# NTSB NYC72AN012: Cessna A150K, N8440M, Collegeville, PA, July 26, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 26, 1971
- Place: Collegeville, PA · COLLEGEVILLE, PA
- Location: 40.1869° N, 75.4575° W: Placed by OpenAirDocs: center of Collegeville, PA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.1869&lon=-75.4575&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report November 30, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161233
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC72AN012
- Page: https://openairdocs.org/ntsb/NYC72AN012

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0416  71/7/26    COLLEGEVILLE,PA     CESSNA A150K        CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1645                    N8440M              PX-  0  0  0  DUAL                      AGE 28, 2026 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            435 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PERKIOMEN VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          COLLEGEVILLE,PA             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS
           DUAL STUDENT - SELECTED WRONG RUNWAY RELATIVE TO EXISTING WIND
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           WEATHER - THUNDERSTORM ACTIVITY
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    3500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          4 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          UNKNOWN/NOT REPORTED                                     TAIL WIND 158-202 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          200                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- ACFT LOW PASS OUR RWY 9 FOLLOWED BY STEEP PULL UP OVR END.TURNED L THEN SUDDEN R TURN.TSTM EAST.
```

## Aircraft

- Registration: [N8440M](https://openairdocs.org/deregistered/N8440M-1971-09-01), registration cancelled 1971-09-01, S/N A15000140, built 1969 (OpenAirDocs)
- Reported make and model: CESSNA A150K
- Registry model: [Cessna A150K](https://openairdocs.org/model/cessna-a150k) (registry code 2071824) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Perkiomen Valley

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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