# NTSB LAX92LA049: Piper PA28R-201, N91886, Gila Bend, AZ, November 22, 1991 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: November 21, 1991, 19:15 local (Nov 22, 1991, 02:15 UTC) - Place: Gila Bend, AZ - Coordinates: 32.990116, -112.899795 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=32.9901&lon=-112.8998&mi=10 - Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 3 uninjured - Status: Completed, report April 27, 1993 - Report: Approved by Office Director - NTSB case key (mKey): 27506 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX92LA049 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/27506/pdf - Page: https://openairdocs.org/ntsb/LAX92LA049 ## Probable cause THE ANIMAL ON THE RUNWAY. CONTRIBUTING TO THIS ACCIDENT WAS SEPARATION OF THE RIGHT MAIN LANDING GEAR DUE TO OVERLOAD AND THE DARK NIGHT. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - In flight collision with object, takeoff - initial climb - object - animal(s) (cause) - light condition - dark night (contributing factor) - landing gear,main gear attachment - separation (contributing factor) - landing gear,main gear attachment - overload (contributing factor) ## Analysis THE CERTIFICATED PRIVATE PILOT DUAL STUDENT WAS RECEIVING NIGHT TAKEOFF AND LANDING INSTRUCTION. THE CFI INSTRUCTED THE DUAL STUDENT TO EXECUTE A TOUCH AND GO LANDING AND TAKEOFF ON RUNWAY 22. THE DUAL STUDENT SUCCESSFULLY LANDED AND INITIATED THE TAKEOFF. WHEN THE AIRPLANE ROTATED THE CFI OBSERVED A GRAYISH OBJECT TRAVERSING PERPENDICULAR TO THE RUNWAY NEAR THE RIGHT LEADING EDGE WING ROOT AND SUBSEQUENTLY COLLIDED WITH IT. THE OBJECT WAS LATER IDENTIFIED AS A DEER. THE FLIGHT CONTINUED THE TAKEOFF AND RETURNED TO ITS HOME BASE. DURING THE RETURN FLIGHT THE CFI ASCERTAINED THAT RIGHT MAIN LANDING GEAR SEPARATED FROM ITS ATTACH POINT, BUT THE CFI WAS ABLE TO LAND AT ITS HOME BASE WITHOUT FURTHER INCIDENT. ## Aircraft - Registration: [N91886](https://openairdocs.org/deregistered/N91886-1993-11-02), registration cancelled 1993-11-02, S/N 2837037 (OpenAirDocs) - Reported make and model: PIPER PA28R-201 - Registry model: [Piper PA-28R-201](https://openairdocs.org/model/piper-pa-28r-201) (registry code 7102816) (OpenAirDocs) - Category: Airplane - Serial number: 2837037 - Airframe hours: 2888 - Engines: LYCOMING IO-360-C1C6 200 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Air Transport Training Intl - Registered owner: Mcdonald Douglas Finance CO. - Airworthiness certificate: Standard, Normal - Last inspection: AAIP, November 15, 1991, 46 hours before - Departed: RYN, TUCSON, AZ - Destination: E63, GILA BEND, AZ - Flight plan: VFR - Airport: E63, Gila Bend Municipal, runway 22, 3,800 × 75 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 31; commercial, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, valid medical--w/ waivers/lim; seat: right; flight hours: 4,445 total, 1,271 in this make and model, 4,186 as pilot in command, 219 in the last 90 days, 83 in the last 30 days, 3 in the last 24 hours ## Weather - Conditions: Visual (VMC), Night/dark - Visibility: 50 statute miles - Lowest ceiling: none - Temperature: 64 °F ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 19911121053469A](https://openairdocs.org/incident/19911121053469A), Nov 21, 1991: Piper PA28R201, Gila Bend, AZ, Substantial damage. Collided with a deer on the runway on lift off. Impact severed right gear. Wing damaged on landing back at tucson. ## Other investigations on N91886 (1) 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. - [NTSB LAX92LA287](https://openairdocs.org/ntsb/LAX92LA287), Jul 3, 1992: Piper PA-28R-201 (N91886), Tucson, AZ, substantial damage. Probable cause: THE FAILURE OF THE STUDENT TO EXTEND THE LANDING GEAR PRIOR TO LANDING AND THE FAILURE OF THE FLIGHT INSTRUCTOR TO PROPERLY SUPERVISE THE CONDUCT OF THE FLIGHT. 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. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.