TESTER21 is operated by between Patuxent River Naval Air Station (Trapnell Field) (KNHK) and Webster Nolf Airport (KNUI). The flight is most often flown by a RAYTHEON Raytheon Texan 2. Typical block time is 1h 1m. SkyMeter has observed 7 legs of this flight number via ADS-B.
✈
FLIGHTS
7
last 90 days
⏱
AVG DURATION
1h 1m
tracked time
📅
SERVICE PERIOD
03/24/2026 → 05/15/2026
first → last seen
🗺
ROUTES / TYPES
3 / 1
city pairs · airframes
⚠
INCIDENT RATE
14.3%
1 flagged
Routes flown
By count · last 90 days
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
1
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 16 operations of TESTER21
05/15/2026
1h 7m
! Stall
05/14/2026
59m
No alerts
05/13/2026
1h 5m
No alerts
05/08/2026
1h 10m
No alerts
05/04/2026
47m
No alerts
04/30/2026
1h 18m
No alerts
04/30/2026
44m
No alerts
04/07/2026
25m
No alerts
03/31/2026
1h 6m
! Stall
03/31/2026
1h 13m
No alerts
03/30/2026
1h 13m
No alerts
03/30/2026
1h 19m
No alerts
03/26/2026
1h 1m
No alerts
03/25/2026
1h 6m
No alerts
03/24/2026
59m
No alerts
03/24/2026
40m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window