Building Types
50x50 Helicopter Hangar
- Width
- 50 ft
- Length
- 50 ft
- Floor area
- 2,500 sq ft
- Perimeter
- 200 ft

Use
How a 50×50 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
50 ft across the gable end.
Length
50 ft along the sidewall.
Floor area
2,500 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 | 50 ft × 50 ft |
| Floor area | 2,500 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 50 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
50′ × 30′
1,500 sq ft
50′ × 70′
3,500 sq ft
40′ × 50′
2,000 sq ft
Related
Related Building Types

Aircraft Hangar
Explore
Clear Span Building
Explore
Commercial Building
Explore
Industrial Building
Explore
Example configuration — for planning purposes only.
FAQ
Common Questions
50 ft × 50 ft is 2,500 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.
Overview
A 50x50 helicopter hangar planned as a compact shelter planned around one aircraft and little else
This page is ordered around the aircraft floor position, because a rotorcraft occupies the centre of the plan and everything else is a perimeter around it.
The footprint holds 1 aircraft floor position — 1 across by 1 deep — and the remaining 6 feet is marginal: the margin is minimal, so ground equipment is moved outside whenever the aircraft is repositioned.
Read this footprint through its span. 50 feet across is the fixed constraint; 50 feet of length is the negotiable one, and at 1 to 1 the building is close to square, so movement runs in both directions. Snow, wind and site exposure change what this shape costs to build long before the interior plan does.
A 50 by 50 footprint is a near-square plan: 2,500 sq ft enclosed by 200 ft of wall, at a 1:1 length-to-width proportion. Along its 50 ft dimension it takes 1 run of aircraft floor positions at 36 ft, leaving 14 ft over — the 14 ft is where the argument about this size actually happens. A shelter-scale hangar is planned from the centre outward. The aircraft claims the middle of the floor as a single indivisible position, and everything the plan can offer is what remains around it — which at this footprint is a margin rather than a working zone. Condensation in an unconditioned hangar is a planning matter for what is stored there, not only a comfort question.
At 50x50 the operating question is a specific one: does this footprint shelter the aircraft and still leave a margin to walk it in and out without touching anything? 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 a compact shelter planned around one aircraft and little else rather than as generic covered area.
Areas, perimeter, roof area, ridge height, slab volume and the aircraft floor position counts on this page are computed from the stored 50x50 record and this platform's planning module for the helicopter hangar category.
Usable area
How the 2,500 square feet divides at 50x50
Computed aircraft floor position fit for a 50x50 helicopter hangar
| Measure | Computed at this footprint |
|---|---|
| Aircraft floor positions across the 50-foot width | 1 at a 36-foot module |
| Leftover width | 14 ft (700 sq ft as a full-length strip) |
| Rows along the 50-foot length | 1 at a 36-foot module after 8 ft of circulation |
| Leftover depth | 6 ft (300 sq ft across the width) |
| Total aircraft floor positions | 1 |
| Share of floor committed | 52% |
Module footprint used here is 36 by 36 feet, this platform's planning module for a helicopter hangar. It is not a code minimum or an engineered clearance.
Example allocation of the 50-foot length — planning model, not survey data
| Zone | Length along the building | Computed area |
|---|---|---|
| Aircraft parking area | 35 ft | 1,750 sq ft |
| Maintenance and equipment space | 10 ft | 500 sq ft |
| Office, parts and utility | 5 ft | 250 sq ft |
Shares applied to the stored 50-foot length; areas computed against the 50-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 50x50 helicopter hangar
The stored configuration carries a 14-foot eave and computes to 20.3 feet at the ridge on a 3:12 pitch — a 6.3-foot rise across 50 feet. Height is therefore not uniform, and the sidewall is the constraint. Rows that cannot be entered independently end up used as one long space.
Clear height at this scale is planned around what has to pass beneath the frame during positioning, and it is set for the specific aircraft rather than by any general figure. What the plan can state is that height is a whole-building decision made before the frame is ordered.
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.
