Stan stref powietrznych na dzień 2022-6-12

Strefy aktywowane 2022-6-12*

Typ	Desygnator	Okres rezerwacji	Zakres wysokości	Uwagi	Status
D	EPD53B	2022-06-12 01:39:00Z - 2022-06-12 06:00:00Z	GND-F660FL	BALTOPS22	ACTIVATED

Strefy zarezerwowane, bez potwierdzenia aktywacji*

Typ	Desygnator	Okres rezerwacji	Zakres wysokości	Uwagi	Status
ATZ	ATZ EPBA	2022-06-12 07:00:00Z - 2022-06-12 18:00:00Z	GND-A065FL	PJE	PLANNED
ATZ	ATZ EPGL	2022-06-12 05:00:00Z - 2022-06-12 06:00:00Z	GND-A035FL	PJE	PLANNED
ATZ	ATZ EPGL	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	GND-A035FL	PJE	PLANNED
ATZ	ATZ EPKM	2022-06-12 08:00:00Z - 2022-06-12 16:00:00Z	GND-A035FL	GLD	PLANNED
ATZ	ATZ EPKP	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	GND-A023FL	PJE	PLANNED
ATZ	ATZ EPLR	2022-06-12 08:00:00Z - 2022-06-12 18:30:00Z	GND-A025FL	GLD	PLANNED
ATZ	ATZ EPLS	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	GND-A055FL	PJE	PLANNED
ATZ	ATZ EPLU	2022-06-12 08:00:00Z - 2022-06-12 19:00:00Z	GND-A055FL	GLD	PLANNED
ATZ	ATZ EPPG	2022-06-12 07:00:00Z - 2022-06-12 19:00:00Z	GND-A065FL	C172	PLANNED
ATZ	ATZ EPPTA	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	GND-A055FL	C152	PLANNED
ATZ	ATZ EPRG	2022-06-12 07:00:00Z - 2022-06-12 19:30:00Z	GND-A055FL	PJE	PLANNED
ATZ	ATZ EPWSA	2022-06-12 07:00:00Z - 2022-06-12 19:15:00Z	GND-A021FL	GLD	PLANNED
ATZ	ATZ EPWSB	2022-06-12 07:00:00Z - 2022-06-12 19:15:00Z	GND-A055FL	GLD	PLANNED
ATZ	ATZ EPZA	2022-06-12 07:00:00Z - 2022-06-12 20:00:00Z	GND-A055FL	PJE	PLANNED
D	EPD206	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	NOT.G0461/22	PLANNED
D	EPD21	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	DS	PLANNED
D	EPD214	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2602/22	PLANNED
D	EPD215	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2603/22	PLANNED
D	EPD24	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-F180FL	None	PLANNED
D	EPD25A	2022-06-12 06:00:00Z - 2022-06-12 13:00:00Z	GND-F200FL	None	PLANNED
D	EPD260	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2604/22	PLANNED
D	EPD261	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2605/22	PLANNED
D	EPD29	2022-06-12 06:00:00Z - 2022-06-12 21:00:00Z	GND-F115FL	None	PLANNED
D	EPD31	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	None	PLANNED
D	EPD37	2022-06-12 07:00:00Z - 2022-06-12 16:00:00Z	GND-F070FL	None	PLANNED
D	EPD38	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A035FL	None	PLANNED
D	EPD53B	2022-06-12 00:00:00Z - 2022-06-12 06:00:00Z	GND-F660FL	BALTOPS22	PLANNED
D	EPD53B	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-F660FL	BALTOPS22	PLANNED
NPZ	EPNPZ3	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F195-F315FL	NOT.D2647/22	PLANNED
ADHOC	EPR104	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A018FL	NOT.D3085/22/W	PLANNED
ADHOC	EPR105	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A018FL	NOT.D3086/22/W	PLANNED
ADHOC	EPR128	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.B2149/22	PLANNED
R	EPR142	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F255-F365FL	NOT.D2589/22	PLANNED
R	EPR143	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	NOT.D2590/22	PLANNED
R	EPR145	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F225-F315FL	NOT.D2591/22	PLANNED
R	EPR147	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F195-F275FL	NOT.D2592/22	PLANNED
R	EPR148	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-F660FL	NOT.E1362/22	PLANNED
R	EPR150	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F225-F315FL	NOT.D2593/22	PLANNED
