 ° 4.4 ° min to max 8.6 °	4.4		8.6 °

Departure Climb 2

100 %

Departure climb to 400 ft agl from 16 RJFF Fukuoka.

Score	Description	Start	Profile	End
100 %	Heading variation -0.2 ° -0.2 ° min to max -0.2 °	-0.2		-0.2 °
100 %	Average speed 161 kn 160 kn min to max 165 kn	160		165 kn
100 %	Average bank angle 0.0 ° 0.0 ° min to max 0.2 °	0.1		0.2 °
100 %	Average g force 1.15 g 0.99 g min to max 1.18 g	1.16		0.99 g
Info	Average VSI 1,433 ft/m 882 ft/m min to max 2,827 ft/m	882		2,827 ft/m
Info	Average altitude 89 ft agl 38 ft agl min to max 346 ft agl	38		346 ft agl
Info	Average pitch angle 10.4 ° 8.7 ° min to max 12.6 °	8.7		12.6 °
Info	Taxi Lights Switched Off at 13:31:02
Info	Landing Gear Up at 13:31:02

Departure Climb 3

100 %

Departure climb to 1,000 ft agl from 16 RJFF Fukuoka.

Score	Description	Start	Profile	End
100 %	Heading variation -0.3 ° -0.3 ° min to max -0.2 °	-0.2		-0.3 °
100 %	Average speed 159 kn 153 kn min to max 166 kn	166		155 kn
100 %	Average bank angle 0.6 ° 0.0 ° min to max 1.6 °	0.2		1.4 °
100 %	Average g force 0.99 g 0.96 g min to max 1.02 g	1.01		0.98 g
100 %	Landing gear up
Info	Average VSI 3,029 ft/m 2,896 ft/m min to max 3,082 ft/m	2,896		3,082 ft/m
Info	Average altitude 681 ft agl 395 ft agl min to max 954 ft agl	395		954 ft agl
Info	Average pitch angle 13.3 ° 12.8 ° min to max 13.5 °	12.8		13.5 °

Enroute Climb

100 %

Enroute climb started overhead RJFF Fukuoka Fukuoka (, ). Climbing from 1,043 ft asl to 40,076 ft asl, an increase of 39,032 ft in 15 minutes and covering 89 nm.

Score	Description	Start	Profile	End
100 %	Average speed 249 kn 155 kn min to max 274 kn	155		224 kn
100 %	Average bank angle 8.9 ° 0.0 ° min to max 26.2 °	1.4		0.0 °
100 %	Average g force 1.01 g 0.85 g min to max 1.12 g	0.98		0.99 g
Info	Average VSI 2,865 ft/m 136 ft/m min to max 4,416 ft/m	3,092		136 ft/m
Info	Average altitude 19,378 ft asl 1,043 ft asl min to max 40,076 ft asl	1,043		40,076 ft asl
Info	Average pitch angle 7.2 ° 3.8 ° min to max 14.8 °	13.5		3.8 °
Info	Turn coordination 0 0 min to max 0	0		0
Info	Flaps Fully Retracted at 13:32:11
Info	Landing Lights Switched Off at 13:33:43
Info	Autopilot Wing Leveler Activated at 13:46:16
Info	Autopilot Flight Director Activated at 13:46:16
Info	Autopilot Vertical Hold Activated at 13:46:16

Enroute Level

100 %

Enroute level cruise started 17 miles south east of Yanai (, ) and lasted 21 minutes, covering 167 nm.

Score	Description	Start	Profile	End
100 %	Average altitude 40,081 ft asl 39,945 ft asl min to max 40,092 ft asl	40,083		39,945 ft asl
100 %	Average speed 223 kn 222 kn min to max 224 kn	224		223 kn
100 %	Average bank angle 1.0 ° 0.0 ° min to max 21.2 °	0.0		0.0 °
100 %	Average g force 1.00 g 0.93 g min to max 1.09 g	1.00		0.95 g
Info	Turn coordination 0 0 min to max 0	0		0
Info	Average pitch angle 3.7 ° 1.8 ° min to max 4.2 °	3.7		1.8 °

Enroute Descent

99.71 %

Enroute descent started 3 miles south west of Hashimoto (Wakayama, Japan). Descent from 39,694 ft asl to 1,845 ft asl, a decrease of 37,849 ft in 15 minutes and covering 74 nm.

