# NTSB NYC83LA206: Hughes 269C, N1093Y, Spring House, PA, August 10, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 10, 1983, 14:15 local (18:15 UTC)
- Place: Spring House, PA
- Coordinates: 40.179271, -75.229553 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.1793&lon=-75.2296&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35249
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC83LA206
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35249/pdf
- Page: https://openairdocs.org/ntsb/NYC83LA206

## Sequence of events

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

- Roll over, landing - flare/touchdown
  - autorotation - simulated, pilot in command(cfi) (contributing factor)
  - control interference - excessive, dual student (cause)
  - remedial action - inadequate, pilot in command(cfi) (cause)
  - throttle/power control - delayed, pilot in command(cfi) (cause)

## Analysis

THE HELICOPTER ROLLED OVER DURING A PRACTICE DEMONSTRATION AUTOROTATION LANDING. THE CFI WAS AT THE CONTROLS WITH THE STUDENT FOLLOWING THROUGH. ACCORDING TO THE INSTRUCTOR THE STUDENT OVERRODE THE CONTROLS JUST PRIOR TO TOUCHDOWN WITH TOO MUCH CYCLIC. THE TAIL ROTOR STRUCK HIGH GRASS AND THE HELICOPTER ROLLED RIGHT ONTO ITS SIDE.

## Aircraft

- Registration: [N1093Y](https://openairdocs.org/aircraft/N1093Y), registered now, S/N 411045, built 1981 (OpenAirDocs)
- Reported make and model: HUGHES 269C
- Registry model: [Hughes 269C](https://openairdocs.org/model/hughes-269c) (registry code 4470504) (OpenAirDocs)
- Registry engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Serial number: 1045
- Airframe hours: 725
- Engines: LYCOMING HIO-360-D1A 190 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Horsham Valley Airways, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: Unknown, May 1, 1983, 650 hours before
- Departed: N48, HORSHAM, PA

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 32; flight instructor, commercial; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: right; flight hours: 820 total, 400 in this make and model, 740 as pilot in command, 100 in the last 90 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 6 statute miles
- Lowest ceiling: none
- Temperature: 88 °F
- Altimeter: 30.00 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 19830810039719A](https://openairdocs.org/incident/19830810039719A), Aug 10, 1983: Hughes 269C, Spring House, PA, Substantial damage. Instructor demonstrating power on autorotation. Student overrode cyclic. Power applied too late. Rolled on impact.

## Other investigations on N1093Y (1)

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.

- [NTSB NYC89LA114](https://openairdocs.org/ntsb/NYC89LA114), Apr 11, 1989: Hughes 269C (N1093Y), Rosehayn, NJ, substantial damage. Probable cause: THE PILOTS FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT DURING LANDING. THIS RESULTED IN AN UNCONTROLLED TOUCHDOWN AND ROLLOVER OF THE HELICOPTER.

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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