# NTSB LAX84LA458: Cessna P172D, N8530X, Livermore, CA, August 21, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 20, 1984, 18:09 local (Aug 21, 1984, 01:09 UTC)
- Place: Livermore, CA
- Coordinates: 37.67947, -121.74932 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.6795&lon=-121.7493&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): 24386
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA458
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24386/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA458

## 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)
  - proper descent rate - exceeded, pilot in command
  - aborted landing - performed, pilot in command

## Analysis

ACCORDING TO THE PLT, THE ACFT LANDED HARD AND PORPOISED SEVERAL TIMES BEFORE THE LANDING WAS ABORTED. THE SECOND LANDING WAS UNEVENTFUL. SUBSEQUENT INSPECTION OF THE ACFT REVEALED THAT BOTH WINGS AND THE FUSELAGE WERE BUCKLED AND THE LOWER ENGINE MOUNTS WERE FRACTURED.

## Aircraft

- Registration: [N8530X](https://openairdocs.org/deregistered/N8530X-2013-05-14), registration cancelled 2013-05-14, S/N P17257130, built 1962 (OpenAirDocs)
- Reported make and model: CESSNA P172D
- Registry model: [Cessna P172D](https://openairdocs.org/model/cessna-p172d) (registry code 2072202) (OpenAirDocs)
- Registry engine: [Continental GO-300 series](https://openairdocs.org/engine/continental-go-300-series) (registry code 17024, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: P17257130
- Engines: LYCOMING O-320-02J 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Virgil W. Grove
- Airworthiness certificate: Standard, Normal
- Departed: LIVERMORE, CA
- Airport: LVK, Livermore Municipal, runway 25, 4,000 × 100 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 50; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °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 19840820075989A](https://openairdocs.org/incident/19840820075989A), Aug 20, 1984: Cessna P172D, Livermore, CA, Substantial damage. Hard landing, bounced, went around. Made safe landing with wings and fuselage buckled and engine mount broken.

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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