An audit released Thursday found that Los Angeles County Sheriff’s Department managers improperly used department aircraft, including a helicopter dispatched to give a commander’s daughter a ride to a retirement party.

In another instance, sheriff’s officials used a department airplane to fly to Connecticut, costing the county more than $35,000 for a trip that would have been significantly cheaper and likely faster on a commercial flight.

The county audit was prompted earlier this year by a Los Angeles Times report about allegations that officials were abusing aircraft privileges, purposely delaying emergency calls to make the case for more overtime pay, and possibly manipulating time sheets. The Times reporting was based on internal sheriff’s memos and a deputy’s lawsuit that implicated officials.

While the audit found that aircraft were improperly used, it did not find evidence to support the most troubling claims: that calls for emergency service were ignored or that time sheets were manipulated. The auditor-controller’s office found those allegations were not supported by sheriff’s records.

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