Airports / Australia / SIO
Smithton Airport.
Australia · 31 ft elevation. A private-aviation gateway on the Bravo register.
4.0/5
Google rating
5 ratings
0
Operators based
31
Elevation ft
Google rating
Google reviews
Field elevation
Nearest alternate
Field standing
31 nm
To the nearest alternate
Wynyard Airport (BWT).
Overview
Smithton Airport (YSMI / SIO) is a mid-sized airport serving Australia. The field lies at an elevation of 31 feet. The field has no airline schedules, which keeps it focused on private and general aviation flying.
SIO has no resident charter fleet; trips here are typically flown by operators repositioning from surrounding airports. Useful alternates include Wynyard Airport (BWT, 31 nm), Devonport Airport (DPO, 64 nm), and King Island Airport (KNS, 80 nm). SIO offers 2 runways, the longest 5,246-foot paved runway, which supports charter types through the super-midsize jet class.
Quotes for flights out of SIO vary with aircraft type, repositioning, and schedule flexibility. Use the cost estimator to model a trip from SIO, or browse verified operators serving the area.
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Field capability
ICAO
YSMI
IATA
SIO
FAA / Local
YSMI
Elevation
31 ft
Coordinates
40.8350° S · 145.0840° E
Airspace
G · GolfClass G, GolfUncontrolled field, no tower. Pilots self-announce and sequence themselves on the common traffic advisory frequency.Source: FAA NASR class airspace
Size
Medium
Scheduled svc
No
Elevation vs Australia fields
state range 7–4,260 ft
At 31 ft, SIO sits lower than 86% of the 191 Australia fields on the register.
Runways & aircraft access
2 runways
longest 5,246 ft
- 06/245,246 ft × 60 ftAsphaltLighted
- 10/282,034 ft × 98 ftOtherUnlit
Which aircraft can operate here
vs longest paved runway 5,246 ft
SIO's 5,246 ft paved runway typically supports charter aircraft up to super-midsize jets.
- Turboprop3,000 ft
- Light Jet3,500 ft
- Midsize Jet4,500 ft
- Super-Midsize Jet5,000 ft
- Heavy Jet5,500 ft
- VIP Airliner6,000 ft
Class minimums are sea-level planning rules of thumb. A specific aircraft's balanced-field length varies with weight, temperature, and field elevation. Confirm performance with the operator.
Access & alternates
Closest alternate fields by great-circle distance, every listing links to its own field brief.
- 31nmBWTWynyard AirportBurnie
- 64nmDPODevonport AirportDevonport
- 80nmKNSKing Island Airport
- 105nmLSTLaunceston AirportLaunceston (Western Junction)
- 162nmHBAHobart International AirportHobart (Cambridge)
- 170nmTGNLatrobe Valley AirportMorwell
Location
Open the full mapYSMI · Smithton Airport
Flight times from here
Approximate nonstop block times from SIO on a typical midsize charter jet. Faster classes trim these; add positioning and taxi for the real schedule.
| Destination | Distance | Block time |
|---|---|---|
| Honolulu (HNL) | 4,899 nm | 11h 48m |
| Anchorage (ANC) | 6,888 nm | 16h 25m |
| San Francisco (SFO) | 6,916 nm | 16h 29m |
| Los Angeles (VNY) | 6,962 nm | 16h 35m |
| Las Vegas (LAS) | 7,161 nm | 17h 3m |
| Scottsdale (SCF) | 7,220 nm | 17h 11m |
| Seattle (SEA) | 7,225 nm | 17h 12m |
| Salt Lake City (SLC) | 7,429 nm | 17h 41m |
Common questions
- What size private jets can use SIO?
- Smithton Airport's longest paved runway is 5,246 ft, which typically supports charter aircraft up to super-midsize jets. Lighter classes (turboprops, light and midsize jets) operate comfortably; confirm exact performance for a specific tail with the operator, since balanced-field length shifts with weight, temperature, and elevation.
- What is the longest runway at SIO?
- Smithton Airport has 2 runways; the longest measures 5,246 ft on a paved surface and is lit for night operations.
- What is the nearest major airport to SIO?
- The closest alternate is Wynyard Airport (BWT), about 31 nm away, followed by Devonport Airport (DPO) at 64 nm. Operators often position aircraft between these fields depending on ramp space and availability.
- How long is a flight from SIO to major cities?
- Typical block times on a midsize jet: Honolulu about 11h 48m (4,899 nm), Anchorage about 16h 25m (6,888 nm), San Francisco about 16h 29m (6,916 nm). Faster classes trim these times; add positioning and taxi for the real schedule.