Score	Description	Start	Profile	End
100 %	Average speed 265 kn 224 kn min to max 301 kn	224		240 kn
100 %	Average bank angle 14.3 ° 0.0 ° min to max 27.9 °	0.0		0.0 °
97.14 %	Average g force 1.05 g 0.90 g min to max 1.30 g	1.00		1.00 g
Info	Average VSI -2,229 ft/m -4,119 ft/m min to max -12 ft/m	-1,630		-12 ft/m
Info	Average altitude 13,499 ft asl 1,845 ft asl min to max 39,694 ft asl	39,694		1,845 ft asl
Info	Average pitch angle -1.8 ° -4.6 ° min to max 1.5 °	1.5		0.7 °
Info	Turn coordination 0 0 min to max 0	0		0
Info	Landing Lights Switched On at 14:18:15
Info	Flaps Position 1 at 14:22:43
Info	Landing Gear Down at 14:22:50

Enroute Level 2

100 %

Enroute level cruise started 4 miles east of Kuwana (Mie-ken, Japan) and lasted 2 minutes, covering 4 nm.

Score	Description	Start	Profile	End
100 %	Average altitude 1,834 ft asl 1,802 ft asl min to max 1,885 ft asl	1,845		1,802 ft asl
100 %	Average speed 167 kn 122 kn min to max 239 kn	239		124 kn
100 %	Average bank angle 0.1 ° 0.0 ° min to max 0.2 °	0.0		0.0 °
100 %	Average g force 1.00 g 0.94 g min to max 1.04 g	1.00		0.98 g
Info	Turn coordination 0 0 min to max 0	0		0
Info	Average pitch angle 2.4 ° -0.5 ° min to max 5.2 °	0.6		1.9 °
Info	Taxi Lights Switched On at 14:23:01
Info	Flaps Position 2 at 14:23:33
Info	Flaps Position 3 at 14:23:44
Info	Flaps Position 4 at 14:23:50

Arrival

100 %

Arrival started 4 miles east of Kuwana (Mie-ken, Japan).

Score	Description	Start	Profile	End
100 %	Average speed 122 kn 121 kn min to max 124 kn	124		122 kn
100 %	Average bank angle 0.0 ° 0.0 ° min to max 0.1 °	0.0		0.0 °
100 %	Average g force 1.00 g 0.98 g min to max 1.02 g	0.98		1.00 g
Info	Average VSI -542 ft/m -668 ft/m min to max -293 ft/m	-293		-466 ft/m
Info	Average altitude 1,569 ft asl 1,350 ft asl min to max 1,796 ft asl	1,796		1,350 ft asl
Info	Average pitch angle 1.2 ° 0.8 ° min to max 1.8 °	1.8		1.4 °
Info	Turn coordination 0 0 min to max 0	0		0

Arrival Final 4

100 %

Approaching runway 18 at RJGG Chubu Centrair International from 4 nm to 3 nm. Descent from 1,329 ft agl to 997 ft agl. A decrease of 332 ft in 31 seconds.

Score	Description	Start	Profile	End
100 %	Approach angle 3.1 ° 3.1 ° min to max 3.2 ° Target 3.0 °	3.2		3.1 °
100 %	Average speed 120 kn 118 kn min to max 122 kn	122		119 kn
100 %	Heading variation 0.0 ° 0.0 ° min to max 0.0 °	0.0		0.0 °
100 %	Average bank angle 0.0 ° 0.0 ° min to max 0.0 °	0.0		0.0 °
100 %	Average g force 1.00 g 0.99 g min to max 1.01 g	0.99		1.01 g
Info	Average VSI -618 ft/m -759 ft/m min to max -476 ft/m	-476		-531 ft/m
Info	Average altitude 1,166 ft agl 997 ft agl min to max 1,329 ft agl	1,329		997 ft agl
Info	Average pitch angle 1.1 ° 0.5 ° min to max 1.9 °	1.3		1.9 °

Arrival Final 3

100 %

Approaching runway 18 at RJGG Chubu Centrair International from 3 nm to 2 nm. Descent from 988 ft agl to 713 ft agl. A decrease of 275 ft in 31 seconds.

