ASN Wikibase Occurrence # 293937
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| Date: | Thursday 7 April 2005 |
| Time: | 18:15 LT |
| Type: |  Bell OH-58C |
| Owner/operator: | Colorado Springs City Police |
| Registration: | N198PD |
| MSN: | 40261 |
| Year of manufacture: | 1968 |
| Total airframe hrs: | 9433 hours |
| Engine model: | Rolls-Royce Allison 250 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Colorado Springs, CO -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Colorado Springs Municipal Airport, CO (COS/KCOS) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
According to the pilot, he was orbiting over a campus when the "engine out light illuminated in the cockpit," followed by an "audible engine out alarm" and the "N1 gauge dropped." The pilot elected to perform a precautionary landing to a field. The pilot stated that the terrain sloped uphill and the helicopter stopped "abruptly" and rock back and forth. A postaccident examination revealed that the N1 Tachometer Generator had failed. Further examination revealed that the N1 tachometer generator wire was not connected to the cannon plug and frayed. Examination of the helicopter's remaining systems revealed no anomalies.
Probable Cause: the failure of the N1 tachometer generator which resulted in a precautionary landing. Contributing factors include the frayed wire and the unsuitable terrain for a precautionary landing.
Accident investigation:
 |
|
Sources:
NTSB DEN05TA072
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Oct-2022 15:19 | ASN Update Bot | Added |
| 31-May-2023 05:29 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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