# NTSB NYC84LA079: Swearingen SA-226T, N99JW, Philadelphia, PA, January 29, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 29, 1984, 18:20 local (23:20 UTC)
- Place: Philadelphia, PA
- Location: 39.8721° N, 75.2407° W: Placed by OpenAirDocs at PHILADELPHIA INTL (PHL), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8721&lon=-75.2407&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 9 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35495
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA079
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35495/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA079

## Sequence of events

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

- Complete gear collapsed, landing - flare/touchdown
  - landing gear,gear indicating system - undetermined (contributing factor)
  - wheels up landing - inadvertent, pilot in command (cause)
  - checklist - not followed, pilot in command (cause)

## Analysis

THE PLT BROKE OUT OF THE OVERCAST AT 1000 FT LOWERED FLAPS AND LANDED THE ACFT WITH THE GEAR RETRACTED. THE PLT SAID HE HAD LOWERED THE GEAR. THE GEAR WARNING HORN REPORTEDLY DID NOT SOUND.

## Aircraft

- Registration: [N99JW](https://openairdocs.org/aircraft/N99JW), registered now, S/N TT450 (OpenAirDocs)
- Reported make and model: SWEARINGEN SA-226T
- Registry model: [Swearingen SA227-TT](https://openairdocs.org/model/swearingen-sa227-tt) (registry code 8780620) (OpenAirDocs)
- Category: Airplane
- Serial number: SA-226
- Engines: AIRESEARCH TPE-331 904 horsepower turbo prop
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: J.F.& M.P. Welch
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, December 1, 1983, 1 hours before
- Departed: BTV, BURLINGTON, VT
- Destination: PHL, PHILADELPHIA, PA
- Flight plan: IFR
- Airport: PHL, Philadelphia, runway 17, 5,460 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; airline transport; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: valid medical--no waivers/lim.; flight hours: 6,510 total, 576 in this make and model, 6,510 as pilot in command, 100 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Dusk
- Wind: 270° at 5 knots
- Visibility: 2 statute miles
- Lowest ceiling: 1,000 ft overcast
- Temperature: 30 °F
- Altimeter: 29.00 inHg

## 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 19840129042129A](https://openairdocs.org/incident/19840129042129A), Jan 29, 1984: Swrngn SA226T, Philadelphia, PA, Substantial damage. Gear up landing was made causing substantial damage to aircraft.

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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