Score	Description	Start	Profile	End
100 %	Approach angle 3.2 ° 3.1 ° min to max 3.3 ° Target 3.0 °	3.1		3.3 °
100 %	Average speed 119 kn 118 kn min to max 120 kn	119		120 kn
100 %	Heading variation 0.0 ° 0.0 ° min to max 0.0 °	0.0		0.0 °
100 %	Average bank angle 0.1 ° 0.0 ° min to max 0.3 °	0.0		0.2 °
100 %	Average g force 1.00 g 0.98 g min to max 1.01 g	1.01		0.99 g
Info	Average VSI -515 ft/m -695 ft/m min to max -437 ft/m	-516		-695 ft/m
Info	Average altitude 858 ft agl 713 ft agl min to max 988 ft agl	988		713 ft agl
Info	Average pitch angle 1.5 ° 0.4 ° min to max 2.2 °	2.0		0.4 °

Arrival Final 2

100 %

Approaching runway 18 at RJGG Chubu Centrair International from 2 nm to 1 nm. Descent from 689 ft agl to 363 ft agl. A decrease of 326 ft in 30 seconds.

Score	Description	Start	Profile	End
100 %	Approach angle 3.2 ° 3.1 ° min to max 3.4 ° Target 3.0 °	3.3		3.4 °
100 %	Average speed 119 kn 118 kn min to max 121 kn	120		120 kn
100 %	Heading variation 0.0 ° 0.0 ° min to max 0.0 °	0.0		0.0 °
100 %	Average bank angle 0.1 ° 0.0 ° min to max 0.2 °	0.0		0.1 °
100 %	Average g force 1.00 g 0.99 g min to max 1.03 g	0.99		1.00 g
Info	Average VSI -658 ft/m -796 ft/m min to max -483 ft/m	-716		-495 ft/m
Info	Average altitude 510 ft agl 363 ft agl min to max 689 ft agl	689		363 ft agl
Info	Average pitch angle 0.9 ° 0.4 ° min to max 1.5 °	0.4		1.5 °

Arrival Final 1

91.46 %

Approaching runway 18 at RJGG Chubu Centrair International from 1 nm to 0 nm. Descent from 354 ft agl to 86 ft agl. A decrease of 268 ft in 23 seconds.

Score	Description	Start	Profile	End
57.28 %	Approach angle 4.1 ° 3.4 ° min to max 4.9 ° Target 3.0 °	3.4		4.9 °
100 %	Average speed 122 kn 121 kn min to max 123 kn	121		122 kn
100 %	Heading variation 0.0 ° 0.0 ° min to max 0.1 °	0.0		0.0 °
100 %	Average bank angle 0.6 ° 0.0 ° min to max 2.1 °	0.1		1.4 °
100 %	Average g force 1.00 g 0.97 g min to max 1.02 g	1.00		1.01 g
Info	Average VSI -656 ft/m -697 ft/m min to max -497 ft/m	-497		-670 ft/m
Info	Average altitude 183 ft agl 86 ft agl min to max 354 ft agl	354		86 ft agl
Info	Average pitch angle 0.5 ° 0.2 ° min to max 1.4 °	1.4		0.2 °

Arrival Landing

65.21 %

Landing on runway 18 at RJGG Chubu Centrair International, runway length 3,498 m. Threshold height at 72 ft agl was well above target. Threshold speed was slightly below target at 122 kn.

