N
N420DS
PAPA SIERRA LLC · KMDQ → HSV
N420DS is operated by PAPA SIERRA LLC between Madison County Executive Airport-Tom Sharp Jr Field (KMDQ) and Huntsville International Carl T Jones Field (KHSV). The flight is most often flown by a DIAMOND Diamond Star DA40. Typical block time is 0h 45m. SkyMeter has observed 34 legs of this flight number via ADS-B.
✈
FLIGHTS
34
last 90 days
⏱
AVG DURATION
45m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/14/2026
first → last seen
🗺
ROUTES / TYPES
17 / 1
city pairs · airframes
⚠
INCIDENT RATE
2.9%
1 flagged
Routes flown
By count · last 90 days
avg 11m
·
Madison County Executive Airport-Tom Sharp Jr Field → Huntsville International Carl T Jones Field
avg 4h 59m
·
Huntsville International Carl T Jones Field → Dane County Regional Truax Field
Aircraft types
Equipment used on this number
Safety profile
Flagged flights · last 90 days
Go-arounds
0
Unstable approach
1
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 N420DS
07/26/2026
2h 44m
No alerts
07/26/2026
2h 20m
⛨ TFR entry
07/18/2026
4h 38m
No alerts
07/17/2026
4h 59m
No alerts
07/16/2026
1h 4m
No alerts
07/14/2026
55m
No alerts
07/09/2026
1h 28m
No alerts
07/05/2026
1h 30m
No alerts
06/24/2026
6m
△ Low approach-stability score
06/22/2026
1h 5m
No alerts
06/15/2026
1h 14m
No alerts
© SkyMeter ·
All flight data subject to ODbL attribution
·
Tracked: 90-day window