R	EPR151	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F225-F315FL	NOT.D2594/22	PLANNED
R	EPR152	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F195-F315FL	NOT.D2595/22	PLANNED
R	EPR161	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A025FL	NOT.D2485/22	PLANNED
R	EPR220	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1438/22	PLANNED
R	EPR221	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1439/22	PLANNED
R	EPR222	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.A0785/22	PLANNED
R	EPR223	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.A0786/22	PLANNED
R	EPR224	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1440/22	PLANNED
R	EPR225	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1442/22	PLANNED
R	EPR226	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1444/22	PLANNED
R	EPR227	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1441/22	PLANNED
R	EPR228	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1443/22	PLANNED
R	EPR229	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1445/22	PLANNED
R	EPR230	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1447/22	PLANNED
R	EPR231	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1449/22	PLANNED
R	EPR232	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1446/22	PLANNED
R	EPR233	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1448/22	PLANNED
R	EPR234	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1450/22	PLANNED
R	EPR235	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D2155/22	PLANNED
R	EPR236	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1996/22	PLANNED
R	EPR237	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1451/22	PLANNED
R	EPR238	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1453/22	PLANNED
R	EPR239	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1455/22	PLANNED
R	EPR240	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1457/22	PLANNED
R	EPR241	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1459/22	PLANNED
R	EPR242	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1460/22	PLANNED
R	EPR243	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1456/22	PLANNED
R	EPR244	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1458/22	PLANNED
R	EPR245	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A030FL	NOT.D1461/22	PLANNED
TRA	EPTR03A	2022-06-12 07:00:00Z - 2022-06-12 18:00:00Z	F095-F125FL	PJE/CLN	PLANNED
TRA	EPTR03C	2022-06-12 07:00:00Z - 2022-06-12 18:00:00Z	A065-F095FL	PJE	PLANNED
TRA	EPTR07	2022-06-12 07:00:00Z - 2022-06-12 19:15:00Z	A021-A055FL	GLD/CLN	PLANNED
TRA	EPTR08	2022-06-12 07:00:00Z - 2022-06-12 19:30:00Z	A055-F135FL	PJE/CLN	PLANNED
TRA	EPTR103	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A039FL	RPA	PLANNED
TRA	EPTR104	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A041FL	RPA	PLANNED
TRA	EPTR110	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A042FL	RPA	PLANNED
TRA	EPTR111	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A045FL	RPA	PLANNED
TRA	EPTR119	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A043FL	RPA	PLANNED
TRA	EPTR120B	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A044FL	RPA	PLANNED
TRA	EPTR124	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A046FL	RPA	PLANNED
TRA	EPTR125	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A048FL	RPA	PLANNED
TRA	EPTR126	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A048FL	RPA/W	PLANNED
TRA	EPTR127	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A050FL	RPA/W	PLANNED
