# NTSB ATL87LA192: Navion H, N2525T, New Ellenton, SC, June 28, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 28, 1987, 18:00 local (22:00 UTC)
- Place: New Ellenton, SC
- Coordinates: 33.410655, -81.679756 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=33.4107&lon=-81.6798&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 25, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 7467
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL87LA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7467/pdf
- Page: https://openairdocs.org/ntsb/ATL87LA192

## Sequence of events

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

- Hard landing, landing - flare/touchdown
  - flight/nav instruments,airspeed indicator - false indication (cause)
  - maintenance,inspection - inadequate, other maintenance personnel (contributing factor)
  - procedures/directives - not followed, pilot in command (contributing factor)
  - flare - improper, pilot in command (contributing factor)

## Analysis

PREVIOUSLY, THE ACFT HAD BEEN INVOLVED IN A GEAR-UP LNDG & WAS OUT OF SVC WHILE IT WAS BEING REPAIRED. DRG THAT TIME THE ANNUAL INSPN EXPIRED. A SPECIAL AIRWORTHINESS CERTIFICATE WAS OBTAINED TO FERRY THE ACFT TO THE SIZEMORE ARPT FOR THE ANNUAL INSPN. DRG ARRIVAL, THE ACFT LNDD HARD & THE RGT WING WAS DMGD. THE PLT STATED THAT DRG THE FLT, HE NOTED A HIGHER THAN NORMAL AIRSPEED INDCN THAN HE WAS ACCUSTOMED TO SEEING FOR THE POWER SETTING. HE STATED THAT DRG THE FLARE TO LND, THE ACFT 'SUDDENLY DROPPED.'  A POST ACDNT TEST OF THE PITOT STATIC SYS SHOWED THAT FOR CALIBRATED AIRSPEEDS OF 52, 65 & 75 KTS (59.8, 74.75 & 86.25 MPH) THE RESPECTIVE INDCD SPEEDS ON THE AIRSPEED INDCR WERE 3.2, 5.25 & 4.75 MPH HIGHER. AN EXAM OF THE MAINT RECORDS SHOWED THE PITOT TUBE HAD BEEN REPLACED, BUT THERE WAS NO ENTRY IN THE LOG OF A SYS TEST AFTER THE MAINT WAS PERFORMED.

## Aircraft

- Registration: [N2525T](https://openairdocs.org/aircraft/N2525T), registered now, S/N NAV-4-2521 (OpenAirDocs)
- Reported make and model: NAVION H
- Registry model: [Navion NAVION H](https://openairdocs.org/model/navion-navion-h) (registry code 6150122) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: NAV42521
- Airframe hours: 1234
- Engines: CONTINENTAL IO-520-B 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Ferry, Part 91
- Operator: James C.Hicks
- Registered owner: James C Hicks
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, April 14, 1986
- Departed: 19A, JEFFERSON, GA
- Airport: Sizemore

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 55; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; flight hours: 798 total, 218 in this make and model, 742 as pilot in command

## Weather

- Conditions: Visual (VMC), Day
- Wind: 310° at 6 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 95 °F

## 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 19870628031929A](https://openairdocs.org/incident/19870628031929A), Jun 28, 1987: Tmpson NAVIONH, New Ellenton, SC, Substantial damage. During landing flare, aircraft suddenly dropped to runway. Faulty airspeed indicator. Ferry permit not adhered to.

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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