# NTSB CHI69D0158: Piper PA-22, N3645A, Pontiac, MI, August 24, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 24, 1968
- Place: Pontiac, MI · PONTIAC, MI
- Location: 42.6492° N, 83.2874° W: Placed by OpenAirDocs: center of Pontiac, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6492&lon=-83.2874&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 17, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 109151
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69D0158
- Page: https://openairdocs.org/ntsb/CHI69D0158

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2303  68/8/24    PONTIAC,MICH        PIPER PA-22         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 302
        TIME - 1430                    N3645A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PONTIAC
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           NOSE OVER/DOWN                                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      4000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      92
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          310                                                       55
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- WINDS 55-60K,WITH GUSTS.
```

## Aircraft

- Registration: [N3645A](https://openairdocs.org/deregistered/N3645A-1996-01-03), registration cancelled 1996-01-03, S/N 221905 (OpenAirDocs)
- Reported make and model: PIPER PA-22
- Registry model: [Piper PA-22](https://openairdocs.org/model/piper-pa-22) (registry code 7102202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Pontiac

## Other investigations on N3645A (2)

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.

- [NTSB SEA94FA174](https://openairdocs.org/ntsb/SEA94FA174), Jul 9, 1994: Piper PA-22-135 (N3645A), Leavenworth, WA, destroyed, 3 fatal. Probable cause: THE PILOT'S INADEQUATE PREFLIGHT PLANNING/PREPARATION. FACTORS RELATED TO THE ACCIDENT WERE: HIGH DENSITY ALTITUDE, THE RUNWAY CONDITION (WITH AREAS OF SOFT OR UNEVEN TERRAIN AND TALL GRASS), AND…
- [NTSB CHI67F0527](https://openairdocs.org/ntsb/CHI67F0527), Mar 2, 1967: Piper PA-22 (N3645A), Kalamazoo, MI, substantial damage

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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