# NTSB NYC88LA008: Beech F-33A, N17985, Concord, NH, October 11, 1987

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Limited investigation · Final report
- Date: October 11, 1987, 10:51 local (14:51 UTC)
- Place: Concord, NH
- Location: 43.2081° N, 71.5376° W: Placed by OpenAirDocs: center of Concord, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.2081&lon=-71.5376&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report May 26, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 36032
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC88LA008
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/36032/pdf
- Page: https://openairdocs.org/ntsb/NYC88LA008

## Sequence of events

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

- Loss of control - in flight, climb - to cruise
  - weather condition - fog (contributing factor)
  - weather condition - low ceiling (contributing factor)
  - weather condition - rain
  - climb - not maintained, pilot in command (cause)
  - visual/aural detection, pilot in command (contributing factor)
  - spatial disorientation, pilot in command (contributing factor)
- In flight collision with terrain/water, descent - uncontrolled

## Analysis

THE PLT OBTAINED A TELEPHONE WX BRIEFING THEN FILED AN IFR FLT PLAN FOR A 1030 EDT DEPARTURE FM CONCORD MUNICIPAL AIRPORT. THE PLT RPTD OFF CONCORD AT 800 FT AND CLIMBING AT 1047. MANCHESTER DEPARTURE CONTROL ACKNOWLEDGED, ASSIGNED A TRANSPONDER CODE, AND OBSERVED AN INDICATED ALTITUDE OF 1900 FT AT 1050 EDT. THE PLT DID NOT RESPOND TO MANCHESTER. THE ACFT CRASHED IN A SCHOOL YARD IN A STEEP DESCENT. WITNESSES GAVE CONFLICTING STATEMENTS REGARDING ENG NOISE. ONE WITNESS SAID IT SOUNDED LIKE THE ENGINE WENT TO FULL THROTTLE BEFORE IMPACT. PROP SLASH MARKS WERE OBSERVED AT THE IMPACT PT. THE ENG TEARDOWN REVEALED NO EVIDENCE OF MALFUNCTION.

## Aircraft

- Registration: [N17985](https://openairdocs.org/deregistered/N17985-1989-11-22), registration cancelled 1989-11-22, S/N CE717 (OpenAirDocs)
- Reported make and model: BEECH F-33A
- Registry model: [Beech F33A](https://openairdocs.org/model/beech-f33a) (registry code 1151425) (OpenAirDocs)
- Category: Airplane
- Serial number: CE-717
- Engines: CONTINENTAL IO-520 285 horsepower reciprocating
- Damage: Destroyed
- Flight: Personal, Part 91
- Operator: Robert F. Mc Sweeney
- Registered owner: Robert F. Mcsweeney
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, October 5, 1987
- Departed: CON, CONCORD, NH
- Destination: BED, BEDFORD, MA
- Flight plan: IFR
- Airport: Concord Municipal

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 47; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: left; toxicology performed; flight hours: 665 total, 521 as pilot in command

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 30° at 6 knots
- Visibility: 2 statute miles
- Lowest ceiling: 900 ft broken
- Temperature: 39 °F, dew point 37 °F
- Altimeter: 30.00 inHg
- Observed at: CON

## 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 19871011059139A](https://openairdocs.org/incident/19871011059139A), Oct 11, 1987: Beech F33A, Concord, NH, Destroyed, 1 fatal. Crashed shortly after takeoff in a school yard. No mechanical defects found.

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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