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N3173U

Built 1963 · registered US

Free alerts when N3173U's registration or status changes, or the S-61 market moves.

Representative photo of a Sikorsky S-61Type photo — not this specific aircraftPhoto: PH1 R.O. Overholt, USN · Public domain
This aircraft is a
Sikorsky S-61(S61)
Full specs

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Performance specs

Performance
Range
450 nm
Cruise speed
118 kt
Max speed
144 kt
Service ceiling
12,500 ft
Takeoff distance
—
Landing distance
—
Weights
MTOW
5,300 kg
Empty weight
—
Fuel capacity
3,180 L
Dimensions
Length
16.7 m
Wingspan
—
Height
4.8 m
Capacity
Seats
26
Max passengers
26
How common is this aircraft?
83Sikorsky S-61 registered worldwide

Common. More common than 72% of the aircraft models we track.

More S-61 aircraft

Other S-61 airframes by tail number — same model as N3173U.

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What to do next

Registration history

(1)
  • N3173UUSACTIVE
    SILLER HELICOPTERS LLC
    2025 – present

Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal

N3173U — frequently asked
What aircraft model is N3173U?

N3173U is a Sikorsky S-61, built in 1963. Sprinkle's record for N3173U covers its lineage, ownership history and specifications.

Is N3173U currently active?

Registry records list N3173U's status as Active, registered in United States — a Sikorsky S-61.

What is the manufacturer serial number (MSN) of N3173U?

N3173U carries manufacturer serial number (MSN) 61186, the serial assigned to this Sikorsky S-61 airframe when it was built.

What is the ICAO24 / Mode S code for N3173U?

N3173U's ICAO24 (Mode S) transponder code is A363A6 — the hex address the Mode S transponder on this Sikorsky S-61 broadcasts.