Building Types
80x80 Helicopter Hangar
- Width
- 80 ft
- Length
- 80 ft
- Floor area
- 6,400 sq ft
- Perimeter
- 320 ft
Use
How a 80×80 Helicopter Hangar May Be Used
Door span
The clear door opening, not the footprint, is usually the governing dimension.
Tail height
Required clearance is set by the aircraft, and it drives eave and door height.
Maintenance area
Working space around the aircraft is planned separately from the parking envelope.
Apron access
Approach and taxi access affect where the opening is placed.
Example
Example Configuration
Quick dimensions
At a Glance
Width
80 ft across the gable end.
Length
80 ft along the sidewall.
Floor area
6,400 sq ft of clear floor.
Eave height
14 ft at the sidewall on the stored profile.
Configuration
How This Building Is Configured
Configuration summary
| Building type | Helicopter Hangar |
|---|---|
| Footprint | 80 ft × 80 ft |
| Floor area | 6,400 sq ft |
| Eave height | 14 ft |
Planning
Footprint & Space Planning
Footprint
Width and length are chosen together: width is usually fixed by what has to fit side by side, length by how many bays are needed.
Height
Eave height is commonly the governing dimension here, because clearance for the tallest item sets the door and the wall.
Access
Where vehicles and people enter changes the whole interior layout, so access is settled before anything else.
Doors and openings
Opening width, height and position are specified with the supplier; they affect the frame and the wall bracing.
Site
Slope, drainage, access for delivery and erection, and the foundation are confirmed for the actual property.
Expansion
Extending along the length is usually simpler than changing the width later, which is worth deciding up front.
Access
Doors & Access Considerations
Opening width
Across a 80 ft gable end, the practical opening width is limited by the frame and confirmed with the supplier.
Opening height
A 14 ft eave sets the ceiling on door height before any frame change.
Drive-through
Matching openings at both ends avoid reversing, at the cost of usable wall.
Similar sizes
Other Sizes for a Helicopter Hangar
80′ × 60′
4,800 sq ft
80′ × 100′
8,000 sq ft
70′ × 80′
5,600 sq ft
Related
Related Building Types
Aircraft Hangar
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Clear Span Building
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Commercial Building
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Industrial Building
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Example configuration — for planning purposes only.
FAQ
Common Questions
80 ft × 80 ft is 6,400 square feet of floor area before any interior partitions.
Length is usually adjusted in bay increments, and width is a larger design change. Both are confirmed with the supplier for the final design.
Site preparation, foundation and erection are commonly quoted separately from the building package. Confirm the scope of any quote you receive.
Compare nearby sizes
Related footprints for this building type
Each page works through one footprint for one building type.
Cost drivers
Quantities that move the estimate at 80x80
Quantities, not prices, are publishable here: roof cladding runs 6,597 square feet — 3% above the 6,400-square-foot floor at a 3:12 pitch — with 79 cubic yards of nominal slab beneath it. The plan is only as good as the route into it, which is a site question rather than a building one.
Floor marking, the equipment-scale opening and localised power for charging or servicing gear are the distinguishing items. Any specific electrical or fuel-handling requirement is determined for the specific building and jurisdiction.
- the clear opening width for the rotor arrangement
- the door system chosen and the end frame it requires
- height above the rotor head
- the pad and ground handling path outside
Overview
A 80x80 helicopter hangar planned as an aircraft floor with an allocated ground-support equipment zone
This page is ordered around the support and equipment zones, because ground equipment, parts and crew functions are the claims that erode a clear floor if the plan does not give them somewhere.
The footprint holds 24 support equipment bays — 6 across by 4 deep — and the remaining 4 feet is marginal: there is no marked lane, so support equipment parks against whichever wall is nearest and the floor is cleared before each movement.
What distinguishes 80x80 is depth behaviour: 4 rows along 80 feet after 12 feet of circulation, with 4 feet unaccounted for at the end of the run. Fire separation, egress and occupancy are determined for the specific building and can reshape this plan entirely.
