FIFO Custody Arrangements in Australia

Standard alternating-week custody schedules don't work when one parent flies to a mine site for two or three weeks at a stretch. Fly-in, fly-out (FIFO) and remote roster work is a major part of the Northern Territory and Western Australian economy, and family law hasn't kept pace with how these families actually operate.

The result: FIFO parents need parenting plans built around roster blocks, not traditional weekly rotation. Here's how to structure one that works legally and practically.

Why Standard Schedules Fail

A typical shared parenting arrangement — alternating weeks, or weekday/weekend splits — assumes both parents are available in the same location on a predictable weekly cycle. FIFO rosters demolish that assumption.

Common roster patterns:

• 2 weeks on, 1 week off (2:1)
• 2 weeks on, 2 weeks off (2:2 — even time)
• 3 weeks on, 1 week off (3:1)
• 8 days on, 6 days off (8:6)
• Irregular or rotating rosters that change quarterly

When you're deployed to a remote site with no ability to do school runs, midweek dinners, or weekend sport, the schedule must flex around the roster — not pretend the roster doesn't exist.

Block Scheduling Models

The most effective approach for FIFO families is block scheduling: concentrating parenting time during "off" periods rather than trying to maintain weekly contact during "on" periods.

The "Off Block = Full Time" Model

During the FIFO parent's off weeks, the child lives with them full time. During on weeks, the child lives with the other parent. Changeover happens on the first and last day of each off block.

Pros: Maximum quality time during off periods. Clear, predictable transitions. The child gets uninterrupted blocks with each parent.

Cons: Long stretches without contact during on blocks. Younger children may struggle with extended separations. The FIFO parent's care percentage depends entirely on the roster ratio.

The "Off Block + Midweek Contact" Model

Same as above, but with structured video call windows during on-block periods — for example, FaceTime every Tuesday and Thursday at 6pm local time. The calls maintain connection without disrupting the other parent's routine.

The "Holiday Priority" Model

For parents on very long rosters (3:1 or irregular patterns), concentrating parenting time during school holidays rather than trying to match roster blocks to school terms. The FIFO parent gets the majority of holiday periods; the other parent has the child during term time.

Care Percentage Implications

FIFO rosters directly affect child support calculations through the care level table:

The 52-night threshold matters here. A parent on a 3:1 roster who uses their off weeks fully still clears 91 overnights per year — well above the Regular Care floor. But if the roster changes to 4:1, they drop to roughly 73 nights. Both are in the same 24% cost band, but the care experience is very different.

What Courts Consider

Courts don't penalise FIFO parents for their work schedule. Under the Section 60CC best interests framework, what matters is the quality of the parent-child relationship and the parent's capacity to provide care — not whether they work standard office hours.

However, courts do scrutinise:

Consistency. Is the FIFO parent reliably exercising their off-block time, or are they frequently skipping or shortening it? A pattern of not using allocated time undermines an argument for more.

Transition quality. How does the child handle changeovers? For young children, frequent transitions between two very different environments (a family home vs. adapting to a returning FIFO parent) can be disruptive.

Communication during on blocks. Is the FIFO parent maintaining contact via video calls during deployment, or effectively disappearing for the on-block period?

Roster stability. A fixed 2:2 roster is easier to build a plan around than an irregular pattern that changes quarterly. Courts prefer predictable arrangements.

Essential Parenting Plan Clauses for FIFO Families

Roster notification. The FIFO parent must provide their roster to the other parent as soon as it's issued — typically 30-60 days in advance. If the roster changes, immediate notification is required.

Make-up time. If the FIFO parent misses allocated time due to roster changes, flight cancellations, or site extensions, the plan should specify how that time is made up — typically added to the next off block or allocated during the next school holiday period.

Changeover logistics. Specify who handles airport pickups, whether the FIFO parent comes to the child's home or collects from a neutral location, and what happens if flights are delayed.

Communication windows. Define specific times for video calls during on-block periods. Include the platform (FaceTime, Zoom), frequency (e.g., Tuesday and Thursday 5:30-6:00pm), and a provision that the residential parent won't monitor or interfere with calls.

Emergency contact. How the FIFO parent is reached in an emergency during deployment, and the protocol for getting off-site if the child has a medical crisis.

The Northern Territory Child Custody & Parenting Plan Guide includes FIFO-specific parenting plan templates with pre-drafted roster notification, make-up time, and communication clauses — designed for Territory families where mining, defence, and remote work are the norm.

See more Northern Territory guides →