N905CH — S-61 N of Construction Helicopters LLC
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Live status
Last seen on radar: July 17, 2026.
Facts
- Type
- S-61 N
- Manufacturer
- Sikorsky
- Operator
- Construction Helicopters LLC
- Country
- United States
- Serial (MSN)
- 61711
- ICAO hex
- AC81F9
Rarity & spotters
★★★★★N905CH is the only S-61 N in our database — a true rarity.
Activity
From our radar history of the last 7 days.
- Flights
- 1
- Airborne time
- 0.6 h
- Max altitude
- 3,200 ft
- Max speed
- 147 kt
- Typical cruise
- 2,200 ft · 143 kt
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Airborne minutes per weekday (UTC)
00
04
08
12
16
20
Airborne minutes per hour of day (UTC)
About the type: Sikorsky S-61
The Sikorsky S-61L and S-61N are civil variants of the SH-3 Sea King military helicopter. They were developed and produced by the American helicopter manufacturer Sikorsky Aircraft.
Track it live on the map
See N905CH and the surrounding airspace in real time in the spotter radar — get the Aero.Academy app now.