# NTSB LAX90LA192: Cessna 150F, N27G, Franklin, CA, May 20, 1990

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 20, 1990, 16:30 local (23:30 UTC)
- Place: Franklin, CA
- Coordinates: 38.249515, -122.310363 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.2495&lon=-122.3104&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 10, 1992
- Report: Approved by Office Director
- NTSB case key (mKey): 26818
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX90LA192
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/26818/pdf
- Page: https://openairdocs.org/ntsb/LAX90LA192

## Probable cause

THE FIXED BASE OPERATOR MECHANIC USED IMPROPER BOLT/NUT DURING REPAIR OF THE ELEVATOR SYSTEM.

## Sequence of events

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

- In flight collision with object, cruise - normal
  - flt control syst,elevator control cable/rod - jammed (contributing factor)
  - maintenance,replacement - improper, company maintenance personnel (cause)
- Forced landing, descent - emergency
- On ground/water collision with object, landing - flare/touchdown
  - flare - not possible, pilot in command (contributing factor)

## Analysis

WHILE IN NORMAL CRUISE FLT, THE AIRPLANE'S ELEVATOR JAMMED. THE PILOT ELECTED TO LND AT THE NEAREST ARPT. THE PLT WAS UNABLE TO FLARE THE AIRPLANE AND IT SUSTAINED A HARD LANDING. THE INVESTIGATION DSCLSD THAT A BOLT IN THE ELEVATOR SYSTEM HAD BACKED OFF AND JAMMED THE ELEVATOR BELLCRANK. AN INCORRECT ELEVATOR RETAINING BOLT AND NUT WERE USED, WHICH DID NOT PROVIDE PROVISION FOR A COTTER PIN.

## Aircraft

- Registration: [N27G](https://openairdocs.org/deregistered/N27G-2014-12-02), registration cancelled 2014-12-02, S/N 15062999, built 1966 (OpenAirDocs)
- Reported make and model: CESSNA 150F
- Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs)
- Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 15062999
- Airframe hours: 4147
- Engines: CONTINENTAL O-200 100 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Robert E. Barabino
- Registered owner: General Aviation Services, Inc
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, May 14, 1990, 3 hours before
- Departed: SAC, SACRAMENTO, CA
- Destination: SCK, STOCKTON, CA
- Airport: Q53, Franklin, runway 27, 3,100 × 60 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; flight instructor, airline transport; airplane ratings: multi-engine sea, single-engine land, multi-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 10,000 total, 1,500 in this make and model, 30 in the last 90 days, 10 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 260° at 12 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 64 °F, dew point -0 °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 19900520020349A](https://openairdocs.org/incident/19900520020349A), May 20, 1990: Cessna 150F, Franklin, CA, Substantial damage. Nut holding cable on elevator bell crank backed off,jammed control. Made hard emergency landing. Incorrect nut used

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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