SayAgain is an online aviation communication training module designed for integration into Human Factors (HF), CRM, and recurrent training programmes. It addresses a well-recognised but under-trained risk area: how language is used in safety-critical, international operations - and how well-intended communication can unintentionally reduce reliability. SayAgain is not English language training. It is Human Factors training, applied to operational language use. It has been designed for both native and non-native English speakers.

Why SayAgain Exists English is the shared operational language of international aviation. Yet communication breakdowns continue to occur - even when all participants are fluent English speakers. Operational evidence and human-factors research show that many misunderstandings are not caused by inadequate language proficiency, but by how language is used in context, particularly under time pressure, workload, and assumption of shared understanding. In everyday operations, communication risk often arises not from what is said, but from: how fast it is delivered how predictable the structure is how much context is assumed how listener workload is judged Despite this, language use itself is rarely treated as a trainable human- performance behaviour. SayAgain has been developed to address this gap.

A Human Factors Approach to Communication SayAgain treats communication as a human-performance system, not as a linguistic test. The training focuses on: how listeners process language under operational pressure the role of predictability in safe communication the limits of “natural” or conversational English the interaction between Standard Phraseology and Plain English how linguistic choices affect situational awareness The objective is not to simplify language for its own sake. The objective is to make communication more reliable for others. Alignment with Existing HF / CRM Training SayAgain is designed to complement - not replace - existing training. It aligns directly with: Human Factors (HF) Crew Resource Management (CRM) Threat and Error Management (TEM) Safety Management Systems (SMS) Where traditional HF training discusses communication at a conceptual level, SayAgain focuses on observable operational behaviour: what is said, how it is said, and when adaptation is required. This makes SayAgain suitable for inclusion as a standalone module or embedded component within existing programmes.

What SayAgain Is (and is not) SayAgain is: A human-factors communication training course Focused on adaptation, predictability, and reliability Relevant to pilots and air traffic controllers Designed for organisational and recurrent use Suitable for integration within existing HF / CRM frameworks SayAgain is not: ICAO language test preparation Grammar or vocabulary instruction Accent reduction training Remedial language training

Intended Audience SayAgain is designed for mixed-language crews and international operating environments (both native and non-native English speakers) including: Pilots Air traffic controllers Instructors and examiners Experienced operational staff While individual participants benefit, the primary beneficiary is the organisation and the system as a whole, through improved communication reliability and reduced ambiguity.