# NTSB NYC84LA260: Cessna 335, N6821C, University Park, PA, August 1, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 1, 1984, 07:30 local (11:30 UTC)
- Place: University Park, PA
- Coordinates: 40.799018, -77.859809 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.7990&lon=-77.8598&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 35725
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC84LA260
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/35725/pdf
- Page: https://openairdocs.org/ntsb/NYC84LA260

## Sequence of events

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

- Main gear collapsed, landing - flare/touchdown
  - landing gear,gear locking mechanism - failure,total (cause)
  - directional control - not possible, pilot in command (contributing factor)
  - object - runway light

## Analysis

THE ACFT EXPERIENCED A RT MAIN GEAR COLLAPSE DURING LANDING.THE PLT STATED THAT THE GEAR WAS CHECKED DOWN & LOCKED ON BASE & FINAL APCH. AFTER LANDING, ACCORDING TO THE PLTS STATEMENT, THE LANDING GEAR WARNING SOUNDED & THE ACFT STARTED ATURN TO THE RT. A TAXIWAY SIGN & LIGHT WERE HIT AS THE ACFT TURNED. THE PLT SAID HE TURNED THE ACFT FURTHER RT TO AVOID HITTING MORE LIGHTS. THE ACFT CAME TO REST 90 DEGREES TO THE RWY HEADING RESTING ON THE RT WING TIP. THE RT GEAR SIDE BRACE LOCK END FITTING FAILED ALLOWING THE GEAR TO RETRACT/COLLAPSE. THE FAILED PART NUMBER IS 0841111-3. THE TIME IN SERVICE ON THE PART WAS 1722 HRS.

## Aircraft

- Registration: [N6821C](https://openairdocs.org/deregistered/N6821C-1985-10-21), registration cancelled 1985-10-21, S/N 335-0060 (OpenAirDocs)
- Reported make and model: CESSNA 335
- Registry model: [Cessna 335](https://openairdocs.org/model/cessna-335) (registry code 2075601) (OpenAirDocs)
- Category: Airplane
- Serial number: 0060
- Airframe hours: 1722
- Engines: CONTINENTAL TSIO-520-EB 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Centre Airlines, Inc.
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 26, 1984
- Departed: RVL, REEDSVILLE, PA
- Destination: UNV, UNIVERSITY PARK, PA
- Airport: UNV, University Park, runway 24, 5,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; airline transport, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 2,762 total, 238 in this make and model, 2,008 as pilot in command, 179 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 6 statute miles
- Temperature: 68 °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 19840801040329A](https://openairdocs.org/incident/19840801040329A), Aug 1, 1984: Cessna 335, State College, PA, Substantial damage. Right main folded on landing roll exited runway. Hit sign and light. Gear side brace lock end fitting failed.

## Other investigations on N6821C (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 NYC85FGT01](https://openairdocs.org/ntsb/NYC85FGT01), Feb 12, 1985: Cessna 335 (N6821C), Barrville, PA, destroyed

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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