Openings
Openings for 1 aircraft floor position across
Openings are the pinch point here. With 14 feet of spare width the gable cannot host 1 separate doors, so access is either shared or moved to the 50-foot sidewall. Circulation width is the first thing surrendered under pressure and the first thing missed afterwards.
The 50 ft ends and the 50 ft sides offer very different opening budgets: 50 ft of end wall has room for one wide opening or two modest ones, while 50 ft of side wall can carry several without the openings competing. On this plan the deciding factor is whether rotorcraft shelter planning or aircraft floor position should be the first thing reached from the door.
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.
Allocation
Dividing the floor for a compact shelter planned around one aircraft and little else
The hangar pattern this footprint could equally be operated as is an aircraft floor with a working perimeter for maintenance access: there is no separate stands zone, so tooling occupies part of the working perimeter and is repositioned each time work moves around the aircraft. Dividing the 2,500 sq ft by the 36 by 36 ft aircraft floor position gives roughly 1 positions before circulation is deducted a second time for cross movement. Whether the plan keeps 1 or drops to 1 comes back to the question this footprint is really answering: does this footprint shelter the aircraft and still leave a margin to walk it in and out without touching anything?
Treating the last 6 feet as a room is the recurring planning error at 50x50: the margin is minimal, so ground equipment is moved outside whenever the aircraft is repositioned. Fire separation, egress and occupancy are determined for the specific building and can reshape this plan entirely.
The 14 feet of spare width runs the whole 50-foot length — 700 square feet of wall strip. It earns its keep as shelving, staging or a walking route, not as another aircraft floor position. The mezzanine that is added afterwards is the change order that reprices the frame.
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 50 by 50 instead, the same 2,500 sq ft would stand 1 aircraft floor positions across rather than 1, and would trade this plan's length for parallel access. That is the width-against-depth decision this footprint has already made. At this scale the building is usually operated by one or two people who know where everything is, so the plan can be loose and the doors matter more than the divisions. The pattern is park and retrieve. Movement in and out is the whole of the operating cycle, and the plan is judged on whether that movement is straight and unobstructed rather than on what else the building can hold. The building will outlast the aircraft it was planned for, which is an argument for planning the perimeter generously rather than exactly. That movement pattern, not the 2,500-square-foot total, is what decides whether the leftover 6 feet is useful here.
Configurations
Configuring 1 aircraft floor position at 50x50
Nominal bay division computes to 2 bays at about 25 feet, narrower than the 36-foot module — so frame lines land inside positions and the interior has to be set out from the columns. Storage expands until it meets a wall, so give it a wall on purpose.
A single row means nothing is trapped: every position faces the opening directly, which is this footprint's advantage over a deeper building of the same width. Judge the plan by what has to happen on the worst day of the year, not on an average one.
Extension is cheapest along the 50 ft dimension, where each added bay repeats work already framed; widening past 50 ft is a different frame rather than a longer one. Growing to 50 by 86 adds a 2th run of aircraft floor positions — useful if the constraint is aircraft floor positions rather than the 14 ft already spare at the far end.
Configured as a compact shelter planned around one aircraft and little else, 50x50 is judged on whether the 1 aircraft floor position it holds match the operation, and on whether the 14 feet of spare width leaves the route this mode depends on.
- Does the work need three lanes and a working lane, or two lanes with an interior work hall between them, or does it need a second lane that this 50-foot span cannot give?
- Is the 50-foot length being bought for depth, or for the repeated bays — four or five repeated bays, enough that one bay can be dedicated without distorting the 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.
Comparison
What changes at adjacent footprints
Computed comparison of nearby footprints for a helicopter hangar
| Footprint | Floor area | Aircraft floor positions |
|---|---|---|
| 20x50 | 1,000 sq ft | 0 (0 x 1) |
| 25x40 | 1,000 sq ft | 0 (0 x 0) |
| 30x35 | 1,050 sq ft | 0 (0 x 0) |
| 30x36 | 1,080 sq ft | 0 (0 x 0) |
| 30x40 | 1,200 sq ft | 0 (0 x 0) |
Areas computed from each stored size record; aircraft floor position counts computed with the same 36 by 36 foot planning module.
