PlaneTrack / aircraft / G-BYWD

G-BYWD - Grob-werke Gmbh And Co Kg GROB G115E Tutor

G-BYWD is a Grob-werke Gmbh And Co Kg GROB G115E Tutor operated by Ministry Of Defence, Mode-S hex code 400EB9. Track it live, browse its recent flights, or download its full position history.

Grob-werke Gmbh And Co Kg GROB G115E Tutor (representative image)

Representative image of a Grob-werke Gmbh And Co Kg GROB G115E Tutor. No photo of G-BYWD yet.

Photo © Werner Verbogt / Planespotters

RegistrationG-BYWD

Mode-S hex400EB9

ManufacturerGrob-werke Gmbh And Co Kg

ModelGROB G115E Tutor

OperatorMinistry Of Defence

Last seen2026-10-05 13:44 UTC

Last callsignNCKL38

Live now. G-BYWD is flying as NCKL38, 4,700 ft. Watch live

Track live on the map Buy full history (CSV) Free one-day sample API access

Flight history 177 flights since Aug 2025

Date	Callsign	From	To	Dep	Arr
2026-10-05 (today)	NCKL38	EGTB	—	12:09 BST	in flight
Track received today; the finished segment is added by tonight's history build.
2026-09-09 (partial)	UAO06	EGUB	?	13:31 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-09 (partial)	NCKL64	EGUB	?	15:25 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-09 (partial)	NCKL45	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-08 (partial)	UAO12	EGUB	?	13:28 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-08 (partial)	UAO12	EGUB	?	15:51 BST
Route flown, from our receiver network. Green = start, red = end.

