# NTSB CHI67F0087: Navion B, N29P, Marshall, WI, June 28, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 28, 1966
- Place: Marshall, WI · MARSHALL, WI
- Location: 43.1705° N, 89.0626° W: Placed by OpenAirDocs: center of Marshall, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.1705&lon=-89.0626&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report August 30, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 170834
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI67F0087
- Page: https://openairdocs.org/ntsb/CHI67F0087

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1728  66/6/28    MARSHALL WIS        NAVION B            CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 734
        TIME - 0600                    N29P                PX-  0  0  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 572 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - SHEPARD
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIGH VEGETATION
        REMARKS- GRASS ON AIRSTRIP 9-18 INCHES HIGH.PROPELLER PUT IN HIGH PITCH JUST AFTER LIFT OFF.
```

## Aircraft

- Registration: [N29P](https://openairdocs.org/aircraft/N29P), registered now, S/N NAV-4-2320B, built 1951 (OpenAirDocs)
- Reported make and model: NAVION B
- Registry model: [Navion NAVION B](https://openairdocs.org/model/navion-navion-b) (registry code 6150112) (OpenAirDocs)
- Registry engine: [Lycoming GO-435](https://openairdocs.org/engine/lycoming-go-435) (registry code 41520, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Shepard

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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