# NTSB LAX88LA269: Cessna 172N, N9850J, Redlands, CA, July 22, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 22, 1988, 08:30 local (15:30 UTC)
- Place: Redlands, CA
- Coordinates: 34.000099, -117.119422 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=34.0001&lon=-117.1194&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 2, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 26068
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX88LA269
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/26068/pdf
- Page: https://openairdocs.org/ntsb/LAX88LA269

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - directional control - not maintained, pilot in command (cause)
  - lack of total experience, pilot in command (contributing factor)
  - remedial action - delayed, pilot in command (contributing factor)
- Nose gear collapsed, takeoff - aborted
  - terrain condition - rough/uneven (contributing factor)
  - landing gear,nose gear - overload

## Analysis

DURING THE TAKEOFF GROUND RUN ON A SOLO INSTRUCTIONAL FLIGHT, THE STUDENT PILOT LOST CONTROL OF THE AIRPLANE. THE AIRPLANE VEERED TO THE LEFT. THE PILOT APPLIED RIGHT RUDDER, HOWEVER, THE AIRPLANE CONTINUED TO THE LEFT, EXITED THE RUNWAY AND COLLIDED WITH THE TERRAIN. THERE WERE NO REPORTED MECHANICAL FAILURES OR MALFUNCTIONS WITH THE AIRPLANE PRIOR TO THE ACCIDENT.

## Aircraft

- Registration: [N9850J](https://openairdocs.org/deregistered/N9850J-1989-02-24), registration cancelled 1989-02-24, S/N 17273936 (OpenAirDocs)
- Reported make and model: CESSNA 172N
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Category: Airplane
- Serial number: 17273936
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Registered owner: Stubbs, Mike
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 17, 1988, 70 hours before
- Departed: L12
- Airport: L12, Redlands, runway 26, 4,500 × 75 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 33; student; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 23 total, 18 in this make and model, 1 as pilot in command, 22 in the last 90 days, 15 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 81 °F
- Observed at: SBD

## 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 19880722027849A](https://openairdocs.org/incident/19880722027849A), Jul 22, 1988: Cessna 172N, Redlands, CA, Substantial damage. Lost directional control on a supervised solo takeoff. Aircraft ran off runway into rough ground.

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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