A 80 by 80 footprint is a near-square plan: 6,400 sq ft enclosed by 320 ft of wall, at a 1:1 length-to-width proportion. Along its 80 ft dimension it takes 5 runs of support equipment bays at 16 ft, leaving 0 ft over — the 0 ft is where the argument about this size actually happens. Taken purely as arithmetic, 80 by 80 gives 5 support equipment bays across the 80 ft dimension once 12 ft is reserved for movement, and 5 deep along the 80 ft dimension. Run as a an aircraft floor with an allocated ground-support equipment zone, 8 ft across is below the 10 ft this use needs to be worth planning, so there is no marked lane, so support equipment parks against whichever wall is nearest and the floor is cleared before each movement Ground handling equipment is the claim most often omitted from a hangar plan and the one most reliably present in a hangar.
At 80x80 the operating question is a specific one: where does ground support equipment live when the aircraft is inside, and where does it live when the aircraft is not? That is a different question from the one a helicopter hangar of another shape has to answer, and it is why this footprint is planned as an aircraft floor with an allocated ground-support equipment zone rather than as generic covered area.
Areas, perimeter, roof area, ridge height, slab volume and the support equipment bay counts on this page are computed from the stored 80x80 record and this platform's planning module for the helicopter hangar category.
Configurations
Configuring 24 support equipment bays at 80x80
Nominal bay division computes to 4 bays at about 20 feet, wider than the 12-foot module — so a position can sit inside a bay without a frame line splitting it. Judge the plan by what has to happen on the worst day of the year, not on an average one.
Two-plus rows change the access question entirely. Every rear position at 80x80 needs either its own opening or an aisle, and 8 feet of spare width is what that aisle has to come from. Rows that cannot be entered independently end up used as one long space.
Extension is cheapest along the 80 ft dimension, where each added bay repeats work already framed; widening past 80 ft is a different frame rather than a longer one. Growing to 80 by 96 adds a 6th run of support equipment bays — useful if the constraint is support equipment bays rather than the 0 ft already spare at the far end.
Configured as an aircraft floor with an allocated ground-support equipment zone, 80x80 is judged on whether the 24 support equipment bays it holds match the operation, and on whether the 8 feet of spare width leaves the route this mode depends on.
- Does the work need racking or work zones on both sides with a full vehicle lane down the middle, or does it need a second lane that this 80-foot span cannot give?
- Is the 80-foot length being bought for depth, or for the repeated bays — six to eight repeated bays, and the bay line becomes the organising device for the whole plan?
- Are blades folded or spread when the aircraft passes the door?
- Does the handling path from the pad keep rotor clearance the whole way?
Bay division shown here is a planning module computed from the stored length. Actual bay spacing is set by the manufacturer's frame design for the building.
Allocation
Dividing the floor for an aircraft floor with an allocated ground-support equipment zone
The hangar pattern this footprint could equally be operated as is a compact shelter planned around one aircraft and little else: the margin is minimal, so ground equipment is moved outside whenever the aircraft is repositioned. One wall is given to equipment in a defined lane, with the aircraft position kept clear of it by a margin rather than sharing an edge. Equipment parked against the aircraft position is equipment that has to be moved before the aircraft can be.
The 4-foot leftover depth falls under the 10 feet this platform treats as usable for a helicopter hangar, so there is no marked lane, so support equipment parks against whichever wall is nearest and the floor is cleared before each movement. The mezzanine that is added afterwards is the change order that reprices the frame.
The 8 feet of spare width runs the whole 80-foot length — 640 square feet of wall strip. It earns its keep as shelving, staging or a walking route, not as another support equipment bay. Storage expands until it meets a wall, so give it a wall on purpose.
