Landing Gear-Related Mishaps

Certified, piston-engine retractable gear aircraft

 

Data valid 9/8/2004 through 12/31/2006

 

©2004-2007 Mastery Flight Training, Inc.  all rights reserved

 

There were 31 reported Landing Gear-Related Mishaps in December 2006, with a low-end estimated insurance payout of US $1.25 million   The aviation insurance industry continues to pay on average well over $1 million every month in LGRM claims.

 

LEGEND

 

Definitions

Total Reports      Total number of reported mishaps (FAA, NTSB, and unofficial sources) involving that make and model of airplane

LGRM                Landing gear related mishap (from FAA, NTSB and unofficial sources.  Does not count "hard landings", runway excursions, etc that

                         precede a gear collapse.)

Gear Up             Landing with gear less than fully extended; no known mechanical cause

Gear Collapse    Gear did not remain down after extension; no known mechanical cause

Mech                 Known mechanical failure of extension mechanism or gear leading to a gear up or gear collapse mishap

 

Contributing factors

Dual                  Dual flight instruction underway at the time of mishap

T&G                  Touch and go takeoffs/landings

Wind                 Wind (steady or gusts) at or above 15 knots

Elect                 Electrical failure

Hydr                  Hydraulic failure

Mnx                  Mishap occurred during a maintenance test flight

Pilot                  Known pilot-activated inadvertent gear retraction

 

% of LGRM of that type of mishap 

% of total mishap reports for that type of aircraft  

 