TRA	EPTR128	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A055FL	RPA	PLANNED
TRA	EPTR129B	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-F070FL	RPA	PLANNED
TRA	EPTR130B	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A061FL	RPA	PLANNED
TRA	EPTR138	2022-06-12 08:00:00Z - 2022-06-12 15:00:00Z	GND-A013FL	RPA	PLANNED
TRA	EPTR180C	2022-06-12 06:30:00Z - 2022-06-12 19:00:00Z	GND-A025FL	C150/AO	PLANNED
TRA	EPTR181D	2022-06-12 06:30:00Z - 2022-06-12 19:00:00Z	GND-A035FL	C150/AO	PLANNED
TRA	EPTR25	2022-06-12 04:00:00Z - 2022-06-12 06:00:00Z	GND-A050FL	C152/CLN	PLANNED
TRA	EPTR26A	2022-06-12 07:00:00Z - 2022-06-12 18:57:00Z	A035-F095FL	PJE/CLN	PLANNED
TRA	EPTR26B	2022-06-12 08:00:00Z - 2022-06-12 16:00:00Z	A035-A055FL	GLD/CLN	PLANNED
TRA	EPTR29	2022-06-12 07:00:00Z - 2022-06-12 20:00:00Z	A055-F155FL	PJE/W	PLANNED
TRA	EPTR33B	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	A055-F155FL	C152	PLANNED
TRA	EPTR36	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	A055-F135FL	PJE	PLANNED
TRA	EPTR390	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F285FL	NOT.D2596/22/UAV/OAT	PLANNED
TRA	EPTR392	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F285FL	NOT.D2597/22/UAV/OAT	PLANNED
TRA	EPTR393	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F145-F285FL	NOT.D2597/22/UAV/OAT/W	PLANNED
TRA	EPTR399	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F125FL	SUP28/22/OAT/RMK F	PLANNED
TRA	EPTR412	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-F095FL	NOT.D1940/22	PLANNED
TRA	EPTR413	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	NOT.D1940/22	PLANNED
TRA	EPTR432	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A035-A065FL	NOT.D1941/22/BSP/UAV	PLANNED
TRA	EPTR433	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A035-A065FL	NOT.D1942/22/BSP/UAV/W	PLANNED
TRA	EPTR434	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1943/22/BSP/UAV	PLANNED
TRA	EPTR435	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1944/22/BSP/UAV	PLANNED
TRA	EPTR436	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1945/22/BSP/UAV	PLANNED
TRA	EPTR437	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1946/22/BSP/UAV	PLANNED
TRA	EPTR438	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1947/22/BSP/UAV	PLANNED
TRA	EPTR439	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1948/22/BSP/UAV	PLANNED
TRA	EPTR440	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1949/22/BSP/UAV	PLANNED
TRA	EPTR441	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1950/22/BSP/UAV	PLANNED
TRA	EPTR442	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1951/22/BSP/UAV/W	PLANNED
TRA	EPTR443	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A050-F085FL	NOT.D1952/22/BSP/UAV/W	PLANNED
TRA	EPTR444	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A055-F085FL	NOT.D1953/22/BSP/UAV	PLANNED
TRA	EPTR445	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F070-F095FL	NOT.D1954/22/BSP/UAV	PLANNED
TRA	EPTR446	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F070-F095FL	NOT.D1955/22/BSP/UAV	PLANNED
TRA	EPTR447	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	A035-F095FL	NOT.D1956/22	PLANNED
TRA	EPTR448	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F155FL	NOT.D1957/22/OAT	PLANNED
TRA	EPTR449	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F145-F285FL	NOT.D2598/22/OAT	PLANNED
TRA	EPTR45	2022-06-12 07:00:00Z - 2022-06-12 19:30:00Z	GND-A020FL	PJE	PLANNED
TRA	EPTR457	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2586/22/OAT/W	PLANNED