Score	Description	Start	Profile	End
97.58 %	Threshold speed was slightly below target at 122 kn. Target 135 kn
63.27 %	Target 50 ft agl
0 %	Landing and flare profile
100 %	Heading variation -0.0 ° -0.1 ° min to max 0.0 °	0.0		-0.0 °
100 %	Average bank angle 1.1 ° 0.0 ° min to max 2.5 °	1.4		0.3 °
100 %	Average g force 1.02 g 0.96 g min to max 1.07 g	1.01		0.96 g
Info	Average speed 120 kn 115 kn min to max 123 kn	122		115 kn
Info	Average VSI -338 ft/m -670 ft/m min to max -111 ft/m	-670		-213 ft/m
Info	Average altitude 25 ft agl 2 ft agl min to max 72 ft agl	72		2 ft agl
Info	Average pitch angle 2.2 ° 0.2 ° min to max 3.9 °	0.2		3.9 °

Arrival Touchdown

90.1 %

Touchdown point was 378 m beyond the touchdown zone. Touchdown speed at 115 kn was good. Touchdown rate was fair at -213 ft/m. Runway touchdown alignment was very good. Local weather - Temperature 21 °C. Wind 11 kn at 120 °. Crosswind: 9 kn Headwind: 7 kn.

Score	Description	Start	Profile	End
82.81 %	Touchdown VSI was -213 ft/m.
62.57 %	Touchdown distance was 799 m Target 457 m
100 %	Speed at touchdown 115 kn Target 132 kn
100 %	Runway alignment max 2.42 m 2.28 m right	-2.41		-1.92 m
100 %	Average bank angle 0.4 ° 0.1 ° min to max 0.8 °	0.3		0.8 °
100 %	Average g force 1.13 g 0.96 g min to max 1.20 g	0.96		1.15 g
100 %	Landing Bounce
Info	Average speed 115 kn 114 kn min to max 115 kn	115		114 kn
Info	Average pitch angle 4.0 ° 3.9 ° min to max 4.0 °	3.9		4.0 °

Arrival Rollout

98.9 %

Total landing distance 1,579 m, 45 % of runway. Runway rollout alignment was very good.

Score	Description	Start	Profile	End
100 %	Landing distance 1,579 m 45 % of runway.
97.54 %	Runway alignment max 5.57 m 3.72 m left to 1.85 m right	-1.85		3.69 m
100 %	Average g force 1.02 g 0.99 g min to max 1.13 g	1.13		1.00 g
Info	Average speed 97 kn 55 kn min to max 107 kn	107		55 kn
Info	Average pitch angle 2.9 ° -0.7 ° min to max 4.3 °	4.0		-0.5 °
Info	Average bank angle 0.4 ° 0.0 ° min to max 0.9 °	0.8		0.2 °

Runway Exit

Exiting runway, average speed 47 kn

Score	Description	Start	Profile	End
Info	Average speed 37 kn 20 kn min to max 54 kn	54		20 kn
Info	Average pitch angle -0.6 ° -0.8 ° min to max -0.4 °	-0.4		-0.6 °
Info	Average bank angle 0.1 ° 0.0 ° min to max 0.3 °	0.2		0.1 °
Info	Average g force 1.00 g 0.99 g min to max 1.01 g	1.00		1.00 g

Arrival Taxi

100 %

Taxiing to the parking from the runway took 4 minutes and covered less than 1 nm.

Score	Description	Start	Profile	End
100 %	Average speed 13 kn 0 kn min to max 20 kn	19		0 kn
100 %	Average speed turning corners 14 kn max 15 kn	0		0 kn
100 %	Average g force 1.00 g 1.00 g min to max 1.00 g	1.00		1.00 g
Info	Average pitch angle -0.4 ° -0.6 ° min to max -0.2 °	-0.5		-0.4 °
Info	Average bank angle 0.1 ° 0.0 ° min to max 0.4 °	0.1		0.0 °
Info	Landing Lights Switched Off at 14:28:32
Info	Strobe Lights Switched Off at 14:28:35
Info	Flaps Fully Retracted at 14:28:46
Info	Parking Brake On at 14:31:07
Info	Flaps Position 1 at 14:31:13
Info	Flaps Position 2 at 14:31:15
Info	Flaps Fully Retracted at 14:31:16
Info	Taxi Lights Switched Off at 14:31:30
Info	Engine 2 Stopped at 14:31:50
Info	Engine 1 Stopped at 14:32:16

Takeoff on runway 16 at RJFF Fukuoka in the Airbus A320

100 %

Taxi

Taxiing from the parking to the runway took 8 minutes and covered 2 nm.

