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Does Thule Subterra 2 Travel Backpack 34L fit Cape Air?

This page compares the bag dimensions we have against one published airline rule, renders the fit to scale, and keeps the caveats visible.

Personal item

Thule Subterra 2 Travel Backpack 34L

Does not fit

Thule Subterra 2 Travel Backpack 34L is larger than the published personal-item dimensions. Pick a smaller alternative for this airline rule.

Visual sizer

Bag vs airline rule

Does not fit

Does not fit. Largest overage: 14.5 in.

Scaled fit visualizationDoes not fit. Largest overage: 14.5 in.Bag size9.1 x 12.2 x 20.5 inRule size12 x 8 x 6 inRule width 8 inRule length 12 inBag width 12.2 inBag length 9.1 inDepth: Bag 20.5 in / Rule 6 in

Does not fit. Largest overage: 14.5 in.

Height

Spare room +2.9 in

Bag 9.1 in / Rule 12 in

Width

Over by 4.2 in

Bag 12.2 in / Rule 8 in

Depth

Over by 14.5 in

Bag 20.5 in / Rule 6 in

  • info: Cessna 402 and Britten-Norman Islander aircraft have no underseat or overhead baggage storage; carry-on-sized bags are checked planeside.
Bag
9.1 x 12.2 x 20.5 in
Rule
12 x 8 x 6 in
Risk
92/100
Confidence
high

Margins: length 2.9 in, width -4.2 in, depth -14.5 in.

Main issue: width by 4.2 in, depth by 14.5 in.

Bag data

Audited dimensions
Last reviewed
2026-05-29
Dimension confidence
high
Primary source
manufacturer

Airline rule data

Airline-published rule
Last reviewed
2026-06-15
Rule confidence
high

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