Regional firefighter communications networks in Los Angeles County: A perspective-based analysis

Emergency responder communications failures have long posed challenges to interagency coordination, prompting nationwide efforts to improve interoperability following the 11 September 2001 terrorist attacks. However, the extent to which regional initiatives have addressed persistent communications barriers remains an important question. This study evaluates the efficacy of regional firefighter communications systems in Los Angeles County, California, focusing on the Los Angeles Regional Interoperable Communications System (LARICS) and the Interagency Communications Interoperability System (ICI). Its purpose is to examine how these initiatives support interdepartmental coordination and identify what limitations, experienced during 9/11, continue into the present day.The study employed a two-phase qualitative approach grounded in first responder perspectives. Phase I consisted of open-ended interviews with four personnel across three Los Angeles County fire departments, including two field personnel and two communications personnel. Phase II used a five-point Likert scale to assess participants’ perceptions of communications technology, its development over their careers, and the relative influence of technological and procedural factors on communications challenges.Findings indicate that regional interoperability initiatives have supported interdepartmental coordination and provided redundant communications channels. Interviewees generally reported improvements in communications technology over their careers and satisfaction with existing systems, while also identifying continuing needs for improvement. Persistent barriers include radio signal attenuation inside buildings, incompatible technologies and frequencies, and differences in agency terminology and procedures. Participants did not consistently attribute communications problems primarily to technological limitations, underscoring the importance of organizational practices alongside equipment. Although the small, nonrandom interview sample limits generalizability, the findings suggest that regional initiatives have improved communications capabilities without fully resolving the operational challenges facingfirefighters.

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Publication Details

Published
2026-10-30
DOI
https://doi.org/10.31235/osf.io/5fcx6_v1
Primary Topic
Disaster Management and Resilience
Type
preprint
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preprint

Regional firefighter communications networks in Los Angeles County: A perspective-based analysis

Shrisha Prakir
Disaster Management and Resilience
preprint

Regional firefighter communications networks in Los Angeles County: A perspective-based analysis

Shrisha Prakir
preprint en

Abstract

Emergency responder communications failures have long posed challenges to interagency coordination, prompting nationwide efforts to improve interoperability following the 11 September 2001 terrorist attacks. However, the extent to which regional initiatives have addressed persistent communications barriers remains an important question. This study evaluates the efficacy of regional firefighter communications systems in Los Angeles County, California, focusing on the Los Angeles Regional Interoperable Communications System (LARICS) and the Interagency Communications Interoperability System (ICI). Its purpose is to examine how these initiatives support interdepartmental coordination and identify what limitations, experienced during 9/11, continue into the present day.The study employed a two-phase qualitative approach grounded in first responder perspectives. Phase I consisted of open-ended interviews with four personnel across three Los Angeles County fire departments, including two field personnel and two communications personnel. Phase II used a five-point Likert scale to assess participants’ perceptions of communications technology, its development over their careers, and the relative influence of technological and procedural factors on communications challenges.Findings indicate that regional interoperability initiatives have supported interdepartmental coordination and provided redundant communications channels. Interviewees generally reported improvements in communications technology over their careers and satisfaction with existing systems, while also identifying continuing needs for improvement. Persistent barriers include radio signal attenuation inside buildings, incompatible technologies and frequencies, and differences in agency terminology and procedures. Participants did not consistently attribute communications problems primarily to technological limitations, underscoring the importance of organizational practices alongside equipment. Although the small, nonrandom interview sample limits generalizability, the findings suggest that regional initiatives have improved communications capabilities without fully resolving the operational challenges facingfirefighters.

Disaster Management and Resilience
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