Taxi Lights

100 %

Switched On

Ground Speed kt

100 %

Turn Speed

100 %

Bank °

Info

Pitch °

Info

100 %

Takeoff Roll

Departure roll runway 16 at RJFF Fukuoka. Takeoff distance 136 m 5 % of runway. Liftoff speed was 147 kn. Local weather - Temperature 22 °C. Wind 17 kn at 160 °. Crosswind: 3 kn Headwind: 17 kn.

Takeoff Distance

100 %

Roll distance of 136 m using 4.85 % of runway

Liftoff Speed

100 %

Liftoff speed was 147 kn - Target 150 kn

Alignment

100 %

2.60 m left to 0.00 m left

Bounce

100 %

No Bounce Detected

Strobe Lights

100 %

Switched On

Landing Lights

100 %

Switched On

100 %

IAS kt

Info

Bank °

Info

Pitch °

Info

100 %

Climb 1

Departure climb to 50 ft agl from runway 16 RJFF Fukuoka.

Alignment

100 %

IAS kt

100 %

Bank °

100 %

Pitch °

Info

Climb Rate fpm

Info

100 %

Climb 2

Departure climb to 400 ft agl from 16 RJFF Fukuoka.

Alignment

100 %

IAS kt

100 %

Bank °

100 %

Pitch °

Info

Climb Rate fpm

Info

100 %

Climb 3

Departure climb to 1,000 ft agl from 16 RJFF Fukuoka.

Alignment

100 %

IAS kt

100 %

Bank °

100 %

Pitch °

Info

Climb Rate fpm

Info

Landing on runway 18 at RJGG Chubu Centrair International in the Airbus A320

Landing Score 86.42 %

100 %

Final 4

Approaching runway 18 at RJGG Chubu Centrair International from 4 nm to 3 nm. Descent from 1,329 ft agl to 997 ft agl. A decrease of 332 ft in 31 seconds.

Glideslope

100 %

Excellent glideslope alignment

Heading

100 %

Excellent heading alignment

Glideslope °

100 %

IAS kt

100 %

Alignment

100 %

Bank °

100 %

Descent Rate fpm

Info

100 %

Final 3

Approaching runway 18 at RJGG Chubu Centrair International from 3 nm to 2 nm. Descent from 988 ft agl to 713 ft agl. A decrease of 275 ft in 31 seconds.

Glideslope

100 %

Excellent glideslope alignment

Heading

100 %

Excellent heading alignment

Glideslope °

100 %

IAS kt

100 %

Alignment

100 %

Bank °

100 %

Descent Rate fpm

Info

100 %

Final 2

Approaching runway 18 at RJGG Chubu Centrair International from 2 nm to 1 nm. Descent from 689 ft agl to 363 ft agl. A decrease of 326 ft in 30 seconds.

Glideslope

100 %

Excellent glideslope alignment

Heading

100 %

Excellent heading alignment

Glideslope °

100 %

IAS kt

100 %

Alignment

100 %

Bank °

100 %

Descent Rate fpm

Info

91.46 %

Final 1

Approaching runway 18 at RJGG Chubu Centrair International from 1 nm to 0 nm. Descent from 354 ft agl to 86 ft agl. A decrease of 268 ft in 23 seconds.

Glideslope

57.28 %

Poor descent path above glideslope limit

Heading

100 %

Excellent heading alignment

Glideslope °

57.28 %

IAS kt

100 %

Alignment

100 %

Bank °

100 %

Descent Rate fpm

Info

65.21 %

Landing

Landing on runway 18 at RJGG Chubu Centrair International, runway length 3,498 m. Threshold height at 72 ft agl was well above target. Threshold speed was slightly below target at 122 kn.

Height

63.27 %

Threshold height at 72 ft agl was well above target. Target 50 ft agl

Speed

97.58 %

Threshold speed was slightly below target at 122 kt. Target 135 kt

Flare

0 %

Very poor landing flare

Centreline ft

100 %

Bank °