# NTSB SEA72FYC29: Aero Comdr 680-F, N6280X, John Day, OR, March 10, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 10, 1972
- Place: John Day, OR · JOHN DAY, OR
- Location: 44.4181° N, 118.9563° W: Placed by OpenAirDocs: center of John Day, OR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.4181&lon=-118.9563&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report December 21, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 165700
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FYC29
- Page: https://openairdocs.org/ntsb/SEA72FYC29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0919  72/3/10  NR.JOHN DAY,OREG      AERO COMDR 680-F    CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 632
        TIME - 1825                    N6280X              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 403 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          TWIN FALLS,ID               HILLSBORO,OREG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: UNCONTROLLED DESCENT
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           SYSTEMS - OXYGEN SYSTEM: CREW SYSTEM
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - INCAPACITATION
           MISCELLANEOUS ACTS,CONDITIONS - HYPOXIA
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        REMARKS- PLT LOST CTL AT 26000FT DUE OXY MASK LINE OBSTRUCTION.MADE ABRUPT RECOVERY AT 20000 FT.DMGD WGS.
```

## Aircraft

- Registration: [N6280X](https://openairdocs.org/deregistered/N6280X-2013-11-07), registration cancelled 2013-11-07, S/N 680F-1181-94, built 1962 (OpenAirDocs)
- Reported make and model: AERO COMDR 680-F
- Registry model: [Aero Commander 680-F](https://openairdocs.org/model/aero-commander-680-f) (registry code 0141606) (OpenAirDocs)
- Registry engine: [Lycoming IGSO-540-B1A](https://openairdocs.org/engine/lycoming-igso-540-b1a) (registry code 41535, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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