- Date
- February 23, 1970
- Place
- Alliance, NE · ALLIANCE, NE
- Injuries
- 2 minor
- Damage
- Substantial damage
- Phase of flight
- Landing
- Aircraft
- N2236UBrantly B-2B
- Status
- Completed · report April 30, 1970
- Report
- Brief approved by the director
- Case key
- 138651
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
NTSB brief
NTSB’s brief of the accident, as it was printed: the coded facts, with the probable cause and factors.
---------------------------------------------------------------------------------------------------------------------------- FILE DATE LOCATION AIRCRAFT DATA INJURIES FLIGHT PILOT DATA F S M/N PURPOSE ---------------------------------------------------------------------------------------------------------------------------- 3-0029 70/2/23 ALLIANCE,NEBR BRANTLY B-2B CR- 0 0 2 INSTRUCTIONAL COMMERCIAL, FL.INSTR., TIME - 1030 N2236U PX- 0 0 0 DUAL AGE 36, 369 TOTAL HOURS, DAMAGE-SUBSTANTIAL OT- 0 0 0 139 IN TYPE, NOT INSTRUMENT RATED. NAME OF AIRPORT - ALLIANCE DEPARTURE POINT INTENDED DESTINATION ALLIANCE,NEBR LOCAL TYPE OF ACCIDENT PHASE OF OPERATION HARD LANDING LANDING: POWER-OFF AUTOROTATIVE LANDING GEAR COLLAPSED LANDING: POWER-OFF AUTOROTATIVE LANDING PROBABLE CAUSE(S) DUAL STUDENT - SPONTANEOUS-IMPROPER ACTION DUAL STUDENT - IMPROPER OPERATION OF FLIGHT CONTROLS DUAL STUDENT - CONTROL INTERFERENCE PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS FACTOR(S) MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE REMARKS- IP SAID WAS DEMONSTRATING AUTOROTATIVE LDG WHEN STUDENT SUDDNLY PULLED COLLECTV CTL.UN REGAIN RPM.
Aircraft
- Registration
- N2236U
- Reported as
- Brantly B-2B
- Category
- Helicopter
- Engine
- reciprocating
- Damage
- Substantial damage
- Airport
- Alliance
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.