# NTSB NYC83FHD03: Thorpe T-18, N49101, Philadelphia, PA, June 30, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: June 29, 1983, 17:15 local (Jun 30, 1983, 01:15 UTC)
- Place: Philadelphia, PA
- Coordinates: 40.070026, -75.000389 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0700&lon=-75.0004&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35101
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC83FHD03
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35101/pdf
- Page: https://openairdocs.org/ntsb/NYC83FHD03

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - flare - improper, pilot in command (cause)
  - recovery from bounced landing - improper, pilot in command (cause)
- Loss of control - in flight, landing
  - go-around - delayed, pilot in command (cause)
  - airspeed - not maintained, pilot in command (cause)
  - stall - inadvertent, pilot in command (cause)
- In flight collision with terrain/water, landing

## Analysis

ACCORDING TO THE PLT, THE ACFT BALLOONED AFTER TOUCHDOWN, HE RECOVERED, THEN AFTER THE NEXT TOUCHDONW, IT BALLOONED AGAIN. HE INITIATED A GO-AROUND, BUT WITH THE APPLICATION OF POWER, THE ACFT BANKED APRX 90 DEG TO THE LEFT. THE PLT REPORTED THAT AILERON CONTROL HAD BECOME INEFFECTIVE. HE REDUCED POWER, AND SUBSEQUENTLY, THE ACFT CRASHED, LEFT WING FIRST, WHILE IN A 20 TO 30 DEG LEFT BANK. THE PLT REPORTED THE SKY WAS CLEAR, VISIBILITY WAS UNLIMITED & THE WIND WAS FROM 090 DEG AT 8 KTS.

## Aircraft

- Registration: N49101 (not matched to a registry record)
- Reported make and model: THORPE T-18
- Category: Airplane, amateur-built
- Serial number: #891
- Airframe hours: 250
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Jerome S. Rubin
- Airworthiness certificate: Special, Experimental (Special)
- Last inspection: Unknown, May 12, 1983, 10 hours before
- Departed: PNE, PHILADELPHIA, PA
- Airport: PNE, Northeast Phila, runway 6, 7,000 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; commercial; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: left; flight hours: 3,300 total, 10 in this make and model, 2,125 as pilot in command, 11 in the last 90 days, 5 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 8 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Observed at: PNE

## 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 19830629060269A](https://openairdocs.org/incident/19830629060269A), Jun 29, 1983: Amtrth THORPT18, Philadelphia, PA, Substantial damage. Pilot lost control of aircraft during attempted go around to salvage poor landing.

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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