# NTSB DEN71AD007: Lockheed 188, N855U, Hill Af Base, UT, August 24, 1970

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 24, 1970
- Place: Hill Af Base, UT · HILL AF BASE, UT
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed, report December 18, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 115413
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN71AD007
- Page: https://openairdocs.org/ntsb/DEN71AD007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0027  70/8/24    HILL AF BASE,UT     LOCKHEED 188        CR-  0  0  3  MILITARY CTR CARGO DOM    ATP,FLIGHT INSTR., AGE
        TIME - 0708                    N855U               PX-  0  0  0                            44, 16395 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1022 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HILL AFBASE
        OPERATOR - UNIVERSAL AIRLINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          HILL AF BASE,UT             GRAND FORKS,N DAK            MINOT,N DAK
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PERSONNEL - FLIGHT ENGINEER: INADEQUATE PREFLIGHT
           MISCELLANEOUS ACTS,CONDITIONS - ACTION,LACK OF
           MISCELLANEOUS ACTS,CONDITIONS - PRESSURE TOO LOW
        FACTOR(S)
           SYSTEMS - HYDRAULIC SYSTEM: HYDRAULIC PUMPS
           SYSTEMS - FLIGHT CONTROL SYSTEMS: FLIGHT CONTROL BOOST SYSTEMS, HYDRAULIC
         FIRE AFTER IMPACT
        REMARKS- NOSED OVER AFTER T/O.UNABLE TO CTL PITCH.ONE HYD PUMP USED.COMPANY REQ USE OF ALL 3 PUMPS FOR T/O.
```

## Aircraft

- Registration: [N855U](https://openairdocs.org/deregistered/N855U-1972-05-06), registration cancelled 1972-05-06, S/N 2012 (OpenAirDocs)
- Reported make and model: LOCKHEED 188
- Registry model: [Lockheed 188C](https://openairdocs.org/model/lockheed-188c) (registry code 5262604) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Destroyed
- Airport: Hill Afbase

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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