# NTSB NYC83IA080: Britten-Norman BN-2 Mark III, N420WA, Blue Bell, PA, March 21, 1983

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Incident investigation · Final report
- Date: March 21, 1983, 11:15 local (16:15 UTC)
- Place: Blue Bell, PA
- Coordinates: 40.139827, -75.259696 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.1398&lon=-75.2597&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 11 uninjured
- Status: Completed
- Report: Approved by Office Director
- Safety recommendations: Yes
- NTSB case key (mKey): 35137
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC83IA080
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35137/pdf
- Page: https://openairdocs.org/ntsb/NYC83IA080

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - anti-ice/deice system,propeller - separation (cause)
  - window,door - failure,partial

## Analysis

A DEICER BOOT ON A RIGHT PROPELLER BLADE SEPARATED. IT STRUCK & BROKE A WINDOW. A TIE STRAP WAS MISSING. THERE WAS NO EVIDENCE OF IMPROPER OR INADEQUATE BONDING.

## Aircraft

- Registration: N420WA (not matched to a registry record)
- Reported make and model: Britten-Norman BN-2 MARK III (BN-2 MARK)
- Category: Airplane
- Serial number: 1040
- Airframe hours: 2484
- Engines: LYCOMING 0540-G4G5 260 horsepower reciprocating
- Damage: Minor damage
- Flight: Part 135
- Operator: Wings Airways
- Registered owner: Fly Bell Company
- Airworthiness certificate: Standard, Normal
- Last inspection: AAIP, March 13, 1983, 19 hours before
- Departed: PHL, PHILADELPHIA, PA
- Destination: N67, BLUE BELL, PA
- Flight plan: IFR
- Airport: N67, Wings Field, runway 6, 2,618 × 50 ft, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; airline transport; airplane ratings: multi-engine land, single-engine sea, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 3,800 total, 200 in this make and model, 3,600 as pilot in command, 200 in the last 90 days, 75 in the last 30 days, 3 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 70° at 10 knots
- Visibility: 2 statute miles
- Lowest ceiling: 8,000 ft overcast
- Temperature: 48 °F, dew point -0 °F
- Altimeter: 29.00 inHg
- Observed at: BBX, 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).

- [Incident 19830321073589I](https://openairdocs.org/incident/19830321073589I), Mar 21, 1983: Bnorm BN2AMK3, Blue Bell, PA, Minor damage. Right propeller deice boot separated in flight and penetrated a cabin window injuring 2 passengers.

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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