N81SU is operated by MEDARY AVIATION LLC between Brookings Regional Airport (KBKX) and Pierre Regional Airport (KPIR). The flight is most often flown by a BEECH Beech King Air 90. Typical block time is 1h 9m. SkyMeter has observed 51 legs of this flight number via ADS-B.

✈
FLIGHTS
51
last 90 days
⏱
AVG DURATION
1h 9m
tracked time
📅
SERVICE PERIOD
5/28/2025 → 8/31/2026
first → last seen
🗺
ROUTES / TYPES
31 / 1
city pairs · airframes
⚠
INCIDENT RATE
9.8%
5 flagged

Routes flown

By count · last 90 days

10
KBKX → KPIR
6
avg 48m · Brookings → Pierre
KBKX → KRAP
4
avg 1h 18m · Brookings → Rapid City
KPIR → KBKX
2
avg 1h 22m · Pierre → Brookings
KPIR → KRAP
2
avg 40m · Pierre → Rapid City
KFSD → KBKX
1
avg 16m · Joe Foss Field → Brookings
KFSD → KSPF
1
avg 1h 43m · Joe Foss Field → Black Hills Airport-Clyde Ice Field
KBKX → K49B
1
avg 1h 25m · Brookings → Sturgis
KFTG → 3A9
1
avg 1h 36m · Colorado Air and Space Port → Arlington
0SD4 → KSUX
1
avg 28m · Brookview Manor Heliport → Sioux Gateway Airport/Brigadier General Bud Day Field
KPIR → KFSD
1
avg 48m · Pierre → Joe Foss Field

Aircraft types

Equipment used on this number

1
BE9L BEECH Beech King Air 90
57

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of N81SU

30
N81SUBEECH Beech King Air 90
→
8/31/2026
1h 8m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/31/2026
1h 15m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/28/2026
2h 47m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/27/2026
1h 16m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/27/2026
3h 12m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/27/2026
1h 13m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/26/2026
1h 4m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/25/2026
40m
△ Low approach-stability score
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/25/2026
42m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/25/2026
1h 23m
△ Low approach-stability score
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/25/2026
1h 17m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/24/2026
1h 33m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/24/2026
1h 26m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/20/2026
40m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/20/2026
56m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/4/2026
1h 36m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
8/4/2026
2h 13m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/31/2026
1h 7m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/31/2026
1h 11m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/23/2026
1h 7m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/23/2026
1h 18m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/22/2026
1h 0m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/22/2026
1h 25m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/17/2026
1h 6m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/16/2026
39m
△ Low approach-stability score
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/15/2026
42m
△ Low approach-stability score
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/9/2026
35m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/9/2026
41m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/8/2026
36m
No alerts
Replay Analysis
N81SUBEECH Beech King Air 90
→
7/8/2026
44m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window