APCO PST1 case studies

APCO PST1 · Put your knowledge to work in context.

This study page prepares candidates for the APCO Public Safety Telecommunicator 1 (PST1) certification - a credential for the people who answer emergency calls, gather the information responders need, and coordinate the radio traffic that follows. It suits new telecommunicators working toward a first certification, trainees enrolled in an agency training program, and experienced dispatchers who want a structured refresher. The APCO PST1 case studies are 5 cases and about 3,511 words.

The Whispering Nine-Year-Old: Address, Airway, and a Sibling in the Room

At 02:14 a 911 call arrives from a cell phone. The caller is a nine-year-old who whispers that his mother 'took pills and won't wake up.' ANI/ALI returns a location at a 320-unit apartment complex, but only the complex's main office address - no building and no unit number.

691 words, about 3 min 2

Single-Staffed Mayday: Channel Control, a Patch Request, and a Domestic Still Running

You are the only telecommunicator on duty for a county of 41,000; your partner called in sick two hours ago. Fire has three companies at a working structure fire and is operating on Fire Tac 2.

684 words, about 3 min 3

Eighteen Minutes of Battery: A CAD Outage With a Generator That Already Failed

The CAD workstation freezes, then all four positions lose the server. The 911 trunk group still delivers calls to the backup positions, but the ANI/ALI display is blank on two of them.

708 words, about 4 min 4

The Chief's Nephew, a Reporter on Line Two, and a Five-Second Plate Check

A two-vehicle crash with injuries on a state route inside city limits. One driver is the nephew of the city's police chief.

691 words, about 3 min 5

Three Weeks After the Pool Call: Error Cluster, Dark Humor, and the Same Console

A telecommunicator with four years' experience took a call three weeks ago in which a six-year-old drowned in a backyard pool. She stayed on the line with the mother through 14 minutes of CPR instructions until EMS arrived; the child died at the hospital.

737 words, about 4 min