What aviation programmes need when specifying screen protectors for EFB tablets and cockpit displays — FAA/EASA considerations, anti-glare specs and material constraints.
Electronic Flight Bag (EFB) tablets occupy a strange niche in the screen protection market. They're commercial-off-the-shelf hardware (usually iPads or Surface devices) deployed in a safety-critical environment with regulatory oversight. They face sunlight conditions far harsher than any office, vibration that consumer protectors aren't designed for, and a cleanliness regime imposed by both maintenance protocols and personal preference of the flight crew.
Getting screen protection right for EFB programmes isn't expensive or complicated, but it does require thinking about constraints that don't apply elsewhere. This article walks through the considerations aviation programme leads, airline IT and EFB administrators should weigh.
EFB tablets themselves are subject to authority oversight. In the US, FAA Advisory Circulars 120-76D (Authorisation for Use of Electronic Flight Bags) govern Class 1 and Class 2 EFB deployments. In Europe, EASA's equivalent guidance is set out in AMC 20-25A. Both share a common framing: the tablet is the responsibility of the operator, deployed under an approved EFB programme, with documented configuration control.
Where screen protectors come in: they are an accessory to the tablet, and unless they materially change the tablet's optical or environmental performance, they don't typically require separate authority approval. They do, however, fall under the operator's configuration management — meaning a change of screen protector specification across the fleet is something the EFB administrator needs to document, and major changes (different optical properties, for instance) may warrant a configuration review.
The practical implication: pick a specification that works, then stick with it. Frequent changes of supplier or specification create paperwork that isn't worth the marginal cost savings.
Cockpit displays face direct sunlight at altitudes where atmospheric attenuation is minimal. Light levels at the screen surface can exceed 100,000 lux in cruise. The pilot needs to read the display in those conditions, often while wearing polarised sunglasses.
This creates two specific screen protector problems:
A glossy protector turns the screen into a mirror under direct sun. Anti-glare matte protectors are the default for cockpit deployments. The trade-off is some loss of optical sharpness — text edges look very slightly softer through a matte finish — but the gain in readability under sun far outweighs it.
Anti-glare matte finishes are available in different grades. A 25% haze coating reduces glare meaningfully while preserving most clarity. A 60% haze coating eliminates glare almost entirely but produces noticeably softer text. For EFB use, the 25–40% range is usually the right compromise.
The tablet's underlying display has a polariser. Pilots wearing polarised sunglasses (which is most of them, in commercial operations) can experience the screen going dark or showing rainbow patterns at certain head angles. A poorly-chosen screen protector can make this worse. Some specialist EFB protectors include optical compensators that minimise the interaction with polarised sunglasses — worth specifying if your operations involve high-altitude long-haul work.
Cockpit-mounted tablets see continuous low-amplitude vibration from engines and airframe, occasional moderate-amplitude vibration from turbulence, and rare high-amplitude events (hard landings, severe turbulence). Hand-carried EFBs see the typical drop risks of any portable device but with the added factor of being dropped onto metal flight-deck surfaces.
The material choice for EFB protection often leans toward film or hybrid (glass with TPU sublayer) over plain tempered glass. The reason isn't fragility — tempered glass is rugged — but the failure mode. A cracked glass protector in flight is an annoyance and a small distraction. Loose glass fragments in a cockpit environment are unacceptable. Film protectors fail more gracefully; hybrid protectors retain the surface hardness of glass with the safer failure profile of film.
Post-pandemic, aviation cleaning protocols on shared cockpit equipment have intensified. Many operators wipe EFB tablets between crew changes with isopropyl alcohol or quaternary ammonium solutions. The screen protector's adhesive and top coating both need to survive this.
Two specific failure modes to avoid:
For EFB specifications, ask for IPA resistance test data on both the adhesive and the top coating. Suppliers with aviation track records can produce this; suppliers selling general-purpose consumer protectors usually cannot.
| Application | Recommended specification |
|---|---|
| Cockpit-mounted EFB | Anti-glare matte (25–40% haze), film or hybrid glass-TPU, IPA-resistant adhesive, optical compensator if polariser concerns exist |
| Hand-carried EFB | Tempered glass for scratch resistance, anti-glare optional depending on use environment, edge bonding for ingress protection |
| Maintenance ramp tablet | Tempered glass with TPU sublayer for impact, anti-glare for outdoor use, abrasion-resistant top coat for handling with gloves |
| Cabin crew tablet | Tempered glass, standard optical clarity, antimicrobial surface treatment for shared-device hygiene |
| Passenger IFE replacement screen | Anti-glare matte film, vandal-resistant adhesive (acrylic rather than silicone), low cost-per-unit for fleet rollout |
EFB programmes typically run at fleet scale — hundreds or thousands of tablets across a carrier — which gives the procurement team negotiating leverage but also creates lead-time pressure. Replacement protectors need to be available reliably and quickly when units are damaged. A few practical considerations:
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