# NTSB CHI99LA283: Cessna 172P, N933LA, Waukegan, IL, August 6, 1999

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: August 6, 1999, 09:30 local (14:30 UTC)
- Place: Waukegan, IL
- Coordinates: 42.369972, -87.860626 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.3700&lon=-87.8606&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 22, 2000
- Report: Approved by Office Director
- NTSB case key (mKey): 47003
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI99LA283
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/47003/pdf
- Page: https://openairdocs.org/ntsb/CHI99LA283

## Probable cause

the pilot's misjudged landing flare and his inadequate recovery from the bounced landing.

## Sequence of events

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

- Loss of control - in flight, landing - flare/touchdown
  - flare - misjudged, pilot in command (cause)
  - recovery from bounced landing - inadequate, pilot in command (cause)
- Nose gear collapsed, landing - flare/touchdown
  - landing gear,nose gear assembly - overload

## Analysis

The pilot reported that he made the landing approach to runway 23 (6,000' x 150') at an airspeed of 80 miles per hour with the flaps extended.  He reported that the airplane bounced four times during the landing touchdown.  Local winds at the time of the accident were from 270 degrees at 10 knots.  Inspection of the airplane revealed that the nose gear collapsed and the firewall, engine mounts, and fuselage skin were damaged.

## Factual narrative

On August 6, 1999, at 0930 central daylight time, a Cessna 172P, N933LA, experienced a nose gear collapse during a bounced landing at the Waukegan Regional Airport, Waukegan, Illinois.  The pilot was not injured.  The airplane was substantially damaged.  The 14 CFR Part 91 personal flight was operating in visual meteorological conditions.  A flight plan was not filed.  The flight originated from the Aurora Municipal Airport, Aurora, Illinois, at 0850 cdt.

The pilot reported he made the landing approach to runway 23 (6,000' x 150') at an airspeed of 80 miles per hour with the flaps extended.  He reported that the airplane bounced four times during the landing touchdown.

Inspection of the airplane revealed the nose gear collapsed and the firewall, engine mounts, and fuselage skin were damaged.

The pilot reported the local winds were from 270 degrees at 10 knots when the accident occurred.

## Aircraft

- Registration: [N933LA](https://openairdocs.org/aircraft/N933LA), registered now, S/N 17280640, built 1998 (OpenAirDocs)
- Reported make and model: Cessna 172P
- Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (registry code 2072401) (OpenAirDocs)
- Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17275094
- Airframe hours: 8781
- Engines: Lycoming O-320-D2J 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Lumanair, Inc
- Airworthiness certificate: Standard, Normal
- Departed: ARR, AURORA, IL
- Destination: UGN
- Airport: UGN, Waukegan Regional, runway 23, 6,000 × 150 ft, concrete

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 74; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 2,983 total, 70 in this make and model, 8 in the last 90 days, 4 in the last 30 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: 270° at 10 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 61 °F
- Altimeter: 29.00 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 19990806011699A](https://openairdocs.org/incident/19990806011699A), Aug 6, 1999: Cessna 172P, Chicago/Waukega, IL, Substantial damage. Acft bounced several times on landing and sustained substantial damage. (.19) on August 6, 1999, at 0930 central daylight time, a Cessna 172P, N933LA,…

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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