- 20x50 moves the count from 1 to 0 aircraft floor positions (0 across by 1 deep), which is the reason to choose between them.
- 25x40 moves the count from 1 to 0 aircraft floor positions (0 across by 0 deep), which is the reason to choose between them.
- 30x35 moves the count from 1 to 0 aircraft floor positions (0 across by 0 deep), which is the reason to choose between them.
Nearby footprints read for a helicopter hangar: exact change in area and in planning aircraft floor positions
| Footprint | Area Δ | % Δ | Aircraft floor positions at that footprint | What changes for this use |
|---|---|---|---|---|
| 30x80 | −100 sq ft | −4% | 3 (1 x 3) | +2 aircraft floor positions on the same planning module. |
| 40x70 | +300 sq ft | +12% | 4 (2 x 2) | +3 aircraft floor positions on the same planning module. |
| 50x60 | +500 sq ft | +20% | 9 (3 x 3) | +8 aircraft floor positions on the same planning module. |
| 40x50 | −500 sq ft | −20% | 1 (1 x 1) | Same aircraft floor position count on this planning module; the difference is circulation and stored depth, not capacity. |
Areas are arithmetic on two stored size records; aircraft floor position counts use this platform's 36 by 36 foot planning module and are not a capacity statement.
Because this footprint is planned as a compact shelter planned around one aircraft and little else, the useful next reads are different from the ones a differently shaped helicopter hangar suggests: rotorcraft shelter planning, aircraft floor position, hangar opening planning.
Visualization
Reading the 50x50 footprint as a helicopter hangar
FAQ
Questions about 50x50 helicopter hangar projects
It depends on rotor and tail clearance in every direction on the ground handling path, not just the aircraft's static height. The stored configuration computes to 20.3 feet at the ridge, but the eave is the number that governs anything standing near a wall.
Reserving 8 ft across the 50 ft dimension for movement leaves 42 ft of working width, which takes 1 aircraft floor positions at 36 ft. Along 50 ft it takes 1 runs at 36 ft. That is 1 positions out of 2,500 sq ft, and the remainder is circulation, walls and the margin every plan needs. Whether that count is enough depends on does this footprint shelter the aircraft and still leave a margin to walk it in and out without touching anything. These are planning figures computed from the footprint, not a quoted layout.
The footprint holds 1 aircraft floor position — 1 across by 1 deep — and the remaining 6 feet is marginal: the margin is minimal, so ground equipment is moved outside whenever the aircraft is repositioned. Those counts use a 36 by 36 foot planning module with 8 feet allowed for circulation, so a different module changes the answer.
The working perimeter. It shelters the aircraft and stores a small amount of ground equipment; work on the aircraft, tool storage and support space all happen elsewhere or on the apron.
A 4-inch slab across 2,500 square feet computes to 30.9 cubic yards before thickened edges, piers or waste. The final design comes from the foundation engineer.
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.
- Aircraft floor position fit: Counts, leftover strips and per-module areas are computed from the stored 50x50 record against this platform's 36 by 36 foot planning module for the helicopter hangar category, with 8 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 50-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.
Cost drivers
Quantities that move the estimate at 50x50
Quantities, not prices, are publishable here: roof cladding runs 2,577 square feet — 3% above the 2,500-square-foot floor at a 3:12 pitch — with 30.9 cubic yards of nominal slab beneath it. Two feet of spare width reads as nothing on a plan and as a great deal when a machine is being turned.
Proportion drives cost here as much as size does: 200 ft of wall around 2,500 sq ft is 0.08 ft of wall per enclosed square foot, and a squarer plan of the same area would carry less. What moves the figure further on a a compact shelter planned around one aircraft and little else is the fit-out rotorcraft shelter planning implies, along with framed openings and the height chosen for the 50 ft span.
- 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
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 50x50 helicopter hangar configurations
Review the allocation models for this footprint side by side, then estimate the configuration you intend to build.
