N4639C is operated by HANSMAN ROBERT J, WERNICK LAURA A between Twin Mountain Airport (8B2) and Mount Washington Regional Airport (KHIE). The flight is most often flown by a CESSNA Cessna 170. Typical block time is 0h 20m. SkyMeter has observed 13 legs of this flight number via ADS-B.

✈
FLIGHTS
13
last 90 days
⏱
AVG DURATION
20m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 08/24/2026
first → last seen
🗺
ROUTES / TYPES
10 / 1
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
8B2 → KHIE
1
avg 4m · Twin Mountain → Mount Washington
NH49 → KPYM
1
avg 1h 25m · Bradley Field → Plymouth
VT01 → KBTV
1
avg 17m · Teal Farm → Burlington
KPYM → KPVC
1
avg 12m · Plymouth → Provincetown
1B5 → KHIE
1
avg 25m · Franconia → Mount Washington

Aircraft types

Equipment used on this number

1
C170 CESSNA Cessna 170
13

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
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 N4639C

30
N4639CCESSNA Cessna 170
→
08/24/2026
12m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/24/2026
1h 25m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/09/2026
5m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/09/2026
2m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/09/2026
9m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/23/2026
7m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/23/2026
10m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/23/2026
16m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/13/2026
6m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/13/2026
25m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
06/08/2026
6m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
06/08/2026
3m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/28/2026
1h 7m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/13/2026
21m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/13/2026
12m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/13/2026
15m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/13/2026
15m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/13/2026
13m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
04/26/2026
1h 0m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
03/02/2026
26m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
11/19/2025
55m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
11/11/2025
12m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
10/25/2025
33m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/21/2025
36m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/19/2025
44m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
08/05/2025
1h 3m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
07/22/2025
1h 1m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
06/23/2025
38m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
06/22/2025
38m
No alerts
Replay Analysis
N4639CCESSNA Cessna 170
→
05/28/2025
43m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window