UIA8991

Flight

Status

Incomplete (signal lost)

Departure

Tainan Airport (TNN) — Tainan City, Taiwan

Departed

2026-10-02 08:13 UTC

Arrival

Makung Airport (MZG) — Makung City, Taiwan (predicted)

Distance flown

202 km

Straight-line distance

91 km

Aircraft

Registration

B-17003

Type

AEROSPATIALE ALENIA ATR72-600

Altitude & speed

Max altitude

13,000 ft

Max ground speed

273 kt

Tracked

32m · 202 km

Altitude (ft, max 13,000)

Ground speed (kt, max 273)

Altitude (ft, max 13,000)

Ground speed (kt, max 273)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airlines

Starlux Airlines (SJX)

Uni Air (UIA)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 08:13 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17003	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~351 km est. (202 km recorded)
2026-10-01 07:58 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17003	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~361 km est. (207 km recorded)
2026-09-30 07:54 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~343 km est. (199 km recorded)
2026-09-29 08:23 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17015	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~167 km est. (126 km recorded)
2026-09-28 08:01 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17013	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~182 km est. (129 km recorded)
2026-09-27 08:06 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17013	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~336 km est. (193 km recorded)
2026-09-26 08:02 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Completed	106 km
2026-09-25 08:07 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~162 km est. (124 km recorded)
2026-09-24 08:08 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17006	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~149 km est. (118 km recorded)
2026-09-24 06:56 UTC	UIA8991	MZG → TNN Makung City → Tainan City	B-17006	AEROSPATIALE ALENIA ATR72-600	Completed	135 km
2026-09-23 08:01 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17016	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~262 km est. (164 km recorded)
2026-09-22 08:04 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17016	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~257 km est. (162 km recorded)
2026-09-21 08:03 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17009	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~188 km est. (137 km recorded)
2026-09-20 07:57 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17009	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	110 km
2026-09-19 08:05 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17003	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~249 km est. (159 km recorded)
2026-09-18 08:20 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17005	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~153 km est. (117 km recorded)
2026-09-17 08:13 UTC	UIA8991	TNN → ? Tainan City → ?	B-17008	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	110 km
2026-09-16 08:12 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Completed (landing presumed)	106 km
2026-09-15 08:15 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~175 km est. (129 km recorded)
2026-09-14 08:09 UTC	UIA8991	TNN → ? Tainan City → ?	B-17012	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	127 km
2026-09-13 08:00 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17012	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~275 km est. (168 km recorded)
2026-09-12 08:05 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17001	AEROSPATIALE ALENIA ATR72-600	Completed (landing presumed)	99 km
2026-09-11 08:09 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17016	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~206 km est. (139 km recorded)
2026-09-10 08:09 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17009	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~109 km est. (85 km recorded)
2026-09-09 08:00 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17009	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~237 km est. (151 km recorded)
2026-09-08 07:59 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17009	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~115 km est. (63 km recorded)
2026-09-07 08:03 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17005	AEROSPATIALE ALENIA ATR72-600	Completed (landing presumed)	101 km
2026-09-06 08:07 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17005	AEROSPATIALE ALENIA ATR72-600	Completed (landing presumed)	89 km
2026-09-05 08:21 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17013	AEROSPATIALE ALENIA ATR72-600	Completed (landing presumed)	98 km
2026-09-04 08:07 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17013	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~121 km est. (89 km recorded)
2026-09-03 07:57 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17013	AEROSPATIALE ALENIA ATR72-600	Incomplete (signal lost)	~156 km est. (122 km recorded)
2026-09-02 08:15 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17002	AEROSPATIALE ALENIA ATR72-600	Completed	~122 km est. (84 km recorded)
2026-09-01 08:17 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17011	AEROSPATIALE ALENIA ATR72-600	Completed	116 km
2026-08-31 08:15 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17005	AEROSPATIALE ALENIA ATR72-600	Completed	213 km
2026-08-30 07:58 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17005	AEROSPATIALE ALENIA ATR72-600	Completed	145 km
2026-08-29 08:08 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17002	AEROSPATIALE ALENIA ATR72-600	Completed	~172 km est. (126 km recorded)
2026-08-28 08:14 UTC	UIA8991	TNN → MZG Tainan City → Makung City	B-17002	AEROSPATIALE ALENIA ATR72-600	Completed	201 km
2026-08-27 08:04 UTC	UIA8991	TNN → ? Tainan City → ?	B-17006	AEROSPATIALE ALENIA ATR72-600	Completed	166 km
2026-08-26 08:02 UTC	UIA8991	TNN → TNN Tainan City → Tainan City	B-17006	AEROSPATIALE ALENIA ATR72-600	Completed	~449 km est. (206 km recorded)
2026-08-25 08:33 UTC	UIA8991	TNN → TNN Tainan City → Tainan City	B-17005	AEROSPATIALE ALENIA ATR72-600	Completed	~392 km est. (189 km recorded)
2026-08-11 07:48 UTC	UIA8991	TNN → TNN Tainan City → Tainan City	B-17003	AEROSPATIALE ALENIA ATR72-600	Completed	~1 km est. (0 km recorded)
2026-08-11 07:48 UTC	UIA8991	TNN → TNN Tainan City → Tainan City	B-17003	AEROSPATIALE ALENIA ATR72-600	Completed	~1 km est. (0 km recorded)
2026-08-10 23:20 UTC	UIA8991	TNN → TNN Tainan City → Tainan City	B-17003	AEROSPATIALE ALENIA ATR72-600	Completed	225 km