# NTSB FTW90IA169: Embraer EMB-120, N33701, College Station, TX, August 25, 1990

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Incident investigation · Final report
- Date: August 25, 1990, 07:10 local (12:10 UTC)
- Place: College Station, TX
- Location: 30.5880° N, 96.3625° W: Placed by OpenAirDocs at EASTERWOOD FLD (CLL), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.5880&lon=-96.3625&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 8 uninjured
- Status: Completed, report December 19, 1994
- Report: Approved by Office Director
- NTSB case key (mKey): 23055
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW90IA169
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/23055/pdf
- Page: https://openairdocs.org/ntsb/FTW90IA169

## Probable cause

PROPELLER AND ENGINE (POWERPLANT) OVERSPEED.

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Airframe/component/system failure/malfunction, takeoff - initial climb
  - propeller system/accessories - overspeed (cause)
  - powerplant - overspeed (cause)
  - propeller feathering - performed, pilot in command
  - precautionary landing - performed, pilot in command

## Analysis

ON AUGUST 25, 1990, AT APPROXIMATELY 0710 CENTRAL DAYLIGHT TIME, AN EMBRAER EMB-120, N33701, EXPERIENCED AN ENGINE AND PROPELLER OVERSPEED DURING INITIAL CLIMB AFTER TAKEOFF FROM COLLEGE STATION, TEXAS.  AFTER THE EFFECTED ENGINE WAS SECURED AND THE PROPELLER WAS FEATHERED, THE PILOT PERFORMED AN UNEVENTFUL PRECAUTIONARY LANDING.  THE AIRPLANE WAS OPERATING AS CONTINENTAL EXPRESS FLIGHT 2427 ON A SCHEDULED COMMUTER PASSENGER ROUTE FROM EASTERWOOD AIRPORT TO HOUSTON'S INTERCONTINENTAL AIRPORT.  AN IFR FLIGHT PLAN WAS FILED, AND VMC PREVAILED FOR THE 14 CFR PART 135 OPERATION.

## Aircraft

- Registration: [N33701](https://openairdocs.org/deregistered/N33701-1992-11-06), registration cancelled 1992-11-06, S/N 120077 (OpenAirDocs)
- Reported make and model: EMBRAER EMB-120
- Registry model: [Embraer EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (registry code 3260202) (OpenAirDocs)
- Category: Airplane
- Serial number: 120.077
- Engines: P&W PW112 1800 horsepower turbo prop
- Damage: No damage
- Flight: Part 135
- Registered owner: Britt Airways
- Airworthiness certificate: Standard, Transport
- Departed: CLL
- Destination: IAH, HOUSTON, TX
- Flight plan: IFR
- Airport: CLL, Easterwood Field

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; commercial, airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 7 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F

## Other investigations on N33701 (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 DCA91MA052](https://openairdocs.org/ntsb/DCA91MA052), Sep 11, 1991: Embraer 120 (N33701), Eagle Lake, TX, destroyed, 14 fatal. Probable cause: THE FAILURE OF CONTINENTAL EXPRESS MAINTENANCE AND INSPECTION PERSONNEL TO ADHERE TO PROPER MAINTENANCE AND QUALITY ASSURANCE PROCEDURES FOR THE AIRPLANE'S HORIZONTAL STABILIZER DEICE BOOTS THAT LED…

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.

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