# NTSB IAD74AI034: Piper PA-23, Millboro, VA, December 11, 1973

- Type: NTSB accident investigation
- Date: December 11, 1973
- Place: Millboro, VA · MILLBORO, VA
- Location: 37.9785° N, 79.6022° W: Placed by OpenAirDocs: center of Millboro, VA, within about 6 miles (OpenAirDocs)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: DirectorBrief, March 5, 1974
- NTSB case key (mKey): 187395
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD74AI034
- Page: https://openairdocs.org/ntsb/IAD74AI034

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3977  73/12/11   MILLBORO,VA         PIPER PA-23         CR-  1  0  0  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0055                    N1905T              PX-  0  0  0  COMMUTER AIR CARRIER      49, 13110 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-CARGO S-D        110 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          RICHMOND,VA                 CHARLESTON,W VA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO USE OR INCORRECTLY USED MISC.EQUIPMENT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           SYSTEMS - ANTI-ICING,DE-ICING SYSTEMS: PITOT ANTI-ICE SYSTEM
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - FLIGHT AND NAVIGATION INSTRUMENTS: DIRECTIONAL GYRO
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      3500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     SNOW SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          UNKNOWN/NOT REPORTED                                     BELOW MINIMUMS
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- PLT ASKED PLT OTR ACFT WHERE ALT STATIC SOURCE WAS.PITOT HEAT FOUND OFF.ICE CAUTION IN FLT MANUAL.
```

## Sequence of events

- Enroute-change of cruise level

## Aircraft

- Registration: N1905T, a cancelled registration (https://openairdocs.org/deregistered/N1905T-1974-03-14) (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: Piper PA-23-250 (registry code 7102308, https://openairdocs.org/model/piper-pa-23-250) (OpenAirDocs)
- Category: Airplane
- Damage: Destroyed
- FAA reports: 19731211042349A (https://openairdocs.org/incident/19731211042349A) (OpenAirDocs)

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.