# Incident 19920721037959I: Emb EMB120RT, Denver, CO, July 21, 1992

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: July 21, 1992, 17:45 local time
- Place: Denver, CO
- Airport: Stapleton International
- Phase of flight: Initial Approach-IFR
- Operating rules: Air taxi and commuter (Part 135)
- Operator: MASA
- Location: 39.7609° N, 104.9201° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=39.7609&lon=-104.9201&mi=10
- Aircraft: N221YV, a cancelled registration (https://openairdocs.org/deregistered/N221YV-2013-08-15) (OpenAirDocs)
- Registry model: Embraer EMB-120RT (registry code 3260202, https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Registry engine: Pratt & Whitney Canada PW118 (registry code 52116, https://openairdocs.org/engine/pratt-whitney-canada-pw118) (OpenAirDocs)
- Reported make and model: EMB EMB120RT
- Reported engine: PWA PW118A
- People aboard: 26
- Fatal injuries: 0
- Pilot flight hours: 6,950 total, 179 in this make and model, 190 in the last 90 days
- NTSB investigation: [NTSB DEN92IA074](https://openairdocs.org/ntsb/DEN92IA074) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920721037959I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

PROP OVERSPEED ON BOTH ENGINES ON APPROACH. LANDED SAFELY. FOUND OPEN CIRCUIT BREAKERS FOR FLIGHT IDLE STOP SYSTEM.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN92IA074](https://openairdocs.org/ntsb/DEN92IA074), Jul 21, 1992: Embraer EMB-120 RT (N221YV), Denver, CO, incident, no damage. Probable cause: OPEN AIR GROUND CIRCUIT BREAKERS THAT ALLOWED THE PROPELLERS TO OVERSPEED. A FACTOR WAS: CLEAR AIR TURBULENCE.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
