# NTSB BFO93LA048: de Havilland DHC-7-102, N175RA, Philadelphia, PA, March 5, 1993

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Limited investigation · Final report
- Date: March 5, 1993, 16:40 local (21:40 UTC)
- Place: Philadelphia, PA
- Coordinates: 39.88964, -75.229316 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.8896&lon=-75.2293&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 11 uninjured
- Status: Completed, report February 28, 1994
- Report: Approved by Office Director
- NTSB case key (mKey): 11916
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=BFO93LA048
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/11916/pdf
- Page: https://openairdocs.org/ntsb/BFO93LA048

## Probable cause

AN ENCOUNTER WITH TURBULENCE DURING FINAL APPROACH. A FACTOR RELATED TO THE ACCIDENT WAS THAT THE FLIGHT ATTENDANT WAS NOT SEATED WITH A SEAT BELT FASTENED.

## Sequence of events

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

- In flight encounter with weather, approach - iaf to faf/outer marker (ifr)
  - weather condition - turbulence in clouds (cause)
  - seat belt - not used, flight attendant (contributing factor)

## Analysis

THE COMMUTER FLIGHT WAS ON FINAL APPROACH WHEN IT ENCOUNTERED TURBULENCE THAT THE CAPTAIN REPORTED AS 'MODERATE.' DURING THE ENCOUNTER, A FLIGHT ATTENDANT FELL AS SHE WAS MAKING HER FINAL ROUND IN THE CABIN BEFORE THE LANDING.

## Aircraft

- Registration: N175RA (not matched to a registry record)
- Reported make and model: de Havilland DHC-7-102
- Category: Airplane
- Engines: P&W PT6A-50 1120 horsepower turbo prop
- Damage: No damage
- Flight: Part 121
- Operator: Trans World Express, doing business as Trans World Express
- Registered owner: Trans World Express
- Airworthiness certificate: Standard, Transport
- Last inspection: Unknown, January 2, 2000
- Departed: JFK, NEW YORK, NY
- Destination: PHL
- Flight plan: IFR
- Airport: PHL, Philadelphia Intl, runway 17, 5,460 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 5,635 total, 1,572 in this make and model, 4,453 as pilot in command, 184 in the last 90 days, 26 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 70° at 17 knots
- Visibility: 7 statute miles
- Lowest ceiling: 1,000 ft broken
- Temperature: 39 °F, dew point 37 °F
- Altimeter: 29.00 inHg
- Observed at: PHL, 5 nm away

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19930305035299A](https://openairdocs.org/incident/19930305035299A), Mar 5, 1993: Dhav DHC7102, Philadelphia, PA. Cabin attendant injured during approach after aircraft encountered severe turbulence.

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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