# NTSB LAX84LA203: Cessna 172A, N7168T, San Jose, CA, February 28, 1984

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: February 28, 1984, 15:43 local (23:43 UTC)
- Place: San Jose, CA
- Coordinates: 37.340587, -121.89965 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.3406&lon=-121.8996&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 24189
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX84LA203
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/24189/pdf
- Page: https://openairdocs.org/ntsb/LAX84LA203

## Sequence of events

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

- Propeller blast or jet exhaust/suction, taxi - to takeoff
  - planning/decision - improper, pilot in command (cause)
- Nose over, taxi - to takeoff

## Analysis

THE PLT OF THE CESSNA 172 REQUESTED CLEARANCE TO RWY 30R & WAS CLEARED AS REQUESTED. WHILE TAXIING, HE WAS CAUTIONED ABOUT TURBULENCE BEHIND A DC-9. THE DC-9 PLTS WERE WAITING TO TAKEOFF ON RWY 30L. THE CESSNA PLT STARTED TO PASS AS THE DC-9 WAS CLEARED ONTO RWY 30L TO HOLD. THE CESSNA ENCOUNTERED JET BLAST FROM THE DC-9 & NOSED OVER.

## Aircraft

- Registration: [N7168T](https://openairdocs.org/deregistered/N7168T-2018-10-23), registration cancelled 2018-10-23, S/N 46768, built 1959 (OpenAirDocs)
- Reported make and model: CESSNA 172A
- Registry model: [Cessna 172A](https://openairdocs.org/model/cessna-172a) (registry code 2072404) (OpenAirDocs)
- Registry engine: [Continental 0-300 series](https://openairdocs.org/engine/continental-0-300-series) (registry code 17022, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 46768
- Airframe hours: 2400
- Engines: CONTINENTAL O-300-C 145 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Earl W. Edelen
- Airworthiness certificate: Standard, Normal
- Destination: 088, RIO VISTA, CA
- Airport: SJC, San Jose Muni, runway 30R, 4,418 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 2,858 total, 1,407 in this make and model, 2,749 as pilot in command, 15 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 11 knots
- Visibility: 20 statute miles
- Lowest ceiling: 20,000 ft broken
- Temperature: 66 °F, dew point 45 °F
- Altimeter: 30.00 inHg
- Observed at: SJC

## 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 19840228004359A](https://openairdocs.org/incident/19840228004359A), Feb 28, 1984: Cessna 172A, San Jose, CA, Substantial damage. Blown over by jet blast from departing DC9. Inadequate spacing by pilot and design of runway taxiway problems.

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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