At 1:1 the plan is close enough to square that neither width nor depth is doing the arguing; what decides the layout here is where the openings go, because no proportion is forcing a direction on the floor. Spent as a square 80 by 80 instead, the same 6,400 sq ft would stand 5 support equipment bays across rather than 5, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. At this size the building becomes a shared resource, and shared resources need a written rule for who parks where and which door is kept clear. The longest internal travel on a 80 by 80 plan is about 113 ft corner to corner, and the shortest useful one is the 80 ft cross-run. For a an aircraft floor with an allocated ground-support equipment zone that matters where ground support equipment zone sits, because shortening the 80 ft run to serve it lengthens every trip along the 80 ft dimension. Any requirement relating to aircraft clearances, fuel handling, fire protection or aviation operations is determined by the authorities having jurisdiction for the specific facility. That movement pattern, not the 6,400-square-foot total, is what decides whether the leftover 4 feet is useful here.
Openings
Openings for 6 support equipment bays across
The 80-foot gable can carry 6 openings, one per support equipment bay, with 8 feet of wall left for piers between and beside them — the arrangement that keeps each position independently reachable. Two feet of spare width reads as nothing on a plan and as a great deal when a machine is being turned.
A secondary opening sized for equipment rather than for the aircraft is worth more than a wider main door in this plan. It lets gear leave without opening the main assembly.
Framed-opening sizes, headers and the structure around them are engineered for the specific building. Confirm every opening with the door supplier and the building manufacturer before ordering.
Usable area
How the 6,400 square feet divides at 80x80
Computed support equipment bay fit for a 80x80 helicopter hangar
| Measure | Computed at this footprint |
|---|---|
| Support equipment bays across the 80-foot width | 6 at a 12-foot module |
| Leftover width | 8 ft (640 sq ft as a full-length strip) |
| Rows along the 80-foot length | 4 at a 16-foot module after 12 ft of circulation |
| Leftover depth | 4 ft (320 sq ft across the width) |
| Total support equipment bays | 24 |
| Share of floor committed | 72% |
Module footprint used here is 12 by 16 feet, this platform's planning module for a helicopter hangar. It is not a code minimum or an engineered clearance.
Example allocation of the 80-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Aircraft parking area | 56 ft | 4,480 sq ft |
| Maintenance and equipment space | 16 ft | 1,280 sq ft |
| Office, parts and utility | 8 ft | 640 sq ft |
Shares applied to the stored 80-foot length; areas computed against the 80-foot width.
Module footprints and allocation shares come from this platform's use typology and are published as example planning models. They are not recommendations and do not describe a majority of projects.
Height
Interior height for a 80x80 helicopter hangar
Across a 80-foot span the 3:12 pitch adds 10 feet between eave and ridge. The centreline measures 24 feet; anything parked or stacked near a wall lives with the 14-foot eave. Circulation width is the first thing surrendered under pressure and the first thing missed afterwards.
Height on a 80 ft span is a separate decision from the 80 ft length, and it is the span that sets the frame's behavior. Raising the eave over 6,400 sq ft affects every bay along the 80 ft dimension, so the test is whether ground support equipment zone genuinely needs the extra clear height or only the floor area.
Clear height below purlins, bracing and lighting is lower than the eave height. The usable figure comes from the manufacturer's framing for the selected building.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a helicopter hangar
| Footprint | Floor area | Support equipment bays |
|---|---|---|
| 40x70 | 2,800 sq ft | 4 (2 x 2) |
| 30x100 | 3,000 sq ft | 4 (1 x 4) |
| 50x60 | 3,000 sq ft | 9 (3 x 3) |
| 40x80 | 3,200 sq ft | 6 (2 x 3) |
| 60x60 | 3,600 sq ft | 12 (4 x 3) |
Areas computed from each stored size record; support equipment bay counts computed with the same 12 by 16 foot planning module.
- 40x70 moves the count from 24 to 4 support equipment bays (2 across by 2 deep), which is the reason to choose between them.
- 30x100 moves the count from 24 to 4 support equipment bays (1 across by 4 deep), which is the reason to choose between them.