Earlier flights (172) - back to 2025-08-15

Date	Callsign	From	To	Dep	Arr
2026-09-03 (partial)	UAO02	EGUB	?	09:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-03 (partial)	UAO12	EGUB	?	11:52 BST
Route flown, from our receiver network. Green = start, red = end.
2026-09-03 (partial)	NCKL13	EGUB	?	13:29 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-25 (partial)	NCKL16	EGUB	?	09:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-25 (partial)	NCKL40	EGUB	?	11:30 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-25 (partial)	NCKL18	EGUB	?	14:21 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-21 (partial)	NCKL46	EGUB	?	09:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-20 (partial)	NCKL60	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-20 (partial)	NCKL09	EGUB	?	13:28 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-19 (partial)	NCKL31	EGUB	?	13:39 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-19	NCKL25	EGUB	EGLJ	09:54 BST	11:50 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-18 (partial)	UAO02	EGUB	?	12:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-17	UAO02	EGUB	EGLJ	13:23 BST	13:46 BST
Route flown, from our receiver network. Green = start, red = end.
2026-08-12 (partial)	NCKL46	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-23 (partial)	CHWL01	EGUB	?	15:21 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-23 (partial)	UAO01	EGUB	?	12:15 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-23 (partial)	UAO06	EGUB	?	10:13 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-20 (partial)	UAO35	EGUB	?	11:26 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-20 (partial)	NCKL35	EGUB	?	14:15 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-20 (partial)	NCKL08	EGUB	?	15:49 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL32	EGUB	?	11:24 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL09	EGUB	?	13:39 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL09	EGUB	?	14:23 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL09	EGUB	?	15:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL09	EGUB	?	15:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL32	EGUB	?	09:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-17 (partial)	NCKL32	EGUB	?	10:40 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-16 (partial)	NCKL44	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-16 (partial)	NCKL15	EGUB	?	14:33 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-15 (partial)	NCKL47	EGUB	?	14:59 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-15	NCKL25	EGUB	EGTK	11:28 BST	12:34 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-15 (partial)	NCKL47	EGUB	?	14:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-10 (partial)	NCKL64	EGUB	?	09:57 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-09 (partial)	CHWL1	EGUB	?	09:52 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-08 (partial)	NCKL26	EGUB	?	09:25 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-07	NCKL15	EGUB	EGTK	11:57 BST	12:36 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-07 (partial)	UAO02	EGUB	?	14:52 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-07 (partial)	UAO12	EGUB	?	10:06 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-07 (partial)	NCKL18	EGUB	?	13:41 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-06 (partial)	NCKL25	EGUB	?	13:28 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-06 (partial)	NCKL25	EGUB	?	14:23 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-06	UAO1	EGTK	EGUB	16:25 BST	16:46 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-06 (partial)	NCKL25	EGUB	?	10:19 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-03 (partial)	NCKL64	EGUB	?	14:03 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-03 (partial)	NCKL13	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	NCKL09	EGUB	?	15:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	NCKL09	EGUB	?	14:14 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	NCKL64	EGUB	?	11:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	NCKL60	EGUB	?	10:55 BST
Route flown, from our receiver network. Green = start, red = end.
2026-07-01 (partial)	NCKL60	EGUB	?	10:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-30 (partial)	UAO06	EGUB	?	13:41 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-30 (partial)	NCKL06	EGUB	?	11:14 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-30 (partial)	NCKL18	EGUB	?	19:09 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-30 (partial)	NCKL23	EGUB	?	09:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-29 (partial)	NCKL15	EGUB	?	10:21 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-19 (partial)	NCKL12	EGUB	?	09:59 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-19 (partial)	UAO444	EGUB	?	14:57 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-19 (partial)	UAO06	EGUB	?	12:16 BST
Route flown, from our receiver network. Green = start, red = end.
2026-06-18 (partial)	UAO02	EGUB	?	11:45 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-28 (partial)	UAO01	EGUB	?	12:13 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-22 (partial)	NKL08	EGUB	?	10:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-21 (partial)	NCKL60	EGUB	?	12:56 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-21 (partial)	NCKL53	EGUB	?	14:01 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-21 (partial)	NCKL53	EGUB	?	15:55 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-21 (partial)	NCKL60	EGUB	?	11:37 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-21 (partial)	NCKL60	EGUB	?	12:16 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-20 (partial)	NCKL18	EGUB	?	13:32 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-20 (partial)	NCKL16	EGUB	?	17:24 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-20 (partial)	NCKL13	EGUB	?	15:25 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-19 (partial)	NCKL15	EGUB	?	07:55 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-07 (partial)	NCKL46	EGUB	?	14:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-07 (partial)	NCKL22	EGUB	?	10:20 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-07 (partial)	NCKL22	EGUB	?	11:05 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-07 (partial)	NCKL44	EGUB	?	11:49 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL18	EGUB	?	15:06 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL18	EGUB	?	14:16 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL64	EGUB	?	10:01 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL15	EGUB	?	16:39 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL15	EGUB	?	15:50 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-06 (partial)	NCKL40	EGUB	?	11:19 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-05 (partial)	NCKL13	EGUB	?	10:42 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-05 (partial)	NCKL64	EGUB	?	15:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-05 (partial)	NCKL13	EGUB	?	10:03 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-05 (partial)	NCKL64	EGUB	?	14:23 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-05 (partial)	NCKL18	EGUB	?	15:54 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-01 (partial)	NCKL42	EGUB	?	13:50 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-01 (partial)	NCKL45	EGUB	?	10:45 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-01 (partial)	NCKL45	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-05-01 (partial)	NCKL42	EGUB	?	14:27 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-30 (partial)	UAO12	EGUB	?	14:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-30 (partial)	UAO12	EGUB	?	11:43 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-30 (partial)	NCKL07	EGUB	?	09:53 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-30 (partial)	NCKL64	EGUB	?	16:30 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-28 (partial)	UAO02	EGUB	?	15:34 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-28 (partial)	NCKL64	EGUB	?	13:46 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-27 (partial)	UAO02	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-27 (partial)	UAO01	EGUB	?	14:08 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-27 (partial)	NCKL26	EGUB	?	12:01 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-27 (partial)	NCKL18	EGUB	?	16:04 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-24 (partial)	NCKL45	EGUB	?	11:28 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-24 (partial)	NCKL42	EGUB	?	15:37 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-24 (partial)	NCKL42	EGUB	?	13:37 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-24 (partial)	NCKL14	EGUB	?	09:41 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-23 (partial)	NCKL15	EGUB	?	10:10 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-23 (partial)	NCKL15	EGUB	?	10:53 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-23 (partial)	NCKL15	EGUB	?	12:11 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-23 (partial)	NCKL23	EGUB	?	13:25 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-23 (partial)	UAO06	EGUB	?	15:13 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-20	NCKL64	EGUB	EGUD	11:42 BST	14:52 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	UAO12	EGUB	?	12:24 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	NCKL45	EGUB	?	15:12 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	NCKL45	EGUB	?	14:38 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	NCKL02	EGUB	?	10:26 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	NCKL02	EGUB	?	10:07 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-17 (partial)	NCKL45	EGUB	?	14:04 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-16 (partial)	UAO01	EGUB	?	14:05 BST
Route flown, from our receiver network. Green = start, red = end.
2026-04-01 (partial)	NCKL40	EGUB	?	11:15 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-31 (partial)	NCKL64	EGUB	?	15:47 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-31 (partial)	UAO12	EGUB	?	10:23 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-31 (partial)	UAO464	EGUB	?	12:36 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-31 (partial)	NCKL23	EGUB	?	14:26 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-31 (partial)	NCKL64	EGUB	?	16:30 BST
Route flown, from our receiver network. Green = start, red = end.
2026-03-13 (partial)	NCKL30	EGUB	?	13:15 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-13 (partial)	NCKL22	EGUB	?	15:06 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-13 (partial)	NCKL42	EGUB	?	09:59 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-12 (partial)	UAO01	EGUB	?	10:13 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-11 (partial)	NCKL64	EGUB	?	16:06 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-11 (partial)	NCKL47	EGUB	?	12:34 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-11 (partial)	CHRWL01	EGUB	?	14:45 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-10 (partial)	NCKL24	EGUB	?	11:00 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-10 (partial)	NCKL40	EGUB	?	09:44 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-10 (partial)	NCKL64	EGUB	?	15:46 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-10 (partial)	UAO02	EGUB	?	12:58 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-09 (partial)	UAO01	EGUB	?	15:45 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-03-06 (partial)	UAO02	EGUB	?	10:34 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-27 (partial)	NCKL12	EGUB	?	14:15 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-27 (partial)	UAO02	EGUB	?	12:12 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-27 (partial)	NCKL20	EGUB	?	15:44 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-26 (partial)	NCKL13	EGUB	?	12:00 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-26	UAO02	EGUB	EGLJ	15:17 GMT	15:48 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-26 (partial)	NCKL53	EGUB	?	16:18 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-26 (partial)	NCKL05	EGUB	?	13:17 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-25 (partial)	NCKL42	EGUB	?	13:28 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-25 (partial)	UAO01	EGUB	?	11:35 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-24 (partial)	NCKL12	EGUB	?	13:52 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-24 (partial)	UAO01	EGUB	?	10:43 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-24 (partial)	NCKL31	EGUB	?	16:18 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-20 (partial)	NCKL45	EGUB	?	12:08 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-20 (partial)	NCKL06	EGUB	?	10:15 GMT
Route flown, from our receiver network. Green = start, red = end.
2026-02-17 (partial)	UAO02	EGUB	?	11:19 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-11-27 (partial)	UAO06	EGUB	?	10:20 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-11-27 (partial)	UAO12	EGUB	?	10:21 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-11-26 (partial)	UAO06	EGUB	?	13:29 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-10-30 (partial)	UAO12	EGUB	?	14:16 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-10-30 (partial)	UAO12	EGUB	?	12:58 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-10-29 (partial)	NCKL31	EGUB	?	16:00 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-10-29 (partial)	NCKL31	EGUB	?	15:14 GMT
Route flown, from our receiver network. Green = start, red = end.
2025-10-22 (partial)	NCKL01	EGUB	?	10:28 BST
Route flown, from our receiver network. Green = start, red = end.
2025-10-07 (partial)	NCKL06	EGUB	?	11:16 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	NCKL64	EGUB	?	01:16 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	NCKL64	EGUB	?	03:23 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	NCKL64	EGUB	?	04:28 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	UAO12	EGUB	?	11:02 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	UAO12	EGUB	?	13:34 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-21 (partial)	UAO12	EGUB	?	16:01 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-20 (partial)	NCKL64	EGUB	?	20:44 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-20 (partial)	UAO02	EGUB	?	15:44 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-19 (partial)	NCKL26	EGUB	?	10:19 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-19 (partial)	NCKL26	EGUB	?	11:45 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-19 (partial)	NCKL13	EGUB	?	14:19 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-19 (partial)	NCKL26	EGUB	?	10:42 BST
Route flown, from our receiver network. Green = start, red = end.
2025-08-15 (partial)	UAO06	EGUB	?	13:23 BST
Route flown, from our receiver network. Green = start, red = end.

Times are local to each airport. Hover for UTC. Tap Map to see the route flown. Partial records have a confirmed departure but no reliable arrival fix.

Data access

Live position and 365-day history for this aircraft are available through the PlaneTrack API (commercial use from $29/month) and as one-off CSV extracts from our archive (from $9.99, with a free one-day sample).