# NTSB CHI72DEV18: Piper PA-16, Lawrenceville, IL, November 20, 1971

- Type: NTSB accident investigation
- Date: November 20, 1971
- Place: Lawrenceville, IL · LAWRENCEVILLE, IL
- Location: 38.7263° N, 87.6873° W: Placed by OpenAirDocs: center of Lawrenceville, IL, within about 6 miles (OpenAirDocs)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: DirectorBrief, April 28, 1972
- NTSB case key (mKey): 117045
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI72DEV18
- Page: https://openairdocs.org/ntsb/CHI72DEV18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3570  71/11/20   LAWRENCEVILLE,ILL   PIPER PA-16         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 36, 71 TOTAL
        TIME - 0620                    N5899H              PX-  0  0  0  BUSINESS                  HOURS, 5 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - LAWRENCEVILLE-VIN
        DEPARTURE POINT             INTENDED DESTINATION
          LAWRENCEVILLE,ILL           MCCOMB,MISS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    4500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     UNKNOWN/NOT REPORTED
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          240                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- BECAME AIRBORNE DURING 180 DEG TURN IN WINDS GUSTING TO ABOUT 20K.
```

## Sequence of events

- Enroute-change of cruise level

## Aircraft

- Registration: N5899H, a cancelled registration (https://openairdocs.org/deregistered/N5899H-2013-02-01) (OpenAirDocs)
- Reported make and model: PIPER PA-16
- Registry model: Piper PA-16 (registry code 7101602, https://openairdocs.org/model/piper-pa-16) (OpenAirDocs)
- Registry engine: Lycoming 0-235 series (registry code 41505, https://openairdocs.org/engine/lycoming-0-235-series) (OpenAirDocs)
- Category: Airplane
- Damage: Substantial damage
- Airport: LAWRENCEVILLE-VIN

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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From OpenAirDocs.org, an independent open copy of NTSB and FAA data. The NTSB's own report is the official record of an investigation.