- 50x60 moves the count from 24 to 9 support equipment bays (3 across by 3 deep), which is the reason to choose between them.
Nearby footprints read for a helicopter hangar: exact change in area and in planning support equipment bays
| Footprint | Area Δ | % Δ | Support equipment bays at that footprint | What changes for this use |
|---|---|---|---|---|
| 60x100 | −400 sq ft | −6.2% | 12 (3 x 4) | −12 support equipment bays on the same planning module. |
| 60x120 | +800 sq ft | +12.5% | 8 (2 x 4) | −16 support equipment bays on the same planning module. |
| 80x100 | +1,600 sq ft | +25% | 9 (3 x 3) | −15 support equipment bays on the same planning module. |
| 60x80 | −1,600 sq ft | −25% | 9 (3 x 3) | −15 support equipment bays on the same planning module. |
Areas are arithmetic on two stored size records; support equipment bay counts use this platform's 12 by 16 foot planning module and are not a capacity statement.
Because this footprint is planned as an aircraft floor with an allocated ground-support equipment zone, the useful next reads are different from the ones a differently shaped helicopter hangar suggests: ground support equipment zone, hangar equipment lane, secondary hangar opening.
Visualization
Reading the 80x80 footprint as a helicopter hangar
FAQ
Questions about 80x80 helicopter hangar projects
A 4-inch slab across 6,400 square feet computes to 79 cubic yards before thickened edges, piers or waste. The final design comes from the foundation engineer.
Reserving 12 ft across the 80 ft dimension for movement leaves 68 ft of working width, which takes 5 support equipment bays at 12 ft. Along 80 ft it takes 5 runs at 16 ft. That is 25 positions out of 6,400 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on where does ground support equipment live when the aircraft is inside, and where does it live when the aircraft is not. These are planning figures computed from the footprint, not a quoted layout.
4,480 square feet of wall and 6,597 square feet of roof at a 3:12 pitch — the roof exceeding the floor by 3%.
Enough that it should be drawn before the aircraft position is finalised. The planning error is treating equipment as something that fits in leftover space, when it is a continuous claim on a defined lane.
The width leaves 8 feet spare after 6 support equipment bays. That margin absorbs wall storage and passing room. Width is the dimension that cannot be extended later.
Methodology
How this page was produced
Sources and methodology
Find Steel Buildings dimensional records
Find Steel Buildings · Primary platform dataset · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: Stored nominal width, length, eave height, roof pitch and slab thickness for this subject.
International Building Code and International Residential Code
International Code Council · Model code · Tier 1 — code authority, standards body, primary dataset or manufacturer engineering
Supports: The framework of adopted codes and local amendments that decides permitting, separation and opening requirements. Cited as the governing framework, never as a local requirement.
- Dimensional figures: Width, length, eave height, roof pitch and nominal slab thickness come from this platform's stored record for the subject. Floor area, perimeter, wall area, roof area, ridge height and slab volume are computed from those inputs rather than transcribed.
- Support equipment bay fit: Counts, leftover strips and per-module areas are computed from the stored 80x80 record against this platform's 12 by 16 foot planning module for the helicopter hangar category, with 12 feet allowed for circulation. The module is editorial planning typology, not a code minimum or an engineered clearance.
- Allocation model: Zone shares come from this platform's use typology for aircraft storage and maintenance and are applied arithmetically to the stored 80-foot length.
- Allocation and layout models: Layout splits are arithmetic on the stored footprint, published as example allocation models. They are not survey findings and do not describe what buyers most often choose.
- Clearance and opening guidance: Clearance and opening statements are planning guidance. Final dimensions depend on the selected door system, header detail and the manufacturer's engineering for the building.
Methodology notes
- Prices: No price figure appears on this page. Cost data is published on this platform only with a documented inclusion basis, a collection date and a named source.
Drawn to scale
Plans and dimensions
Every drawing below is generated from the exact dimensions for this building, so proportions and areas are accurate.
Compare 80x80 helicopter hangar configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.