Aircraft Total       Phase    Contributors         %
Type Reports            Incidents   Lng T/O Taxi Dual T&G Wind Elect Hydr Mnx Pilot LGRM
    Gear up                       0.0%
AC200 1 Collapse                       0.0%
    Mech                       0.0%
    Total 0                     0.0%
    Gear up                       0.0%
AC500 10 Collapse 2 2                   20.0%
    Mech 1 1                   10.0%
    Total 3                     30.0%
    Gear up                       0.0%
Be17 3 Collapse 1 1                   33.3%
    Mech                       0.0%
    Total 1                     33.3%
    Gear up 1 1                   9.1%
Be18 11 Collapse 4 4                   36.4%
    Mech                       0.0%
    Total 5                     45.5%
    Gear up 5 5     1   1 1       20.8%
Be24 24 Collapse 9 8 1   1 1 1         37.5%
    Mech                       0.0%
    Total 14                     58.3%
    Gear up 51 51         1 2       20.6%
Be33/35 247 Collapse 41 38 2 1   1 2       2 16.6%
/36   Mech 4 4                   1.6%
    Total 96                     38.9%
    Gear up                       0.0%
Be45 2 Collapse                       0.0%
(T-34)   Mech                       0.0%
    Total 0                     0.0%
    Gear up                       0.0%
Be50 2 Collapse                       0.0%
    Mech                       0.0%
    Total 0                     0.0%
    Gear up 15 15         1         18.1%
Be55/56 83 Collapse 24 23   2 1   2 1       28.9%
/58   Mech 1 1                   1.2%
    Total 40                     48.2%
    Gear up 1 1         1         7.7%
Be60 13 Collapse 4 4       1           30.8%
    Mech                       0.0%
    Total 5                     38.5%
    Gear up 1                     100.0%
Be65 1 Collapse                       0.0%
    Mech                       0.0%
    Total 1                     100.0%
    Gear up 1 1                   5.9%
Be76 17 Collapse 8 7 1   5 1 1       1 47.1%
    Mech                       0.0%
    Total 9                     52.9%
    Gear up                       0.0%
Be95 11 Collapse 4 4       1           36.4%
    Mech                       0.0%
    Total 4                     36.4%
    Gear up 4 4         1         11.1%
BL14/19 36 Collapse 7 7       1           19.4%
/17   Mech 1 1                   2.8%
    Total 12                     33.3%
    Gear up 17 17     2 1 1         43.6%
C172RG 39 Collapse 6 6     1   2 1       15.4%
    Mech 5 5     1   1   1     17.9%
    Total 28                     71.8%
    Gear up 17 17           2   1   38.6%
C177RG 44 Collapse 8 8         1         18.2%
    Mech 6 6     1         1   19.4%
    Total 31                     70.5%
    Gear up 9 9         1         22.5%
C182RG 40 Collapse 9 7 2   1             22.5%
    Mech 2 2                   5.0%
    Total 20                     50.0%
    Gear up 42 42     1 1 5 1     1 23.0%
C210 183 Collapse 18 16 1 1   1 2         9.8%
    Mech 9 9         1     1   4.9%
    Total 69                     37.7%
    Gear up                       0.0%
C303 2 Collapse                       0.0%
    Mech                       0.0%
    Total 0                     0.0%
    Gear up 6 6                   9.7%
C310/320 62 Collapse 27 26   1   1 2 1     1 43.5%
    Mech 6 6                   9.7%
    Total 39                     62.9%
    Gear up 4 4                   23.5%
C337 17 Collapse 2 2                   11.8%
    Mech 1 1                   5.9%
    Total 7                     41.2%
    Gear up                       0.0%
C340 16 Collapse 7 5   2               43.8%
    Mech 3 3                   18.8%
    Total 10                     62.5%
    Gear up 5 5     1 2 1         14.7%
C401/402 34 Collapse 12 11   1           1   35.3%
    Mech                       0.0%
    Total 17                     50.0%
    Gear up 4 4         1         6.2%
C411/414 65 Collapse 19 18 1       1         29.2%
/421   Mech 3 3                   4.6%
    Total 26                     40.0%
Commander   Gear up 5 5     2   1         23.8%
112/114 21 Collapse 4 3 1     1 1 1       19.0%
115   Mech                       0.0%
    Total 9                     42.9%
    Gear up                       0.0%
DC-3 3 Collapse 1 1                   33.3%
    Mech                       0.0%
    Total 1                     33.3%
    Gear up 1 1                   100.0%
GA-7 1 Collapse                       0.0%
    Mech                       0.0%
    Total 1                     100.0%
    Gear up 1 1                   9.1%
GC-1B 11 Collapse 3 3                   27.3%
Swift   Mech                       0.0%
    Total 4                     36.4%
    Gear up                       0.0%
Grumman 5 Collapse 1 1                   20.0%
Amphibs   Mech 1 1                   20.0%
    Total 2                     40.0%
    Gear up                       0.0%
GA7 1 Collapse                       0.0%
    Mech 1   1                 100.0%
    Total 1                     100.0%
    Gear up                       0.0%
L18/ 2 Collapse                       0.0%
H500   Mech                       0.0%
    Total 0                     0.0%
    Gear up 5 5                   38.5%
Lake 13 Collapse 2 2                   15.4%
    Mech 2 2                   15.4%
    Total 9                     69.2%
    Gear up 49 49     3 2 3 1       28.8%
M20 170 Collapse 26 25   2 1 1 7 2     1 15.3%
    Mech 5 5                   2.9%
    Total 80                     47.1%
    Gear up                       0.0%
Micco/ 5 Collapse 2 2                   40.0%
MAC145   Mech 2 2                   40.0%
    Total 4                     80.0%
    Gear up 6 6     1 1           27.3%
Navion 22 Collapse 3 3         1         13.6%
    Mech                       0.0%
    Total 9                     40.9%
    Gear up 3 3                   5.4%
PA23 56 Collapse 11 8 1 2               19.6%
    Mech 1 1     1             1.8%
    Total 15                     26.8%
    Gear up 18 18           2       25.7%
PA24 70 Collapse 18 15 2 1     1 1       25.7%
    Mech 1 1                   1.4%
    Total 37                     52.9%
    Gear up 25 25     3   1 2       26.0%
PA28R 96 Collapse 19 17 1 1 4 2 2         19.8%
    Mech 4 4     2             4.2%
    Total 48                     50.0%
    Gear up 2 2                   12.5%
PA30/39 16 Collapse 2 2                   12.5%
    Mech 1 1                   6.3%
    Total 5                     31.3%
    Gear up 5 5         1         14.7%
PA31 34 Collapse 4 4                   11.8%
    Mech                       0.0%
    Total 9                     26.5%
    Gear up 10 10     1             15.9%
PA32R 63 Collapse 11 11         1         17.5%
    Mech 2 2                   3.2%
    Total 23                     36.5%
    Gear up 9 9     1   1         14.3%
PA34 63 Collapse 24 23 1   5 3 1         38.1%
    Mech 1 1                   1.6%
    Total 34                     54.0%
    Gear up 5 5     3             21.7%
PA44 23 Collapse 13 13     6 1           56.5%
    Mech                       0.0%
    Total 18                     78.3%
    Gear up 1 1       1           3.3%
PA46 30 Collapse 2 2                   6.7%
    Mech 2 2             1     6.7%
    Total 5                     16.7%
    Gear up 2 2                   10.0%
PA60/ 20 Collapse 4 4                   20.0%
AS601/2   Mech                       0.0%
    Total 6                     30.0%
    Gear up                       0.0%
RC3 4 Collapse 3 3                   75.0%
    Mech                       0.0%
    Total 3                     75.0%
    Gear up 2 2                   50.0%
S-205/SF-206 4 Collapse                       0.0%
    Mech                       0.0%
    Total 2                     50.0%
    Gear up 2 2                   50.0%
TB20/21 4 Collapse                       0.0%
    Mech                       0.0%
    Total 2                     50.0%
    Gear up                       0.0%
YAK52/ 14 Collapse 5 5         1         35.7%
CJ-6   Mech 1 1                   7.1%
    Total 6                     42.9%
                           
Synopsis 9/8/04 - 12/31/06                      
      Phase    Contributors              
Reports LGRMs Lng T/O Taxi Dual T&G Wind Elect Hydr Mnx Pilot      
1703 770 713 15 14 49 24 52 18 2 4 6      
Percent of total LGRMs 92.6% 1.9% 1.8% 6.4% 3.1% 6.8% 2.3% 0.3% 0.5% 0.8%      
                           
45.2%   Percentage of all reported mishaps that were LGRMs            
43.4%   Percentage of LGRMs that were Gear Up reports              
48.1%   Percentage of LGRMs that were Gear Collapse reports            
8.6%   Percentage of LGRMs that were known Mechanical LGRMs          
(The sum of percentages may not precisely equal 100%)              
                           
$30,800,000.00 Estimated insurance claims cost (@industry US$40,000 per LGRM claim average, low end average)
$46,200,000.00 Estimated insurance claims cost (@industry US$60,000 per LGRM claim average, high end average)
                           
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