The Effect of Shared Information on Pilot/Controller Situation Awareness and Re-Route Negotiation
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Summary
This paper investigates the impact of shared information on pilot-controller interaction, specifically focusing on situation awareness (SA) and re-route negotiations. The research is motivated by the development of air-ground data link systems, which allow pilots and air traffic controllers (ATC) to share data such as weather and traffic information. Currently, an information imbalance exists: pilots typically possess superior weather data, while controllers hold superior traffic data. This imbalance implicitly assigns decision-making authority, with pilots deferring to controllers on traffic conflicts and controllers deferring to pilots on weather deviations. The authors hypothesize that sharing this information via data link could either enhance collaborative decision-making or undermine system stability by neutralizing information advantages, potentially leading to increased contention, workload, and voice communication congestion. To evaluate these effects, the authors conducted an exploratory, part-task simulator experiment. The study employed a human-centered systems approach, beginning with a comparative analysis of goal hierarchies and SA information requirements for commercial airline pilots and en route ATC specialists. This analysis identified areas of common and competing interests. Based on these findings, the researchers designed test scenarios that intentionally conflicted the goals of pilots and controllers during tactical re-routing situations. The experiment paired professional pilots with ATC specialists in a real-time simulated environment. The primary independent variable was the presence or absence of data link capabilities, which allowed for the sharing of weather and traffic information. The study utilized metrics including testable response data for SA, separation violations, communication patterns, workload assessments, and subjective responses to determine whether shared information fostered cooperation or competition. The results indicated that shared information improved situation awareness for both pilots and controllers and increased their willingness to work cooperatively. Contrary to the concern that shared information might lead to increased contention, the study found that participants were more likely to collaborate when they had access to a common informational context. Additionally, the experiment demonstrated significant value in providing controllers with high-quality weather representations on their plan view displays. This specific enhancement, independent of full data link implementation, led to observed improvements in both situation awareness and separation assurance. The findings suggest that better weather visualization for controllers allows them to recognize developing constraints earlier and reorganize traffic flow more effectively. The significance of this study lies in its support for the deployment of technologies that enhance shared situation awareness. The authors conclude that sharing information generally fosters more cooperative interactions rather than competitive ones, moving airspace operations closer to the goal of Collaborative Decision Making (CDM). Furthermore, the paper argues for the accelerated deployment of improved weather displays for controllers, characterizing this as a relatively simple, low-risk addition that yields measurable safety and operational benefits. The study provides empirical evidence that addressing information imbalances through shared data can improve system performance without necessarily increasing workload or conflict, thereby validating the human-centered design of future National Airspace System architectures.
Key finding
Shared information via data link systems improved pilot and controller situation awareness and increased their willingness to cooperate during route negotiations.
Methodology
simulator
Sample size: 12
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via author_sweep_intake on 2026-05-28.
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | author_sweep | — | — | 2 | 2026-05-28 |
| archive | success | canonical_url | — | — | 4 | 2026-06-06 |
| extract | success | cached | — | — | 3 | 2026-06-10 |
| clean | success | clean | — | — | 1 | 2026-06-04 |
| chunk | success | chunk | — | — | 1 | 2026-06-04 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-04 |
| enrich | success | — | — | — | 1 | 2026-05-28 |
| promote | success | — | — | — | 1 | 2026-06-04 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 15 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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