Airworthiness Governance for Aerospace Tape Use
This page explains the regulatory framework governing tape use on certificated aircraft.
It describes the difference between material compliance and installation approval, the approval hierarchy used in aviation maintenance, and the regulatory standards affecting tape installations.
This page explains the regulatory context only and does not constitute approved maintenance data.
Regulatory Reference
Regulatory Reference
- 14 CFR Part 25 Subpart H — EWIS requirements
- FAR 25.853(a) — interior flammability
- 14 CFR Part 43 — maintenance documentation
- AC 43.13-1B — acceptable maintenance practices
- EASA CS-25 / Part-145 alignment
Regulatory Principles — At a Glance
| Principle | Meaning |
|---|---|
| Material compliance | Tape meets a material specification |
| Installation approval | Tape installation is authorised in approved data |
| Maintenance documentation | Installation must be recorded |
| Airworthiness determination | Compliance confirmed during maintenance inspection |

Material Compliance ≠ Installation Approval
Aircraft tape regulation operates at two separate levels. Material standards confirm that a product meets specification requirements.
Installation approval determines whether the material may be installed on an aircraft in a specific location.
- Material standards
- (AMS, MIL specifications, flammability testing)
- Installation approval
- (AMM, SRM, engineering orders, STC)
Approved vs Unapproved Use
Approved Installation
- Application covered by approved maintenance data
- Correct specification material used
- Work performed by authorised personnel
- Installation recorded in maintenance documentation
Unapproved Installation
- No approved data exists
- Material differs from required specification
- Duration limits exceeded
- Maintenance record missing
The Approval Hierarchy
| Approval Source | Role |
|---|---|
| AMM | Primary maintenance reference |
| SRM | Structural repair schemes |
| CMM | Component maintenance |
| EO | Engineering authorisation |
| STC | Approved design modification |
Check the AMM first. If not covered, move up the approval hierarchy.
Flammability Compliance (FAR 25.853)
FAR 25.853 governs flammability of materials installed within transport category aircraft compartments.
- Burn length limits
- After-flame time
- Heat release requirements (where applicable)
- Smoke density limits
Flammability compliance confirms a material property. It does not authorise installation.
EWIS Requirements
Electrical Wiring Interconnection Systems (EWIS) are governed by 14 CFR Part 25 Subpart H.
- Tape cannot replace mechanical wire supports
- Materials must be compatible with wire insulation
- Wrap technique must allow drainage
- Bundle spacing requirements must be maintained
AC 43.13-1B
AC 43.13 provides acceptable maintenance practices when manufacturer documentation does not exist.
- Does not override AMM or SRM
- Does not authorise deviations
- Used only when no manufacturer data exists
EASA Regulatory Alignment
| European Standard | Role |
|---|---|
| CS-25 | Aircraft certification requirements |
| Part-145 | Maintenance organisation rules |
| AMC 20-29 | EWIS compliance guidance |
Critical Safety Risk — Pitot / Static Tape
Multiple accidents have occurred due to tape left on pitot or static probes after maintenance.
- Airspeed indication failure
- Flight safety hazards
- Maintenance removal control requirements
Procurement Compliance
| Procurement Requirement | Purpose |
|---|---|
| Certificate of Conformance | Material traceability |
| Specification revision | Confirms correct standard |
| Lot number | Traceability |
| Shelf life | Adhesive validity |
Related Tape Families
| Tape Family | Purpose |
|---|---|
| Aluminium foil tape | Temporary exterior sealing |
| Electrical insulation tape | Wire protection |
| Protective / anti-chafe tape | Surface wear protection |
| High-temperature tape | Thermal shielding |
Aircraft tape use is governed by both material specifications and installation approval.
Approved data defines where a tape may be installed. Maintenance documentation determines whether the installation remains airworthy.
For specification comparisons and application guidance for aerospace tape families see SpeedTapes.com.
Does the FAA approve specific tape products for aircraft use?
Rarely. Tape is generally treated as a consumable material rather than an approved article. It does not typically carry a PMA (Parts Manufacturer Approval) or TSO (Technical Standard Order). What matters is that the tape meets, or is called out in, the approved maintenance documentation for the task — whether that is an aircraft maintenance manual, a service bulletin, or an engineering order. Using a tape that meets the referenced specification is the compliance route. A product-level FAA approval in the form of a PMA usually does not exist for tape, and chasing one is the wrong approach.
What regulation covers the use of maintenance materials under FAA rules?
14 CFR Part 43.13 is the key reference. It requires that maintenance be performed using methods, techniques, and practices that result in the aircraft being at least equal to its original or properly altered condition. For materials, that means using the correct specification material as defined in the approved data. If the task card or maintenance manual calls for a specific tape specification, that specification must be met — not approximated, and not substituted without engineering sign-off.
What is the EASA equivalent of FAA 14 CFR Part 43?
Under EASA, the equivalent framework sits in Part-145 (Maintenance Organisation Approvals) and the associated Acceptable Means of Compliance, specifically AMC 145.A.45. This covers the use of materials, parts, and appliances in maintenance. The principle is the same as the FAA approach — maintenance must use materials that conform to the approved design data. For MROs operating under EASA Part-145, consumable materials including tapes must be traceable and conform to the specification defined in the approved maintenance documentation.
Why can tape never be left on pitot or static ports?
Pitot tubes and static ports feed the aircraft’s air data system — airspeed, altitude, and vertical speed all depend on unobstructed airflow through these probes. Tape left on a pitot or static port after maintenance has contributed to fatal accidents. Standard practice requires high-visibility covers during maintenance with a specific removal check before every flight. EASA SIB 2020-14R1 and NTSB Safety Recommendation A-96-141 address this hazard directly. This is not a precaution. Its omission has caused loss of life.
Do aircraft tapes need to meet flammability standards?
It depends on where they are installed. Tapes used in or near the passenger cabin, cargo compartments, or other interior areas may need to comply with FAR 25.853 flammability requirements. The applicable standard depends on the installation zone and the aircraft’s type certificate. FAR 25.853(a) compliance on a datasheet confirms the material passed the applicable test — it does not automatically authorise installation in every interior zone. Manufacturer documentation and actual flammability test evidence should be reviewed before specifying any tape for interior use. Do not rely on a datasheet claim alone.
Do military aircraft follow the same regulations as civil aircraft?
No. Military aircraft operate under separate airworthiness frameworks. In the US, military airworthiness is governed by MIL-SPEC standards and service-specific technical orders rather than FAA regulations. In the UK, the Military Aviation Authority (MAA) issues its own regulatory articles. NATO equivalents and STANAG standards apply in some contexts. The material specifications used on military platforms often overlap with civil aerospace specifications — MIL-I-19166C, for example, is referenced across both — but the approval and documentation routes are different. Confirm the applicable regulatory framework with the programme before specifying to civil aerospace specifications on a military platform.