# NTSB SEA73AS029: Aeronca 15AC, N1369H, Summit, MT, April 1, 1973

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: April 1, 1973
- Place: Summit, MT · SUMMIT, MT
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 11, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 170417
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73AS029
- Page: https://openairdocs.org/ntsb/SEA73AS029

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0625   73/4/1  NR.SUMMIT,MONT        AERONCA 15AC        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 43, 676
        TIME - 1935                    N1369H              PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SPOKANE,WASH                GREAT FALLS,MONT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           TERRAIN - HIGH OBSTRUCTIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        MISSING AIRCRAFT - LATER RECOVERED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                 UNKNOWN/NOT REPORTED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     IFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- FLEW INTO OBSCURED MTN PASS. RECOVERY DATE 4/2/73.
```

## Aircraft

- Registration: [N1369H](https://openairdocs.org/deregistered/N1369H-1973-06-25), registration cancelled 1973-06-25, S/N 15AC-418 (OpenAirDocs)
- Reported make and model: AERONCA 15AC
- Registry model: [Aeronca 15AC](https://openairdocs.org/model/aeronca-15ac) (registry code 0191202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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