# NTSB ATL82DA220: Cessna 210D, N2747V, St. Simons Isla, GA, July 16, 1982

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Final report
- Date: July 16, 1982, 16:00 local (20:00 UTC)
- Place: St. Simons Isla, GA
- Coordinates: 31.209753, -81.370201 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=31.2098&lon=-81.3702&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 16, 1983
- Report: Approved by Office Director
- NTSB case key (mKey): 72710
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL82DA220
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/72710/pdf
- Page: https://openairdocs.org/ntsb/ATL82DA220

## Sequence of events

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

- In flight collision with terrain/water, landing - flare/touchdown
  - hydraulic system,relief valve - jammed (cause)
  - hydraulic system - inoperative (cause)
  - gear extension - not possible, pilot in command
  - wheels up landing - performed, pilot in command

## Analysis

THE PILOT WAS UNABLE TO EXTEND THE LANDING GEAR BY USING EITHER THE NORMAL OR EMERGENCY PUMP. SUBSEQUENTLY, A WHEELS UP LANDING WAS MADE. AN EXAMINATION OF THE HYDRAULIC POWERPACK, PN 1280510-1, REVEALED THAT THE SECONDARY PRESSURE RELIEF POPPET VALVE (MS134345) WAS OFF ITS SEAT AND JAMMED BETWEEN THE SPRING BUTTON AND POWERPACK BODY. WITH THIS PROBLEM, THE SYSTEM COULD NOT BE PRESSURIZED. THE POWERPACK AND POPPET VALVE HAD 1792 HRS OF OPERATION.

## Aircraft

- Registration: [N2747V](https://openairdocs.org/aircraft/N2747V), registered now, S/N 21058458 (OpenAirDocs)
- Reported make and model: CESSNA 210D
- Registry model: [Cessna 210D](https://openairdocs.org/model/cessna-210d) (registry code 2073414) (OpenAirDocs)
- Category: Airplane
- Serial number: 21058458
- Airframe hours: 1792
- Engines: CONTINENTAL IO-520-A 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Larry E. Halbert
- Registered owner: Bill Walker And Associates
- Departed: SSI, ST. SIMONS ISLA, GA
- Destination: CRG, JACKSONVILLE, FL
- Airport: SSI, Malcolm Mckinnon, runway 4, 5,466 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 34; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 466 total, 6 in this make and model, 444 as pilot in command, 66 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 5 statute miles

## 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 19820716041779A](https://openairdocs.org/incident/19820716041779A), Jul 16, 1982: Cessna 210D, St Simons Islan, GA, Substantial damage. Gear would not extend, aircraft landed gear up causing substantial damage.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.