TRA	EPTR458	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F245FL	NOT.D2587/22/OAT	PLANNED
TRA	EPTR459	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F155-F245FL	NOT.D2588/22/OAT	PLANNED
TRA	EPTR46	2022-06-12 07:00:00Z - 2022-06-12 20:00:00Z	A055-F135FL	PJE	PLANNED
TRA	EPTR473	2022-06-12 05:00:00Z - 2022-06-12 06:00:00Z	GND-A015FL	SUP67/22	PLANNED
TRA	EPTR473	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	GND-A015FL	SUP67/22	PLANNED
TRA	EPTR476	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	GND-A065FL	NOT.E1363/22/W	PLANNED
TRA	EPTR477	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F455-F660FL	NOT.D2599/22/OAT/W	PLANNED
TRA	EPTR479	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F455-F660FL	NOT.D2599/22/OAT	PLANNED
TRA	EPTR488	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F285FL	NOT.D2600/22/UAV/OAT	PLANNED
TRA	EPTR489	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F095-F285FL	NOT.D2601/22/UAV/OAT	PLANNED
TRA	EPTR490	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F245-F285FL	NOT.D1437/22	PLANNED
TRA	EPTR491	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F235-F275FL	NOT.D1437/22	PLANNED
TRA	EPTR494	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F245-F285FL	NOT.D2446/22	PLANNED
ADHOC	EPTR524	2022-06-12 09:40:00Z - 2022-06-12 10:40:00Z	GND-A035FL	NOT.G0590/22/CLN	PLANNED
TRA	EPTR55	2022-06-12 07:00:00Z - 2022-06-12 20:00:00Z	A055-F155FL	PJE	PLANNED
TRA	EPTR57	2022-06-12 06:00:00Z - 2022-06-12 19:00:00Z	A055-F165FL	PJE	PLANNED
TRA	EPTR58	2022-06-12 06:00:00Z - 2022-06-12 19:30:00Z	GND-A065FL	PJE	PLANNED
TRA	EPTR59	2022-06-12 07:00:00Z - 2022-06-12 18:30:00Z	GND-F145FL	PJE/W	PLANNED
TRA	EPTR60B	2022-06-12 07:00:00Z - 2022-06-12 19:30:00Z	A055-F155FL	PJE	PLANNED
TRA	EPTR68A	2022-06-12 06:00:00Z - 2022-06-12 18:00:00Z	GND-A065FL	C152	PLANNED
TRA	EPTR69D	2022-06-12 07:00:00Z - 2022-06-12 16:00:00Z	GND-F070FL	RMK F	PLANNED
TRA	EPTR69E	2022-06-12 07:00:00Z - 2022-06-12 16:00:00Z	GND-F070FL	CLN/RMK F	PLANNED
TRA	EPTR98	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F155-F285FL	BSP/UAV/OAT	PLANNED
TRA	EPTR99	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F155-F285FL	BSP/UAV/OAT/W	PLANNED
TSA	EPTS14A	2022-06-12 06:00:00Z - 2022-06-12 12:00:00Z	A035-F195FL	SUP68/22/OAT	PLANNED
TSA	EPTS14C	2022-06-12 06:00:00Z - 2022-06-12 12:00:00Z	GND-F195FL	SUP68/22/OAT	PLANNED
TSA	EPTS26	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F235-F275FL	KC135	PLANNED
TSA	EPTS28	2022-06-12 06:00:00Z - 2022-06-13 06:00:00Z	F205-F245FL	KC135	PLANNED
TSA	EPTS29	2022-06-12 07:00:00Z - 2022-06-12 19:00:00Z	F205-F245FL	KC135	PLANNED
TSA	EPTS454	2022-06-12 09:00:00Z - 2022-06-12 17:00:00Z	A065-F085FL	SUP66/22/CLN	PLANNED
TSA	EPTS460	2022-06-12 09:00:00Z - 2022-06-12 17:00:00Z	A055-F075FL	SUP66/22/CLN	PLANNED
TSA	EPTS466	2022-06-12 09:00:00Z - 2022-06-12 17:00:00Z	A035-A065FL	SUP66/22/CLN	PLANNED

*Źródło AUP oraz UUP publikowany przez PANSA, lokalne dane aktualizowane co 30 minut
*Przed rozpoczęciem lotów zawsze potwierdź zajętość stref w FIS

• UAV/BSP - UNMANNED AERIAL VEHICLE/BEZZALOGOWY STATEK POWIETRZNY
• RPA - REMOTELY PILOTED AIRCRAFT/ZDALNIE STEROWANE BEZZALOGOWE STATKI POWIETRZNE
• /W - W PRZYPADKU KONFLIKTU ZE STRUKTURA Z PRZYZNANYM PRIORYTETEM ZEZWOLENIE JEST WYDAWANE WARUNKOWO /W - CONDITIONAL PERMISSION IN CASE OF A CONFLICT WITH AN AREA HAVING A PRIORITY
• CLN - STREFA KOLIZYJNA - PATRZ AIP ENR 2.2.2-2 PUNKT 4 / CONFLICT AREA - SEE AIP ENR 2.2.2-2 POINT 4